Contactor-based Automatic Transfer Switch (ATS) Technical Data

8/11/2019 Contactor-based Automatic Transfer Switch (ATS) Technical Data

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Contents

Description Pa

Automatic transfer switches . . . . . . . . . . . . . . .

Application description . . . . . . . . . . . . . . . . . . .

Transfer switch design . . . . . . . . . . . . . . . . . . . .

ATC-100 controller . . . . . . . . . . . . . . . . . . . . . . .

ATC-300 controller . . . . . . . . . . . . . . . . . . . . . . .

ATC-800 controller . . . . . . . . . . . . . . . . . . . . . . .

ATC controller selection guide. . . . . . . . . . . . . .

Transfer switchproduct selection . . . . . . . . . .Transfer switchstandard and optional features . . . . . . . . . . . . .

Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C o m m u n i c a t i o n s . . . . . . . . . . . . . . . . . . . . . . . . .

Effective August 2011

Supersedes July 2009Technical Data TD01602018E

Automatic transfer switch (ATS)

contactor-based


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Technical Data TD01602018EEffective August 2011

Automatic transfer switch (ATS)contactor-based

EATON CORPORATIONwww.eaton.com

Automatic transfer switches

Product description

Eatons automatic transfer switches are reliable, rugged, versatile,and compact assemblies for transferring essential loads andelectrical distribution systems from one power source to another.Eatons contactor-based transfer switch is rated 401200A and canbe supplied in separate enclosures for stand-alone applications or

can be supplied as an integral componentin the following equipment:

MagnumDS switchgear

Pow-R-Lineswitchboards

Motor control centers (MCCs)

Panelboards

For detailed information on the aforementioned equipment,please see Eatons 14th edition of the Consulting Application Guide.

ote:N For information on transfer switch panels, refer to Section 4 of theDistribution Products and Servicescatalog, Advanced Residential Products.

Application description

A transfer switch is a critical component of any emergency orstandby power system. When power is lost from Source 1 (normal),a transfer switch quickly and safely shifts the load circuit fromSource 1 to Source 2 (emergency). This permits critical loadsto continue running with minimal or no outage. After powerto Source 1 has been restored, the retransfer process returnsthe load circuit to Source 1.

Contactor-based transfer switches are available with differentoperational modes, including:

Non-automatic

Automatic

The power-switching operation of transfer switches may beseparated into the two (2) key categories of:

Open transitionbreak-before-make operation

Closed transitionmake-before-break operation

The three (3) basic components of a transfer switch are:

Power-switching device to shift the load circuits to and fromthe power source

Transfer logic controller to monitor the condition of thepower sources and provide the control signals to the power-switching device

Control power source to supply operational power to thecontroller and switching device

Typical applications

Eaton automatic transfer switches are designed to be operatedin a variety of applications requiring backup power. The most typicalapplications are shown below with a utility main source andgenerator backup source in Figure 1. Figure 2shows a generatornormal source and a generator backup source.

Utilitygenerator

Transfer switches are traditionally applied between a utility and agenerator set for emergency and standby power systems.

Figure 1. Standard Application UtilityGenerator

Generatorgenerator

Transfer switches are sometimes applied between two generatorsets for prime power use (often in remote installations). In suchapplications, source power is periodically alternated between thegenerator sets to equally share run time.

Figure 2. Standard Application GeneratorGenerator

ServiceDisconnect

Utility G

GeneratorBreaker

Load

ATS

G

Generator

Breaker

G

Generator

Breaker

Load

ATS


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Transfer switch design

Wallmount Transfer Switch

Product descriptionEatons wallmount transfer switches are designed for a variety ofstandby power applications for critical loads. They provide flexibility,reliability, and value in a compact package. In the event of a primarypower source interruption, a transfer switch provides an effectivemeans to transfer the load circuits to an alternate power sourcewhile reducing the possibility of injury or property damage.

Wallmount transfer switches meet or exceed all industry standardsfor endurance, reliability, and performance. They are listed underUnderwriters Laboratories UL 1008 Standard for transfer switchequipment and are optionally available as suitable for emergencyand standby systems as defined in NFPA 99 for health care facilities.

The ATC-300 automatic transfer switch is shown above.

Electrical ratings

Ampere range: 401200A

Two-position contactors 40, 80, 100, 150, 200, 225, 260,300, and 400A

401200A three-position contactors

Three-position contactors 600, 800, 1000, and 1200A

Two-, three-, or four-pole

Up to 600 Vac, 50/60 Hz

NEMA 4X

NEMA 1, 3R, 12, open

Suitable for emergency and standby systems (all loads)

UL 1008 listed

CSA C22.2 No. 178 certified

Industrial design highlights

Double-throw, mechanically interlocked transfer mechanism

High withstand and closing ratings

IBC 2006, CBC 2007

Standard features (with ATC-300 controller)

Auxiliary relay contacts:

Source 1 present 2NO and 2NC


Switch position indication contacts:

Source 1 position 1NO and 1NC


Source 1 and Source 2 sensing:

Undervoltage/underfrequency

Overvoltage/overfrequency

Three-phase rotation protection

Three-phase voltage unbalance/loss

Pretransfer signal contacts 1NO and 1NC

Go to emergency (Source 2)

Seven field-programmable time delays

LCD-based display for programming, system diagnostic, and helpmessage display

Mimic diagram with source available and connected LED indication

Time-stamped history log

System test pushbutton with lamp test

Programmable plant exerciserOFF, daily, 7-, 14-, 28-day intervalselectable run time 0600 minutes no load/load with fail-safe

Field-selectable multi-tap transformer panel permits operationon a wide range of system voltages

Optional features

Available TVSS for power/controller, engine start circuit,phone and cable connections

Space heater with thermostat

Metering

Steel cover for controller

Manual operation

The contactor-based automatic transfer switches can be manuallyoperated by utilizing a tool supplied with the switch. Always makesure the Source 1 power and Source 2 power are off before makingthe manual transfer.

40400A Contactor ATS

6001200A Contactor ATS


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Technical Data TD0160201Effective August 2



Basic Components of the 100400A ATS

Basic Components of the 6001200A ATS

NeutralConnection

TransferMechanism

Source 2 (emergency)Connections

Multi-TapTransformer

Source 1 (normal)Connections Controller

ATC-100 Controller(only up to 400A rating)

ATC-300 Controller

ATC-300 Controller

ATC-800 Controller

Load Connections

Controller

LoadConnections

NeutralConnection

Source 1 (normal)Connections

TransferMechanism

Source 2 (emergency)Connections

Muti-Tap Transformer withQuick Connect Plug


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Multi-tap voltage selector (quick connect)

Multi-Tap Voltage Selector

The industry-exclusive Eaton multi-tap system voltage selectorallows our transfer switch to be applied on most system voltagesjust by proper insertion of the selector plug. Available in two con-

figurations: worldwide multi-tap with 600, 480, 415, 380, 240, 220,and 208 Vac, single- and three-phase, 50 and 60 Hz taps; and North-American multi-tap with 600, 480, 240, 208, and 120 Vac, single- andthree-phase, 60 Hz taps.

The quick-connect multi-tap transformer is used on the6001200A ratings.

Ease of maintenance

Logic Disconnect Plugs

Keyed quick-disconnect plugs are provided for easy and completeisolation of the control circuitry.

Maintenance can be performed on the logic independent from thepower sections.

Multi-tap transformer

Transformer Panel Opened

The North American multi-tap transformer comes with 600, 480,240, 208, and 120 Vac, single- and three-phase, and 60 Hz taps thatare all field selectable. Simply remove the steel cover and move theappropriate blue flag terminal to the desired voltage. All switchesare shipped with the blue flag in the 600V position.

This multi-tap transformer is used on the ratings up to 400A.

Neutral switching

A fully rated fourth pole is provided when neutral switching isrequired. The neutral pole is the same design and constructionas the main power poles. The neutral contacts are mountedon a common shaft and operate simultaneously with the powercontacts. This type of construction eliminates the possibility ofinducing switching transients (that would result from the powerpoles and neutral pole closing at slightly different times) that couldaffect sensitive loads and cause nuisance tripping of circuit breakers.

Contact composition

Eaton utilizes silver composition contacts designed to meet thestringent requirements of UL 1008. All Eaton contactors aredesigned so that the contacts can be visually inspected withoutmajor disassembly and are protected by arcing contacts.

Controls and wiring

All control relays and industrial-grade relays are totally encapsulatedto minimize exposure to dust and dirt that can adversely affect logiccontrol functions.

All Eaton lugs are 90C rated

All control wire in the Eaton transfer switch is#16 AWG, type XLPE with a 125C temperature rating

Transformer PanelAllows for Easy FieldChanges to VoltageConfigurations


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Contactor construction

The Eaton open transition contactor transfer switch is available witha two-position or a three-position mechanism. The transfer switchwith a two-position mechanism will transfer in phase between twolive sources. The transfer switch with the three-position mechanismwill transfer using a time delay in the neutral position.

