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ENGINEERING STANDARD SPECIFICATION North Atlantic TITLE ELECTRICAL UTILISATION MOTOR CONTROL CENTRES 600V VALE # SPEC-54004 PAGE 1/24 REV. 1 REVISIONS Rev Description Rev’n by App Sud App PC App Thom App VB App LH App Clyd Appr Act Issue Date YYYY/MM/DD 1 Document format and number changed. Previous number 5431-02.01.310,, Additional technical content T.C. 2014/03/25 T.C. 2014/03/25 Pending Pending Pending Pending Pending Pending 2014/03/25 Sud = Sudbury, Ontario, PC = Port Colborne, Thom = Thompson, Manitoba, VB = Voisey’s Bay, LH = Long Harbour, Act = Acton, England, Clyd = Clydach, Wales, N/A = Not Applicable
Transcript
Page 1: North ENGINEERING STANDARD SPECIFICATION Atlanticpmo.extportal.vale.com/eng/Sud/standards/pdf/SPEC-54004.pdf · 2015. 10. 5. · CSA C22.2 No. 14 Industrial Control Equipment CSA

ENGINEERING STANDARD SPECIFICATION North

Atlantic

TITLE

ELECTRICAL UTILISATION MOTOR CONTROL CENTRES 600V

VALE # SPEC-54004

PAGE

1/24

REV.

1

REVISIONS

Rev Description Rev’n by

App Sud

App PC

App Thom

App VB

App LH

App Clyd

Appr Act

Issue Date YYYY/MM/DD

1

Document format and number changed. Previous number 5431-02.01.310,, Additional technical content

T.C. 2014/03/25

T.C. 2014/03/25 Pending Pending Pending Pending Pending Pending 2014/03/25

Sud = Sudbury, Ontario, PC = Port Colborne, Thom = Thompson, Manitoba, VB = Voisey’s Bay, LH = Long Harbour, Act = Acton, England, Clyd = Clydach, Wales, N/A = Not Applicable

Page 2: North ENGINEERING STANDARD SPECIFICATION Atlanticpmo.extportal.vale.com/eng/Sud/standards/pdf/SPEC-54004.pdf · 2015. 10. 5. · CSA C22.2 No. 14 Industrial Control Equipment CSA

ENGINEERING STANDARD SPECIFICATION North

Atlantic

TITLE

ELECTRICAL UTILISATION MOTOR CONTROL CENTRES 600V

VALE # SPEC-54004

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1.0 PURPOSE

This specification describes the minimum requirements for general material, design, manufacture, testing and delivery for 600 volt Motor Control Centres (MCC) supplied to Vale. The latest Standards, Codes and Regulations apply to all other requirements not specifically mentioned. In case of conflict, Vale will furnish a written interpretation. The attached Data Sheet (Appendix C) forms an integral part of this specification. 2.0 APPLICATION

This specification, applies at any Vale locations indicated with approval on the cover page, with the following exceptions: 2.1 Exceptions

None. 3.0 REFERENCE DOCUMENTATION

The following documents were used in the development of this document or have instructions and procedures applicable to it. They shall be used in their most recent revision. CSA C22.2 No. 14 Industrial Control Equipment CSA C22.2 No. 254 Motor Control Centres CAN/CSA M421-93 Use of Electricity in Mines EEMAC Electrical and Electronic Manufacturers Association of Canada IEEE/ANSI C37 Power Switchgear, Circuit Breaker, and Fuses OESC Ontario Electrical Safety Code (ONTARIO) ANSI American National Standards Institute NEMA ICS 2 Industrial Control Systems Controllers, Contactors and Overload

Relays Rated 600 Volts NEMA ICS 18 Motor Control Centers UL 845 Motor Control Centers

4.0 LANGUAGE

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ENGINEERING STANDARD SPECIFICATION North

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ELECTRICAL UTILISATION MOTOR CONTROL CENTRES 600V

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All drawings, technical documents, manuals, tagging, identification, equipment nameplates, instrumentation displays, and correspondence shall be in Canadian English. All warning signs and safety signs shall be in Canadian English. 5.0 SYSTEM OF UNITS The Imperial System of units shall be used for all design calculations and on all drawings. 6.0 DEVIATIONS FROM SPECIFICATIONS

Quotations for alternative components or equipment, in whole or in part for the unit specified, are permitted where it is considered that savings in capital, or operating costs, or any improvement in safety and reliability are obtained by deviating from this specification. Clearly identify alternatives in the quotation and where necessary, submit a separate alternative quotation. 7.0 SUBMITTALS

As a minimum the following information shall be provided with each MCC: Completed Data Sheet (Appendix C) List of deviations from this specification General Arrangement Drawing Nameplate Drawings Schematic Wiring Diagrams Test Data Sheets MCC Installation Instructions MCC Operating and Maintenance Manual MCC Complete Inventory Parts List

The Vale bid document shall indicate when this information should be provided. Include the following at the time of quotation:

Completed Data Sheet (Appendix C) List of deviations from this specification

Page 4: North ENGINEERING STANDARD SPECIFICATION Atlanticpmo.extportal.vale.com/eng/Sud/standards/pdf/SPEC-54004.pdf · 2015. 10. 5. · CSA C22.2 No. 14 Industrial Control Equipment CSA

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8.0 DELIVERY AND SHIPPING

After testing and acceptance by the Owner (or designated representative), the equipment shall be prepared for shipment. The Vendor shall disassemble the MCC into shipping blocks for shipping. Each shipping block shall be completed with:

Horizontal power bus splice kit. Ground bus splice