The mechanism used to operate the Eaton contactor is a moment-

arily energized solenoid, consisting of a stationary core and a movingcore that are magnetically driven by an electrical coil. Both contactortypes have two cross shafts, one for Source 1 (S1) contacts and onefor Source 2 (S2) contacts. The design is such that the mechanismis inherently interlocked so the device cannot be closed on Source 1and Source 2 at the same time under any circumstances. Whenswitching from Source 1 to Source 2 or Source 2 to Source 1,the mechanism will only allow a break-before-make operation(open transition). The mechanism can be operated both electricallyand mechanically.

The two-position contactor does not have a neutral position andis always closed on either S1 or S2. The two-position mechanismhas a single operating coil. The operation of the two-positionmechanism will provide an in-phase transfer. Microswitchesinitiated by the Source 1 and Source 2 cross-shaft movementprovide position indication.

The three-position contactor has three positions, including S1,neutral, and S2. When connected to the neutral, the contactor is notconnected to any source power. The contacts are operated by theuse of three solenoids: one main solenoid, one solenoid for sourceselect, and one for trip. The main solenoid provides the close actionfor the Source 1 or Source 2 contact. The select solenoid directs thecontactor to close either Source 1 or Source 2. The trip solenoid willtrip either Source 1 or Source 2 contacts.

Three-Pole Contactor

Three-Pole 1200A Contactor with Three-Position Mechanism

PositionIndicationSwitches

Two-PositionOperating

Mechanism

Source 1

Source 2

Main Solenoid (trip solenoid

and selector positionsolenoid not shown)

Source 1Termination

Arc Chutes

Source 2Termination

LoadTermination


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Table 4. Contactor-Based Automatic Transfer Switch Catalog Numbering System

AT C 3 C2 X 3 0400 X S U

Type

AT= Automatic

Orientation

C= Contactor

Logic

1= ATC-1003= ATC-3008= ATC-800

Mechanism

C2= Two-positionC3= Three-position

Amperes

0040= 40A0080= 80A0100= 100A0150= 150A0200= 200A0225= 225A0260= 260A0400= 400A0600= 600A0800= 800A1000= 1000A1200= 1200A

Voltage

A= 120V 60 HzB= 208V 60 HzE= 600V 60 HzG= 220V 50 HzH= 380V 50 HzK= 600V 50 HzM= 230V 50 HzO= 415V 50 HzW= 240V 60 HzX= 480V 60 HzZ= 365V 60 Hz

Number of Poles

2= Two-pole3= Three-pole4= Four-pole

Certification

U= UL listed

R= UL recognizedSwitch

X= Fix mount Enclosure

K= OpenS= NEMA 1J= NEMA 12R= NEMA 3R

ATC-100 applied only up to 400A.

Table 5. Contactor-Based Transfer Switch 401200ADimensions in Inches (mm) and Approximate Shipping in Lbs (kg)

Amperes

Enclosure Bolt Pattern Standard Terminals

A (Height) B (Width) C (Depth) G (Horizontal) H (Vertical)

Load Side,Normal andStandby Source

NeutralConnection Weight Lbs (kg)

40100 @ 480V 38.68 (982.5) 18.31 (465.1) 13.34 (338.8) 10.25 (260.4) 37.38 (949.5) (1) #142/0 (1) #141/0 164 (74)

40100 @ 600V 38.68 (982.5) 18.31 (465.1) 13.34 (338.8) 10.25 (260.4) 37.38 (949.5) (1) #142/0 (1) #141/0 164 (74)

150200 @ 480V 38.68 (982.5) 18.31 (465.1) 13.34 (338.8) 10.25 (260.4) 37.38 (949.5) (1) #6300 kcmil (3) 1/0250 kcmil 164 (74)

150200 @ 600V 48.74 (1238.0) 18.31 (465.1) 13.84 (351.5) 13.00 (330.2) 47.84 (1215.1) (1) #6300 kcmil (3) 1/0250 kcmil 260 (118)

225400 @ 480V 52.00 (1320.8) 19.81 (503.2) 16.75 (425.5) 13.00 (330.2) 47.84 (1215.1) (2) #3 /0250 kcmil (6) 250500 kcmil 250 (113)

2251200 @ 600V 79.41 (2017.0) 29.19 (741.4) 22.46 (570.5) N/A N/A (4) 1/0750 kcmil (12) 1/0750 kcmil 600 (272) three-pole650 (295) four-pole

6001200 @ 480V 79.41 (2017.0) 25.25 (641.4) three-pole29.19 (741.4) four-pole

22.46 (570.5) N/A N/A (4) 1/0750 kcmil (12) 1/0750 kcmil 600 (272)

Wallmount.

Two floorstandingheight dimension includes the bottom bracket.

Figure 3. Automatic, Non-Automatic up to 400AWallmountAutomatic, Non-Automatic 6001200A Floorstanding(Height A Includes Bottom Bracket)

B

G

A

H

C

Front View Side View

Top oflugs onpower panel

Table 6. UL 1008 Withstand and Close-On Ratings (kA)

UL 1008Ampere Rating

480V 600V

AnyBreaker

SpecificBreaker

AnyBreaker

SpecificBreaker

100, 200 10,000 30,000 10,000 22,000

260, 320, 400 30,000 50,000 30,000 42,000

600, 800, 1000,1200 50,000 65,000 50,000 65,000


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ATC-100 controller

ATC-100 Controller

Product description

The ATC-100 controller is a comprehensive, multifunctional,microprocessor-based ATS controller. It is a compact, self-contained,panel-mounted device that is designed to replace traditional relayand solid-state logic panels.


The ATC-100 controller provides both fixed and jumper-selectablesettings to allow for a range of applications. It operates from allsystem voltages between 120 and 480 Vac, single-phase andthree-phase, at 50 or 60 Hz. The ATC-100 controller monitors thecondition of the three-phase line-to-line voltage and the frequencyof both the utility and generator power sources. It can also be setup for single-phase operation. The ATC-100 controller provides thenecessary intelligence to ensure that the transfer switch operatesproperly through a series of selectable sensing and timing functions.

Figure 4. Rear View ATC-100 Controller

Features, benefits, and functions

Standard features







Source 1 sensing:


Overfrequency

Source 2 sensing:

Undervoltage/overfrequency

Controller settings via jumpers located at the rear of the unit

Mimic diagram with source available and connectedLED indication

System test pushbutton

Plant exerciserfixed run time 15 minutes Monitor utility and generator power source voltages and

generator power source frequency

Provides undervoltage protection of the utility and generatorpower sources

Provides underfrequency and overfrequency protection of thegenerator power source

Permits easy customer setup

Permits system testing

Provides faceplate source status indications

1 2 3 4 5 6 7 8 1 2

J4

J7

J2

J1

J5

Phase C

Phase B

Phase A

UtilityPhase C

Phase B

Phase A

Utility

Phase C

Phase B

Phase A

GeneratorPhase C

Phase B

Phase A

Generator

Utility

Utility

Generator

Control

Power

Generator

K1-(Com)

K1-(NO)

DC_

Output

GeneratorClosed

K2(Com)

K2-(NO)

EarthGround

GenStart-(Com)

GenStart-(NO)

Control Inputs

UtilityClosed

Control Outputs

3

GenStart-(NC)

Generator Start Contacts

Reset

120208220

230240380480

Voltage

DisableEnable

TDN

13

Phases

50 Hz60 Hz

Frequency

OffNo LoadLoad

Generator Test

7 day14 day28 day

ATC-100 (In-Phase)

Terminals 1, 2, 3


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Product specifications

Table 7. ATC-100 Controller Specifications

Description Specification

Input control voltage 95 to 145 Vac 50/60 Hz

Voltage measurements of Utility VAB

generator VAB

Utility VBC

generator VBC

Utility VCAgenerator VCAVoltage measurement range 0 to 575 Vac rms (50/60 Hz)

Voltage measurement accuracy 1% of full scale

Frequency measurements of Generator

Frequency measurement range 40 Hz to 70 Hz

Frequency measurement accuracy 0.3 Hz over the measurement range

Undervoltage dropout 80% of the nominal system voltage

Undervoltage pickup 90% of the nominal system voltage

Underfrequency dropout range 90% of the nominal system frequency

Underfrequency pickup range 95% of the nominal system frequency

Overfrequency dropout range 115% of the nominal system frequency

Overfrequency pickup range 110% of the nominal system frequency

Operating temperature range 20 to +70C (4 to +158F)

Storage temperature range 30 to +85C (22 to +185F)

Operating humidity 0 to 95% relative humidity (noncondensing)

Operating environment Resistant to ammonia, methane, nitrogen,hydrogen, and hydrocarbons

Generator start relay 5A, 1/6 hp @ 250 Vac5A @ 30 Vdc with a 150W maximum load

K1, K2 relays 10A, 13 hp @ 250 Vac10A @ 30 Vdc

Applicable testing UL-recognized componentUL 1008, UL 991 EnvironmentalIEC 61000-4-2, 61000-4-3, 61000-4-4, 61000-4-5,61000-4-6, 61000-4-11CISPR 11, Class BFCC Part 15, Class B

Enclosure compatibility NEMA 1, NEMA 3R, and NEMA 12UV-resistant ATC-100 faceplate

Table 8. Controller Settings

Description RangeFactoryDefault Fixed/Jumper

Time delay engine start 3 seconds 3 seconds Fixed setting

Time delay normal

to emergency

2 or 15 seconds 15 seconds Jumper selectable

Time delay emergencyto normal

5 minutes 5 minutes Fixed setting

Time delay engine cool off 5 minutes 5 minutes Fixed setting

Time delay emergencyfail timer

6 seconds 6 seconds Fixed setting

Nominal frequency 50 or 60 Hz As ordered Jumper selectable

Nominal voltage 120, 208, 220, 230,240, 380, 415, or 480

As ordered Jumper selectable

Three-phase orsingle-phase

1 or 3 As ordered Jumper selectable

Utility undervoltagedropout

80% of nominalvoltage


Fixed setting

Generator undervoltagedropout



Fixed setting

Utility undervoltagepickup



Fixed setting

Generator undervoltagepickup



Fixed setting

Generator underfrequencydropout

90% of nominalfrequency


Fixed setting

Generator underfrequencypickup



Fixed setting

Generator overfrequencydropout

Off or 115% of nomi-nal frequency


Jumper selectable

Generator overfrequencypickup

Off or 110% of nomi-nal frequency


Jumper selectable

Generator test on/off Off, no load transfer,load transfer

Off Jumper selectable

Generator test interval 7-, 14-, or 28-day 7-day Jumper selectable

Engine run test time 15 minutes 15 minutes Fixed setting

Sync time 10 minutes 10 minutes Fixed setting

Time delay emergencyfail timer

6 seconds 6 seconds Fixed setting

Time delay neutral Disabled (0 seconds)or Enable (2 seconds)

Enable (2 seconds)Disabled(for 2 position)

Jumperselectable


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ATC-300 controller

ATC-300 Controller

Product description

Transfer switches equipped with the high-performance ATC-300digital transfer controller receive rock-solid monitoring, statusreporting, and transfer control operation. The superior design androbust construction make the ATC-300 the industry benchmark forcritical and distributed power systems.

Application descriptionEatons contactor-based automatic transfer switch is designedto provide unmatched performance, reliability, and versatility forcritical standby power applications.


Standard features







Source 1 and Source 2 sensing:


Overvoltage/overfrequency

Three-phase rotation protection

Three-phase voltage unbalance/loss

Pretransfer signal contacts 1NO and 1NC

Go to emergency (Source 2)

Seven field-programmable time delays

LCD-based display for programming, system diagnostic,

and help message display Mimic diagram with source available and connected

LED indication

Time-stamped history log

System test pushbutton

Programmable plant exerciseOFF, daily, 7-, 14-, 28-day intervaselectable run time 0600 minutes no load/load with fail-safe

Source 2 inhibit/load shed contacts

Optional features

Available transient voltage surge suppressors (TVSS) for power/controller, engine start circuit, phone, and cable connections

Field-selectable multi-tap transformer panel permits operation

on a wide range of system voltages Integral overcurrent protection

Space heater with thermostat

Metering

Stainless steel cover for controller

Modbus 485

Manual retransfer


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Product specifications

Table 9. ATC-300 Controller Specifications

Description Specification

Input control voltage 65 to 145 Vac 50/60 Hz

Voltage measurements of Source 1 VAB

Source 1 VBC

Source 1 VCA

Source 2 VAB

Source 2 VBC

Source 2 VCAVoltage measurement range 0 to 790 Vac rms (50/60 Hz)

Voltage measurement accuracy 2% of nominal input voltage

Frequency measurement for Source 1 and Source 2

Frequency measurement range 40 Hz to 70 Hz

Frequency measurement accuracy 0.1 Hz

Undervoltage dropout range 50% to 90% of nominal voltage

Undervoltage pickup range (Dropout +2%) to 99% of the nominalsystem voltage

Overvoltage dropout range 105% to 120% of nominal voltage

Overfrequency pickup range 101% to (dropout 1 Hz) of the nominalsystem frequency

Underfrequency dropout range 90 to 97% of the nominal system frequency

Underfrequency pickup range (Dropout +1 Hz) to 99% of the nominal

system frequencyOverfrequency dropout range 103 to 110% of the nominal system frequency

Overfrequency pickup range 101% to (dropout 1 Hz) of the nominalsystem frequency

Operating temperature range 20 to +70C (4 to +158F)

Storage temperature range 30 to +85C (22 to +185F)

Operating humidity 0 to 95% relative humidity (noncondensing)

Operating environment Resistant to ammonia, methane, nitrogen,hydrogen, and hydrocarbons

Generator start relay 5A, 1/6 hp @ 250 Vac/5A @ 30 Vdcwith a 150W maximum load

K1, K2, pretransfer, alarm relays 10A, 13 hp @ 250 Vac/10A @ 30 Vdc

Applicable testing UL-recognized componentMeets intent of UL 991, 1008Meets IEC 1000-4-2, 1000-4-3, 1000-4-4,

1000-4-5, 1000-4-6, 1000-4-11Meets CISPR 11, Class AComplies with FCC Part 15, Class A

Enclosure compatibility NEMA 1, NEMA 3R, and NEMA 12UV-resistant ATC-300 faceplate

Table 10. Programming Selections

Parameters Set Points

TDNE 0 to 1800 seconds

TDEN 0 to 1800 seconds

TDEC 0 to 1800 seconds

TDES 0 to 120 seconds

TDN 0 to 120 seconds

TDEF 0 to 6 seconds

In-phase Enabled or disabled

In-phase frequency difference 0.0 to 3.0 Hz

Sync time 1 to 60 minutes

Pretransfer signal service 0 to 120 seconds

Plant exerciser Disabled, 7-, 14-, or 28-day interval,0600 minutes, load or no load

Sensing Three-phase or single-phase

System selection Utilityutility or utilitygenerator

Engine test mode Disabled, load or no load


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Table 11. Programmable Features/Settings ATC-300

Set Point Set Point Units Description Range Factory Defaul

New password Four digits Set new password 0000 to 9999 0300

TDES Minutes: seconds Time delay engine start 0 to 120 seconds 0:03

TDNE Minutes: seconds Time delay normal to emergency 0 to 1800 seconds 0:00

TDEN Minutes: seconds Time delay emergency to normal 0 to 1800 seconds 5:00

TDEC Minutes: seconds Time delay engine cool off 0 to 1800 seconds 5:00

NOM FREQ Hertz Nominal frequency 50 or 60 Hz As ordered

NOM VOLTS Volts Nominal voltage 120 to 600 volts As ordered

S1 UV DROP Volts Source 1 undervoltage dropout range:contactor-style ATS (two-position)

78 to 97% of nominal system voltage 85%

S2 UV DROP Volts Source 2 undervoltage dropout range:contactor-style ATS (two-position)


S1 UV PICK Volts Source 1 undervoltage pickup range:contactor-style ATS (two-position)

(Dropout +2%) to 99% of nominal system voltage 90%

S2 UV PICK Volts Source 2 undervoltage pickup range:contactor-style ATS (two-position)

(Dropout +2%) to 99% of nominal system voltage 90%

S1 OV DROP Volts Source 1 overvoltage dropout range:contactor-style ATS (two-position)


S2 OV DROP Volts Source 2 overvoltage dropout range:contactor-style ATS (two-position)


S1 OV PICK Volts Source 1 overvoltage pickup range:contactor-style ATS (two-position) 103% to (dropout 2%) of nominal system voltage 105%

S2 OV PICK Volts Source 2 overvoltage dropout range:contactor-style ATS (two-position)

103% to (dropout 2%) of nominal system voltage 105%

S1 UF DROP Hertz Source 1 underfrequency dropout range:contactor-style ATS (two-position)


S2 UF DROP Hertz Source 2 underfrequency dropout range:contactor-style ATS (two-position)


S1 UF PICK Hertz Source 1 underfrequency pickup range:contactor-style ATS (two-position)

(Dropout +1 Hz) to 99% of nominal system voltage 95%

S2 UF PICK Hertz Source 2 underfrequency pickup range:contactor-style ATS (two-position)

(Dropout +1 Hz) to 99% of nominal system voltage 95%

S1 OF DROP Hertz Source 1 overfrequency dropout range:contactor-style ATS (two-position)

103 to 105% of nominal system frequency 105%

S2 OF DROP Hertz Source 2 overfrequency dropout range:contactor-style ATS (two-position)

103 to 105% of nominal system frequency 105%

S1 OF PICK Hertz Source 1 overfrequency pickup range:contactor-style ATS (two-position)

101% to (dropout 1 Hz) of nominal system frequency 102%

S2 OF PICK Hertz Source 2 overfrequency pickup range:contactor-style ATS (two-position)

101% to (dropout 1 Hz) of nominal system frequency 102%

PLANT EXER Days Plant exerciser programming Off, daily, 7-day, 14-day, or 28-day OFF

PE LOAD XFR Plant exerciser load transfer 0 or 1 (1 = yes) 0

PE DAY Days Plant exerciser day of the week 1 Sun, 2 Mon, 3 Tues, 4 Wed, 5 Thu, 6 Fri, or 7 Sat

PE HOUR Hours Plant exerciser hour 0 to 23 0

PE MINUTE Minutes Plant exerciser minute 0 to 59 0

TEST MODE Test mode 0, 1, or 2 (2 = no load engine test,1 = load engine test, 2 = disabled)

0

TER Hours: minutes Engine run test time 0 min to 600 min 5:00

TPRE Minutes: seconds Pretransfer delay timer 0 sec to 120 sec 0:00

PHASES Three-phase or single-phase 1 or 3 As ordered

VOLT UNBAL Volts Volts unbalanced 0 or 1 (1 = enabled) 1

UNBAL DROP % Percent Percent for unbalanced voltage dropout 5 to 20% of phase-to-phase voltage unbalance 20%

UNBAL PICK % Percent Percent for unbalanced voltage pickup Dropout minus (UNBAL DROP % 2) to 3% 10%

UNBAL DELAY Seconds Unbalanced delay timer 10 to 30 0:20

TDEF Seconds Time delay emergency fail timer 0 sec to 6 sec 6

IP FREQ DIFF Hertz In-phase transition frequency difference 0.0 Hz to 3.0 Hz 1

SYNC TIME Minutes In-phase transition synchronization timer 1 min to 60 min 5

PHASE REV Phase reversal OFF, ABC, CBA OFF

DST ADJUST Daylight savings 0 or 1 (1 = enabled) 1

LANGUAGE Selected language English, French, or Spanish English


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Table 11. Programmable Features/Settings ATC-300 (continued)

Set Point Set Point Units Description Range Factory Default

CHANGE TIME/DATE?HoursMinutesWeekdayMonthDay

Year

Set hourSet minuteSet weekdaySet monthSet day

Set year

0 to 230 to 59Sun, Mon, Tues, Wed, Thu, Fri, or SatJan or 011 to 31

Current Year

Eastern Standard TimeEastern Standard TimeEastern Standard TimeEastern Standard TimeEastern Standard Time

Eastern Standard TimeRESET SYSTEMCOUNTERS?

Yes or no No

RESET ALL? Resets all system counters Yes or no No

RESET ENGINE RUN? Hours Resets ENGINE RUN counter 0 to 9999 XXXX

RESET S1 CONN Hours Resets S1 CONN counter 0 to 9999 XXXX

RESET S2 CONN Hours Resets S2 CONN counter 0 to 9999 XXXX

RESET S1 AVAIL Hours Resets S1 AVAIL counter 0 to 9999 XXXX

RESET S2 AVAIL Hours Resets S2 AVAIL counter 0 to 9999 XXXX

RESET LOAD ENERG Hours Resets LOAD ENERG counter 0 to 9999 XXXX

RESET TRANSFERS Hours Resets TRANSFERS counter 0 to 9999 XXXX

SAVE SETPOINTS Save changed set points Yes or no Yes


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ATC-800 controller

Open transition controller

ATC-800

Product description

The ATC-800 is a programmable, microprocessor-based monitoringdevice for use on Eaton transfer switches. Data access and program-ming operations are performed using the ATC-800s touch-sensitivefunction buttons in conjunction with an easy-to-read, illuminated

alphanumeric LED display. Both the function buttons and the displaywindow are part of the devices door-mounted front panel. A built-inHelp button provides user assistance in the form of messagedisplays. The ATC-800 is communications ready and compatiblewith all Eaton IQ devices, as well as the Eaton PowerNetsystem-wide supervisory and control software. This permits monitoringand control of several transfer switches, locally or remotely,from a single point.


The ATC-800 provides the operator with a vast array of selections.Depending on the application, the user can customize theATC-800 to meet the particular application. A summary of severalkey selections is listed in Table 12. (Table 12programming setpoints include * for any Closed Trans options or features.)

The ATC-800 is equipped to display history information eithervia the front panel or over PowerNet. Source 1 and Source 2 runtime, available time, and connect time are available, as well as loadenergized time, number of transfers, and the date, time, and reasonfor the last 16 transfers.

For communications capability, the ATC-800 can be equipped witha PONI card that will allow the user to communicate with the unitvia Series III software. All settings for purchased options can beset from the faceplate of the unit or downloaded over PowerNet.Series III software allows for charting of key historical data, as wellas providing the capability to monitor and control the transfer switchfrom a remote location.

For further information on PowerNet products and software,see Section 25 of Eatons 14th edition of the Consulting

Application Guide.


True rms three-phase voltage sensing on Source 1, Source 2,and load

Frequency sensing on Source 1 and Source 2

Preferred source selection

Programmable set points stored in nonvolatile memory

PowerNet communication to personal computer either on siteor remote

Historical data on most recent transfers (up to 16 events)viewable at switch. Unlimited history storage (remote) availablewhen used with PowerNet software

Wide range of user-selectable option combinations

Load sequencing (optional)

Engine start contacts (2 sets)

Engine test switch with user-selectable test mode and fail-safe

Alarm contact (multiple alarm functions available)

Pretransfer signal (optional)

Heartbeat monitor (flashing green automatic light signifies that

the ATC-800 is operating properly) Instrumentation:

Voltmeter (accuracy 1%)

Reads line-to-line on Sources 1 and 2, and load

Frequency meter (4080 Hz, accuracy 0.1 Hz)

Source available time (both sources)

Source connected time (both sources)

ATC-800 programming

Button functions

Three buttons provide easy access to all commonly used ATC-800functions. When the preferred source is connected and the ATS isoperating normally, the automatic indicator light will be flashing an

the display window will be blank.

Using the Display Select button, the operator can step through eaof the six display families:

Source 1

Source 2

Load

History

Time/Date

Set Points

ote:N Stepping through the various display modes does not alter presetvalues or otherwise affect operation of the ATS. Once the desired displayfamily is selected, the user may press the Step button to cycle throughspecific parameters or metered values shown in the display window.

Once the desired display family is selected, the user may press thStep button to cycle through specific parameters or metered valueshown in the display window.


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Initial programming

Factory programming will load all standard features and customer-specified options per our default settings as shown in Table 12.

Customer programming

Customers may reprogram set points and other parameters tomatch their application, using the Program switch located on the

rear of the unit. Once the programming mode has been activatedand the Program light is flashing, the user may access Set Pointsettings by pressing the Display Select button until the Set PointsLED is illuminated. Values for individual set points may thenbe altered by pressing the Increase or Decrease buttons. Oncea parameter has been reset, the user advances to the next setpoint by pressing the Step button.

While the ATC-800 is in the Program mode, the device continuesto operate in accordance with the previously programmed setpoints and parameters. The unit is never offline, and preset valuesdo not change until programming has been completed.

Once reprogramming is complete, the user may return theProgram switch to the Run position. At this point, all new valuesare stored in the ATC-800 nonvolatile memory, and the unitreturns to Automatic mode.

Source 1, Source 2, and LoadColored LED lights show statusof both sources and load.

LED DisplayUnit will provide LED readout showingactual metered values for voltage,frequency, and condition (includingnormal, undervoltage, overvoltage, etc.)

Time/DateDisplays real-time clock. Clock canbe easily set in this mode using theIncrease and Decrease buttons.

Engine Test ButtonPressing this button twice initiatesan engine test.

TestIndicator light is on whenunit is in test mode.

AutomaticLED indicates that the ATS is operatingnormally and is in the automatic mode.

ProgramLED indicates unit is in programmingmode. (Note: This mode is activated usingthe program switch located on the rear ofthe unit.)

HistoryBy pressing the Display Select button tolight the history LED and the Step buttonto rotate through available data, historical,or cumulative values for available time (bothsources), connected time (both sources),number of transfers, and date/time reasonfor last 16 transfers are displayed.

HelpPressing the Help button in any functionmode will bring up display messages,explanations, and prompts to assistthe operator.

Set PointsSelecting this LED permits the user todisplay existing programmed values.

Increase/DecreaseA detailed explanation of these buttonscan be found in the Operation section.

Step ButtonShows multiplevariables undereach displayselect function.

Display Select Source 1 Source 2 Load History

Time/Date Set PointsButton is discussed inoperation section.

ATC-800 Controller Front Panel Display and Button Functions


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ATC-800 open transition controller definitions

Open transition/in-phase monitor:In-phase monitor is a featurethat will allow a transfer between two sources only when thephase difference between the two sources is near zero. This isan open transition transfer that prevents in-rush currents fromexceeding normal starting currents in the case where motor loadsare being transferred.

Open transition/delayed with load voltage decay: Load voltagedecay transfer is a feature that, after opening the switch for theoriginal source, holds in the neutral position until the voltage onthe load is less than 30% of rated voltage. This is an open transitionthat prevents in-rush currents from exceeding normal startingcurrents in the case where motor loads are being transferred.

Operation

The Eaton ATC-800 transfer operates in the following modesto meet most load-management applications:

Loss of normal power

Open transition to alternate source

Normal power restored

Open transition back to normal source

Test (user selectable)

Load transferopen transition to and from alternate source

No-load transferstarts alternate power source and allowsto run unloaded; no transfer takes place

Table 12. Programmable Features/Settings ATC-800

ProgrammableFeatureDisplay

DisplayExplanation

Set PointRange

FactoryDefaultValue

TDES Time delay enginestart timer

0 to 120 seconds 0.03

TDNE Time delay normalto emergency timer


TDEN Time delay emergency

to normal timer


TDEC Time delay enginecool down timer


NOMF System nominalfrequency (hertz)

50 or 60 Hz3 60

NOMV System nominalvoltage (volts)

120 to 600V3 120

TDN Time delayneutral timer


TDNLD Time delay neutralload decay

0Disabled1Enabled

1

LDCY Load decay voltage 2 to 30% of nominalvoltage

30

PRF SRC Preferred source None1Source 12Source 2

1

EXER Plant exerciserenabled or disabled

1Enabled0Disabled

1

EXLD Load transfer withplant exerciser

1Enabled0Disabled

1

PEDAY Plant exerciserday of week

1 to 7(1Sunday)

1

PEH Plant exerciser hour 1 a.m. to 11 p.m. 1 a.m.

PREMIN Plant exercise minute 0 to 59 minutes 0

MANTR Retransfer mode 0Automatic1PB return

0

Table 12. Programmable Features/Settings ATC-800 (continue

ProgrammableFeatureDisplay

DisplayExplanation

Set PointRange

FactoryDefault Va

CTDNE Commitment to transferin TDNE

0Not committed1Committed

0

TMODE Engine test with/with-out load transfer

0No load transfer1Load transfer

2Disable test pushbutton

1

TER Engine test/plantexerciser run time

0 to 600 minutes 0.30

TPRE Pretransfer subnetworktime delay


GENNO Number of generators(single generator mustbe on Source 2)

0 to 2 1

PHASE Number ofsystem phases

1 or 33 3

TSEQ Time delay loadsequencing


PT PT ratio 2:1 to 500:1 2.1

CLOSED Close transitionenabled or disabled

1Enabled0Disabled

1

CTFD Close transitionfrequency difference(hertz)

0.0 to 0.3 Hz 0.3

CTVD Close transition voltagedifference (volts)

1 to 5% 6

IPHASE In-phase transitionenabled or disabled

1Enabled0Disabled

0

IPFD In-phase transitionfrequency difference(hertz)

0.03 to 3.0 Hz 1.0

SYNC Closed/in-phasetransition synchroniza-tion timer

1 to 60 minutes 5

TDEF Time delay enginefailure

0 to 60 seconds 6


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ATC controller selection guide

Table 13. ATC Controller Feature Selection Chart

Feature Description ATC-100 ATC-300 ATC-800

Transition

Open transition Standard Standard Standard

Closed transition Not available Not available Standard

Timers

Time delay normal to emergency (TDNE) Standard Standard Standard

Time delay engine start (TDES) Standard Standard Standard

Time delay emergency to normal (TDEN) Standard Standard Standard

Time delay engine cool down (TDEC) Standard Standard Standard

Time delay emergency fail (TDEF) Standard Standard Standard

Engine/Generator Exerciser

Plant exerciser (PE) with fail-safe Selectableoff, 7-, 14-, 28-day intervalfixed run time of 15 minutes no load/loadwith fail-safe

Programmabledisabled, daily, 7-, 14-,28-day interval selectable run time 0600minutes no load/load with fail-safe

Programmabledisabled, daily, 7-dayinterval selectable run time 0600 min-utes no load/load with fail-safe

Source 1 Sensing

All-phase undervoltage and underfrequency protec-tion

Standard Standard Standard

All-phase overvoltage and overfrequency protection Standard Standard Standard

Three-phase rotation sensing Not available Standard Optional

Three-phase voltage unbalance/loss Not available Standard Not available

Source 2 Sensing

All-phase undervoltage and underfrequency protec-tion

Standard Standard Standard

All-phase overvoltage and overfrequency protection Standard Standard Standard

Three-phase rotation sensing Not available Standard Optional

Three-phase voltage unbalance/loss Not available Standard Not available

Manual Controls

Test operators Standard Standard StandardFour-position test selector switch (FPSS) Not available Not available Optional

Time delay bypass pushbutton Standard Standard Standard

Maintenance selector switch (MSS) Not available Optional Optional

Automatic/manual operation selector switch Not available Optional Optional

Automatic transfer or automatic transferWith non-automatic retransfer operation

Not available Not available Optional

Indications and Status Display

Source 1 connected/Source 2 connected Standard Standard Standard

Source 1 present/Source 2 present Standard Standard Standard

Source 1 tripped/Source 2 tripped Standard Standard Standard

Customer Outputs

Source 1/Source 2 present contacts Standard 2NO and 2NC Standard 2NO and 2NC Standard 2NO and 2NC

Source 1/Source 2 present contacts Standard 2NO and 2NC Standard 2NO and 2NC Standard 2NO and 2NC

Source 1 available/Source 2 available contacts Standard 2NO and 2NC Standard 2NO and 2NC Standard 2NO and 2NC

Switch Position Indication Contact

Source 1 position indication contact 1NO and 1NC 1NO and 1NC 1NO and 1NC

Source 1 position indication contact 1NO and 1NC 1NO and 1NC 1NO and 1NC

Pretransfer signal contacts 1NO and 1NC Standard 1NO and 1NC Optional 1NO and 1NC


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Table 13. ATC Controller Feature Selection Chart (continued)

Feature Description ATC-100 ATC-300 ATC-800

Customer Inputs

Go to emergency (Source 2) Not available Standard StandardLoad shed Not available Not available Optional

Switch Position Indication Contact

Source 1 position indication contact Not available 1NO and 1NC 1NO and 1NC

Source 1 position indication contact Not available 1NO and 1NC 1NO and 1NC

Pretransfer signal contacts Not available Standard 1NO and 1NC Standard 1NO and 1NC

Integral Overcurrent Protection

Source 1, Source 2, or both Not available Not available Not available

Metering

DP-4000 monitoring voltage, amps, frequency, powerfactor, harmonic distortion on Source 1 and Source 2

Not available Optional Optional

IQ Analyzer monitoring voltage, amps, frequency,power factor, harmonic distortion on Source 1 andSource 2 with waveform capture

Not available Optional Optional

Ammeterload side (digital, all phases metered) Not available Optional OptionalRear bus connections Not available Optional Optional

Optional terminals Not available Optional Optional

Transfer Mode Open Transition

Time delay neutral Not available Optional Optional

In-phase monitoring Standard Optional Optional

Load voltage decay Not available Optional Optional

Service Entrance Rating

Source 1, Source 2, or both, and with and withoutground fault protection

Not available on contactor-based design Not available on contactor-based design Not available on contactor-based desig

Steel Cover

Lockable cover for controller Not available Optional Optional

Space Heater With Thermostat

100 watts Optional Optional Optional

Building Codes

IBC 2006, CBC 2007 Standard Standard Standard

Communications Not available Not available Optional

Surge Protection

Single-phase Optional Optional Optional

Three-phase Optional Optional Optional


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Table 14. ATC Controller Features and Set Points

Specification Description ATC-100

FactoryDefaultSettings ATC-300


FactoryDefaultSettings

Programming Selections

Time delay normal to emergency 3 seconds (fixed) 01800 seconds 0:00 01800 seconds 0:00Time delay emergency to normal 7 minutes (fixed) 01800 seconds 5:00 01800 seconds 5:00

Time delay engine cool down 5 minutes (fixed) 01800 seconds 5:00 01800 seconds 5:00

Time delay engine start 10 seconds (fixed) 0120 seconds 0:03 0120 seconds 0:03

Time delay neutral N/A 0120 seconds 0:00 0120 seconds or basedon load voltage decay of2%30% of nominal

0:00

Time delay Source 2 fail N/A 06 seconds 0:06 06 seconds 0:06

Time delay voltage unbalance N/A 1030 seconds 20 N/A

Voltage unbalance three-phase N/A 0 or 1 (1 = enabled) 1

% of unbalanced voltage dropout N/A 5% to 20% (DO) dropout2% to 3% (PU)

20% N/A

Phase reversal three-phase N/A Off, ABC, CBA Off N/A

In-phase N/A 0 or 1 (1 = enabled) 0 Enabled or disabled 0

Load sequencing N/A N/A Up to 10 devices(via subnetwork)

Pretransfer signal N/A 1120 seconds(Form C contact)

0:00 020 seconds 0:00

Plant exerciser Selectable day, off, 7, 14,28-day interval, 15 minutesrun time, no load

Off Selectableoff, daily or7-, 14-, 28-day intervals,0600 minutes, load or no load

Off Selectabledisabled or 7-dayinterval, 0600 minutes, loador no load

Off

Preferred source selection N/A N/A Source 1 or 2 or none

Commitment to transfer in TDNE N/A N/A Enabled or disabled

Retransfer mode N/A N/A Automatic or manual

Auto daylight savings time adjustment N/A 0 or 1(1 = enabled)

1 1

System selection Utility/generator or dual utility Utility/generator or dual utility Utility/generator or dual utilityor dual generator

Password protection Not available Standard Programming switch

Additional information PA01600002E TD01602006E TD.15A.05.T.E.

ote:N Features are order specific. Not all features are supplied as standard.


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Table 14. ATC Controller Features and Set Points (continued)

Specification Description ATC-100



FactoryDefaulSetting

Voltage Specifications

System application voltage 120/240V, 208V Up to 600 Vac 600 Vac Up to 600 Vac 600 VacVoltage measurements of Source 1 and 2 Source 1 and 2

VAB

, VBC

, and VCA

Source 1, 2 and loadV

AB, V

BC, and V

CA

Voltage measurement range 120480 Vac 0790 Vac Rms 0790 Vac Rms

Operating power 95145 Vac 65145 Vac 65145 Vac

Frequency Specifications

Frequency measurements of Source 2 Source 1 and 2 Source 1 and 2

Frequency measurement range 5060 Hz 4070 Hz 4070 Hz

Environmental Specifications

Operating temperature range 20 to +70C 20 to +70C 20 to +70C

Storage temperature range 30 to +85C 30 to +85C 30 to +85C

Operating humidity 0 to 95% relative humidity(noncondensing)

0 to 95% relative humidity(noncondensing)

0 to 95% relative humidity(noncondensing)

Operating environment Resistant to ammonia,

methane, nitrogen, hydrogen,and hydrocarbons

Resistant to ammonia,


Resistant to ammonia,


Front Panel Indication

Mimic diagram with LED indicat ion Unit status. Source 1 and 2available and connected(5 total)

Unit status. Source 1 and 2available and connected(5 total)

Automatic, test and programmode. Source 1 and 2 avail-able, connected and preferredload energized (10 total)

Main display N/A LCD-based display LED display

Display language N/A English, French English English English

Communications capable N/A N/A PONI/INCOM

Enclosure compatibility NEMA 1 and 3R NEMA 1, 12, and 3R,UV-resistant faceplate

NEMA 1, 12, 3R, and 4XUV-resistant faceplate

Operating environmental range Operation 20C to +70C,storage 30C to +85C,humidity 0% to 95% relative

(noncondensing)

Operation 20C to +70C,storage 30C to +85C,humidity 0% to 95% relative

(noncondensing)

Operation 20C to +70C,storage 30C to +85C,humidity 0% to 95% relative

(noncondensing)

Single-phase.

Transfer on customer input.

As ordered.

ote:N Features are order specific. Not all features are supplied as standard.


22/3222




Transfer switchproduct selection

Table 15. Automatic Transfer Switch Features

Feature Number

Contactor-Based Design

Open Transition

ATC1 ATC3 ATCI

Contactor Switch

ATC-100 Controller40600A Only Contactor SwitchATC-300 Controller

Contactor Switch

ATC-800 ControllerOpen Transition

Timers

11a

Time delay normal to emergency (TDNE) fixed 2 seconds or 15 seconds S

Adjustable 01800 seconds S S

2 Time delay engine start (TDES) fixed 3 seconds S


3 Time delay emergency to normal (TDEN) fixed 1 minutes S


4 Time delay engine cooldown (TDEC) fixed 5 minutes S


5 Source 2 (Emergency) Sensing

5H Phase reversal S S

5J All-phase undervoltage/underfrequency S S S

5K All-phase overvoltage/overfrequency S S S

5L All-phase voltage unbalance and phase loss S

5N All-phase overfrequency S

6 System or Engine Test

6B System test pushbutton S S S

6D Maintained two-position test switch

6H Maintained four-position test switch O

7 Time delay emergency fail (TDEF) fixed 6 seconds S

7a Time delay emergency fail (TDEF) adjustable 06 seconds S S

8 Pushbutton Bypass

8C Bypass TDEN S S

8D Bypass TDNE S S

9 Maintenance Selector Switch

9B Electrical operator isolator switch O O

10 Preferred Source Selector

10B Utility to utility or utility to generator O

10D Generator to generator O

Indicating Lights

12C Normal (S1) source connected S S S

12D Emergency (S2) source connected S S S

12G Normal (S1) source available S S S

12H Emergency (S2) source available S S S

ote:N S = Standard, O = Optional


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Table 15. Automatic Transfer Switch Features (continued)

Feature Number


Open Transition

ATC1 ATC3 ATCI

Contactor SwitchATC-100 Controller40600A Only

Contactor SwitchATC-300 Controller

Contactor SwitchATC-800 ControllerOpen Transition

14 Auxiliary Relay Contacts

14C Normal (S1) source available 4 form C

14D Emergency (S2) source available 4 form C

14E Normal (S1) source available 1 form C

14F Emergency (S2) source available 1 form C

14G Normal (S1) source available 2 form C S S S

14H Emergency (S2) source available 2 form C S S S

15 Position Contacts

15E Normal (S1) source position 1 form C S S S

15F Emergency (S2) source position 1 form C S S S

18 Metering

18O IQ Analyzer normal (S1) O O O

18P IQ Analyzer emergency (S2) O O O

18Q IQ Analyzer switch selectable (S1) and (S2) O O O

18V IQ Analyzer load side O O O

18R IQ DP4000 normal (S1) O O O

18S IQ DP4000 emergency (S2) O O O

18T IQ DP4000 switch selectable (S1) and (S2) O O O

18U IQ DP4000 load side O O O

18E PX4000 normal (S1) O O O

18F PX4000 emergency (S2) O O O

18G PX4000 switch selectable (S1) and (S2) O O O

18H PX4000 load side O O O

18W Load side ammeter O O O

21A Nonstandard Terminals

23 Plant Exerciser

23A Selectabledisabled/7-, 14-, 28-day interval, fixed 15 minutes,load/no load, with fail-safe

S

23J Selectabledisabled/7-day interval, 0600 minutes, load/no load,with fail-safe

S

23K Selectabledisabled/7-, 14-, 28-day interval, 0600 minutes, load/noload, with fail-safe

S



24/3224





Feature Number


Open Transition

ATC1 ATC3 ATCI




26 Source 1 (Normal) Sensing

26D Go to emergency (S2) input S S

26H Phase reversal protection S O

26J All-phase undervoltage/underfrequency S S

26K All-phase overvoltage/overfrequency S S

26L Three-phase voltage unbalance/phase loss S

26M Allows operation with generator with utility sensing(option available only through a field-installed kit)

O

26P All-phase undervoltage S

29 Alternative Transfer Modes of Operation

29G Selector switch for automatic or non-automatic operation(switch must be labeled as non-automatic)

O O

29J Automatic transfer operation with selectable (via programming)automatic or non-automatic retransfer operation with fail-safe

O

32 Delayed Transfer Operation Modes

32A Time delay neutral adjustable 0120 seconds S S

32F In-phase monitor (available on two-position contactors only) S S S

32G Time delay neutral fixed 0 or 2 seconds S

35A Pretransfer Sig-l Contacts 1 Form C S O

36 Load Shed From Emergency S S

38 Steel Device Covers

38A SS cover for device plate or service equipment disconnect O O

38B Steel cover for controller O O O

Time delay neutral is available only with three-position mechanisms.

Service entrance rated transfer switches are provided with a breaker-based design.



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Feature Number


Open Transition

ATC1 ATC3 ATCI




41Space Heater With Thermostat

41A 100 watts O O O

42 Seismic Zone 4 Certified, CBC, IBC, UBC, BOCA S S S

45 Load-Sequencing Contacts

45A Load-sequencing contacts (1) O

45B Load-sequencing contacts (2) O

45C Load-sequencing contacts (3) O

45D Load-sequencing contacts (4) O

45E Load-sequencing contacts (5) O

45F Load-sequencing contacts (6) O

45G Load-sequencing contacts (7) O

45H Load-sequencing contacts (8) O

45I Load-sequencing contacts (9) O

45J Load-sequencing contacts (10) O48 Communications

48A IPONI module (INCOM communications) O

48D Ethernet communication 10Base-T only IPONI/EMINT O

48F MPONI module (Modbus) O O

51 Transient Voltage Surge Protection (Listed Rating is per Phase)

51D1 50 kAclipper device connected to Source 1 O O

51E1 80 kAclipper device connected to Source 1 O O

51F1 100 kAclipper device connected to Source 1 O O

51G1 50 kACHSP device connected to Source 1(240/120 Vac single-phase only)

O O

51H1 75 kACHSP device connected to Source 1(240/120 Vac single-phase only)

O O



26/3226




Transfer switchstandard and optionalfeatures for Eatons transfer switches

Timers

1. Time delay normal to emergency (TDNE)

Provides a time delay to allow for the generator to warm up beforetransferring the load from the normal source to the emergency

source. Timing begins only after the emergency source becomesavailable and is deemed good based on the programmable voltageand frequency set points in the controller.

2. Time delay engine start (TDES)

Provides a time delay before initiating the generator start cycle. Thisis to account for momentary power outages or voltage fluctuationsof the normal source. Provides a form C contact to the generatorstarter circuit.

3. Time delay emergency to normal (TDEN)

Provides a time delay of the retransfer operation to permitstabilization of the normal source. Timing begins only after thenormal source becomes available and is deemed good based onthe programmable voltage and frequency set points in the controller.

This function is fail-safe protected.

4. Time delay engine cooldown (TDEC)

Provides a time delay before initiating the generator stop cycleafter the retransfer operation. This allows the generator to cooldown by running unloaded. Timing begins on completion of theretransfer cycle.

7. Time delay emergency fail (TDEF)

Provides a time delay that prevents a connected emergency sourcefrom being declared unavailable based on the customers setpoints. This is to account for momentary generator fluctuations.If the Source 2 remains in a failed state, then 0.5 second afterthe TDEF timer expires the transfer switch will proceed with theprogrammed sequence for retransfer if Source 1 is available. This

time delay is only implemented when Source 2 is a generator.ote:N This feature is also enabled when large loads cause generator output

to drop below customer set points.

Plant exerciser

23A. Plant exerciser (PE) with fail-safe

Provides a means for automatic testing of the engine generatorset or standby power system. All programmed time delays in thecontroller will be performed during plant exerciser operations.

Programmable set points for test intervals are start time, eitherdisabled, daily, 7, 14, or 28 days.

Fifteen-minute fixed engine test time.

Test may be performed with or without load transfer. Test may

be manually cancelled during the operation. This function isfail-safe protected.

23J. Plant exerciser with fail-safe

Provides a means for automatic testing of the engine generatorset or standby power system. All programmed time delays in thecontroller will be performed during the plant exerciser operation.

Programmable set points for test interval are start time, eitherdisabled or seven days, and engine test time.

Test may be performed with or without a load transfer. Test may bemanually cancelled during the operation. This is a fail-safe operation.

23K. Plant exerciser with fail-safe

Provides a means for automatic testing of the engine generatorset or standby power system. All programmed time delays in thecontroller will be performed during plant exerciser operations.

Programmable set points for test intervals are start time, eitherdisabled daily, 7, 14, or 28 days, engine test time.

Test may be performed with or without load transfer. Test may

be manually cancelled during the operation. This function isfail-safe protected.

Source 1 sensing

26. Source 1monitoring and protection

Provides Source 1 monitoring and protection functions. If Source 1fails, then the automatic transfer controller will begin the sequenceof operations necessary to transfer the load to Source 2. All feature26 monitoring and protection functions are fail-safe operations.

26H. Three-phase rotation protection

Provides three-phase reversal sensing in order to protect againsttransferring to an out-of-phase source. The controller will treat theopposite source as unavailable if the sources are out of phase based

on programmable set points in the controller.

26J. All-phase undervoltage/underfrequency protection

Provides all-phase undervoltage/underfrequency monitoring andprotection based on programmable set points in the controller.

26K. All-phase overvoltage/overfrequency protection

Provides all-phase overvoltage/overfrequency monitoring andprotection based on programmable set points in the controller.

26L. Three-phase voltage unbalance/phase loss

Provides phase loss detection from blown fuses on Source 1.

26M. Generator utility sensing

Allows for the switch to operate with generators that have

internal utility sensing. This option comes as a kit that needsto be field installed.

Source 2 sensing

5. Source 2monitoring and protection

Provides monitoring and protection based on the Source 2voltage and/or frequency set points. All feature five monitoringand protection functions are fail-safe operations.

5J. All-phase undervoltage/underfrequency protection

Provides undervoltage/underfrequency monitoring and protectionbased on programmable set points in the controller.

5K. All-phase overvoltage/overfrequency protection

Provides overvoltage/overfrequency monitoring and protectionbased on programmable set points in the controller.

5H. Three-phase rotation protection

Provides three-phase reversal sensing in order to protect againsttransferring to an out-of-phase source. The controller will treat theopposite source as unavailable if the sources are out of phasebased on programmable set points in the controller.

5L. Three-phase voltage unbalance/phase loss

Provides phase loss detection from blown fuses on the Source 2supply circuit.


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Manual controls

6B. Test operators

Automatic transfer switches are provided with a test pushbuttonthat simulates a loss of the Source 1 as standard. All programmedtime delays (TDNE, TDEN, etc.) will be performed as part of thetest. Engine run time of the test is equal to the plant exerciserprogrammed set point. All tests are fail-safe protected.

6H. Four-position test selector switch (FPSS)

Provides a four-position, maintained contact selector switch markedAuto, Test, Engine Start, and Off. The FPSS is fail-safeprotected, except for the Off Position. Transfer switch operationis determined by the switch position. Transfer switch operationsare as follows:

Autoautomatic operation mode.

Testa load test is performed until the switch is movedto another position.

Engine Starta no-load test is performed until the switchis moved to another position.

Offthe automatic transfer controller and engine start contactare disabled. A white pilot light is provided to indicate that the FPSS

is in the Off position.

ote:N This option will force the switch to be marked as non-automatic basedon UL 1008.

8. Time delay bypass pushbutton

Provides a momentary contact pushbutton to bypass the TDNE(feature 1) and/or TDEN (feature 2) time delays. The time delaybypass pushbutton contact, when closed, will reduce any or allof the programmed time delay to zero. Must be executed whenTDNE or TDEN timer is displayed on the controller.

8C. Bypass time delay emergency to normal (TDEN)

8D. Bypass time delay normal to emergency (TDNE)

9B. Maintenance selector switch (MSS)

Provides a two-position, maintained contact selector switch markedOperate and Disable. When the MSS is placed in the Disableposition, the controller logic will be disconnected from the transfermotor circuit. The MSS is placed in the Operate position fornormal automatic operation.

29. Transfer operation modes

Provides standard or optional transfer modes, mode selectiondevices, and operational methods for transfer switches.

29G. Automatic/manual operation with selector switch

Provides two-position selector switch (labeled auto/manual) thatpermits selection of the automatic or manual transfer. When inthe Auto position, the transfer switch operates with fully auto-

matic transfer, retransfer, and generator startup and shutdownoperations. When in the Manual position, manual operationis required to initiate the generator startup or retransfer withgenerator shutdown operations.

ote:N Transfer switches with feature 29G must be labeled as non-automatictransfer switch equipment.

29J. Automatic transfer or automatic transfer withnon-automatic retransfer operation

Provides a field-selectable, programmable set point that permitsthe transfer switch to operate in one of the following two transfemodes (A or B).

A. Fully automatic operation.

B. Automatic engine/generator startup and automatic transfer

operation from Source 1 to Source 2. Manual pushbuttonoperation is required to initiate the retransfer operation andengine/generator shutdown. The pushbutton for manualretransfer operation is included. This is fail-safe protected.

10. Preferred source selector

Provides a means to designate either Source 1 or Source 2 asthe preferred source. The preferred source is the source thatthe transfer switch will connect the load to if it is available.

ote:N This is a programmable software feature not an actual switch.

10B. Preferred source selector

Provides a programmable source selector for use on systems comprised of dual utility or utility and engine/generator power sources

10D. Preferred source selector

Provides a programmable source selector for use on systemscomprised of dual engine/generator power sources. (Dual enginestarting circuits are provided.)

Indications and status display

12C. Source 1load connected

Provides a green indication that indicates the load is connectedto Source 1 when lit.

12D. Source 2load connected

Provides a red indication that indicates the load is connectedto Source 2 when lit.

12G. Source 1present

Provides a white or amber indication Depending on the Controllethat Source 1 has power; however, this does not indicate whetheSource 1 is acceptable.

12H. Source 2present

Provides an amber indication that Source 2 has power; however,this does not indicate whether Source 2 is acceptable.

Overcurrent trip indication

Available only with integral overcurrent protection (feature 16)(shown on automatic transfer controller display).

12L. Source 1 trip indication

The automatic transfer controller display will read Lockoutif the Source 1 circuit breaker is in the tripped position.

12M. Source 2 trip indication

The automatic transfer controller display will read Lockoutif the Source 2 circuit breaker is in the tripped position.


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Customer outputs

14. Relay auxiliary contacts

14C. Source 1 present

Provides four form C relay auxiliary contacts. The relay isenergized when Source 1 is present.

14D. Source 2 present

Provides four form C relay auxiliary contacts. The relay isenergized when Source 2 is present.

14G. Source 1 present

Provides two form C relay auxiliary contacts. The relay isenergized when Source 1 is available and within the controllersprogrammable set points.

14H. Source 2 present

Provides two form C relay auxiliary contacts. The relay isenergized when Source 2 is available and within the controllersprogrammable set points.

15. Switch position indication contact

Provides a contact that indicates if the power switching deviceis in the open or closed position.

15E. Source 1 position indication contact

Provides one form C contact that indicates the position of theSource 1 power switching device.

15F. Source 2 position indication contact

Provides one form C contact that indicates the position of theSource 2 power-switching device.

15M. Source 2 load shed contacts

Provides four form C contacts to initiate a load circuit disconnectwhile on Source 2. This gives the user the capability of selectivelychoosing not to run certain loads while on Source 2.

35A. Pretransfer signal with 1 form C contact

Provides a signal prior to the transferring of the load. Will not transferuntil the programmable delay set point in the controller is reached.If both sources are not available, this option will ignore the timedelay set in the controller.

Customer inputs

26D. Go to emergency (Source 2)

Provides the capability for an external contact closure to initiatea transfer to the Source 2 power source. This includes startingthe generator, performing the programmed time delays, and thetransfer operation. Retransfer will occur when the external contactis opened. This is a fail-safe function.

36. Load shed from emergency

Provides the capability for an external NC contact to initiate a loadcircuit disconnection from the Source 2 power source. If the loadcircuit is connected to Source 2 and the contact is opened, thena retransfer to Source 1 is completed if Source 1 is available.If Source 1 is not available, then the transfer switch will transfer toneutral. If the load circuit is connected to Source 1 and the contactis open, then a transfer Source 2 is prohibited.

18. Metering

The microprocessor-based multifunction monitoring and displayfeatures the latest technological advances in metering andcommunications capabilities.

Available with an optional communications interface. (See feature48communications for available communication modules.)

Feature 18 metering options include all required external devices

(CTs, etc.) for a fully functioning metering system.

IQ Analyzer

The IQ Analyzer is an rms sensing, multifunction microprocessor-based monitoring and display device with waveform capture thatprovides simultaneous monitoring of current, voltage, frequency,power (real, reactive, and apparent), energy (real, reactive, andapparent), demand (forward, reverse, and net), harmonics(magnitude and phase angle), power factor, and percent THD(current and voltage).

18O. IQ AnalyzerSource 1 line-side metering

Provides an IQ Analyzer for monitoring the Source 1 line-side circuit.

18P. IQ AnalyzerSource 2 line-side metering

Provides an IQ Analyzer for monitoring the Source 2 line-side circuit.

18Q. IQ Analyzer with selector switch for Source 1 orSource 2 line-side metering

Provides an IQ Analyzer with a source selector switch for monitoringthe Source 1 or Source 2 line-side circuit.

IQ DP-4000

The IQ DP-4000 is an rms sensing, multifunction microprocessor-based monitoring and display device that provides simultaneousmonitoring of current, voltage, frequency, power (real, reactive, andapparent), energy (real, reactive, and apparent), power factor andpercent THD (current and voltage).

18R. IQ DP-4000Source 1 line-side metering

Provides an IQ DP-4000 for monitoring the Source 1 line-side circuit.

18S. IQ DP-4000Source 2 line-side metering

Provides an IQ DP-4000 for monitoring the Source 2 line-side circuit.

18T. IQ DP-4000 with selector switch for Source 1 or Source 2line-side metering

Provides an IQ DP-4000 with a source selector switch for monitoringthe Source 1 or Source 2 line-side circuit.

18U. IQ DP-4000load-side metering

Provides an IQ DP-4000 for monitoring the load-side circuit.

18V. IQ Analyzerload-side metering

Provides an IQ Analyzer for monitoring the load-side circuit.

18W. Ammeter-side metering

Provides an ammeter for monitoring the load-side circuit.

20A. Rear bus provisions

Provides Source 1, Source 2, and load circuit rear-accessiblebus stabs with provision for busbar connection. Eaton transferswitches are provided with either front or rear (dependent onswitch type) connected solderless screw-type terminals for powercable connection as standard.


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21A. Optional power cable connection terminals

Eaton transfer switches are provided as standard with Source 1,Source 2, and load circuit solderless screw-type terminals for powercable connection. Alternate terminal wire sizes and compressionlug provisions may be available depending on transfer switch typeand ampere rating.

32. Delayed transition transfer modes for open transition

transfer switches

Provides delayed transition transfer modes for an open transitiontransfer switch. Often used in systems with inductive loads,a delayed transition transfer switch may prevent or reduce in-rushcurrents due to out-of-phase switching of inductive loads.

32A. Time delay neutral

Provides a time delay in the neutral position during the transferand retransfer operations during which both Source 1 and Source 2are disconnected from the load circuit. This allows inductive loadstime to reach a safe voltage and eliminate back EMF. The time delayis programmable and is the same for both transfer and retransferoperations. This is a passive feature that requires the consultingengineer/installer to determine the settings based on how theuser will operate the facility. (Adjustable 0120 seconds.)

32F. In-phase transition

Provides in-phase transition, which is a feature that will permita transfer or retransfer between two available sources that havea phase angle difference of eight degrees or less. The in-phasetransition feature includes permissible frequency difference andsynchronization time set points. In the event Source 1 andSource 2 fail to synchronize within the permitted frequencydifference and time, the alarm relay will energize and Failed toSync will be displayed on line 1 of the controller. After resettingthe alarm, another in-phase transition may be attempted or anon-synchronized transfer may be initiated by failing the connectedsource. The adjustable frequency difference is 0.0 to 3.0 Hz. If thesynchronization does not occur within a specified amount of time,the alarm relay will energize and the failure will be logged into thetransfer history as either Sync Fail-Freq or Sync Fail-Phasedepending on whether the frequency difference or the phasedifference was excessive.

32G. Time delay neutral (TDN)

This feature provides a time delay in the neutral position duringthe transfer and retransfer operations during which both the utilitysource and the generator source are disconnected from the loadcircuit. TDN cannot be implemented on a transfer switch using atwo-position contactor. Jumper selectable at Disable (0 seconds) orEnable (2 seconds). Available only with three-position contactor ATS.

Logic extender cable

34A. 48 inches (1219 mm)

Provides logic extension cable with connectors.

37. Service equipment rated transfer switch

Service-entrance rated transfer switches are available usinga breaker-based design.

38. Steel cover

Provides protection for the controller.

41. Space heater with thermostat

Provides a space heater and adjustable thermostat. Externalcontrol power is not required. Availability is dependent on transferswitch type.

41A. Space heater with thermostat100 watt

Provides 100-watt space heater with an adjustable thermostat.

41C. Space heater with thermostat375 watt

Provides 375-watt space heater with an adjustable thermostat.

42. Seismic certification

Provides a seismic-certified transfer switch with certificatefor application in Seismic Zone 4 under the California BuildingCode (CBC), the Uniform Building Code (UBC) and BOCA, andInternational Building Code (IBC).

45. Load-sequencing capability

Provides the capability for sequential closure of up to 10 addressarelays after a transfer. Each addressable relay provides (1) form Ccontact. A single adjustable time delay between each of the relayclosures is provided. Operates via a subnetwork. (Adjustable1120 seconds.)

45A. Load-sequencing contact

Provides (1) addressable relay.

45B. Load-sequencing contactProvides (2) addressable relays.

45C. Load-sequencing contact

Provides (3) addressable relays.

45D. Load-sequencing contact


45E. Load-sequencing contact


45F. Load-sequencing contact


45G. Load-sequencing contact


45H. Load-sequencing contact


45I. Load-sequencing contact


45J. Load-sequencing contact


48. Communication modules

Provides communications modules for the ATC-600 and ATC-800(closed transition) transfer switch controllers. A separately mountedcommunications module will enable the automatic transfer controlleto be remotely monitored, controlled, and programmed via a netwo

48A. Communications moduleIPONI

Provides INCOM protocol communications modules.

48D. Communications moduleEPONI

Provides INCOM protocol via Ethernet communications module.(10Base-T only.)


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48E. Communications moduleEPONI

Provides INCOM protocol via Ethernet communications module.(10Base-T and 10Base-FL.)

48F. Communications moduleMPONI

Provides Modbus RTU protocol via communications module.

Modbus 485 enabled port on the ATC-300.

Transient voltage surge protection

There are three surge options to choose from. They are CHSP,CVL, and CPS. In addition, there are two generator start circuitsprotectors. The listed rating is per phase, and availability isdependent on transfer switch type.

48RACremote annunciator control

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Contactor-based Automatic Transfer Switch (ATS) Technical Data

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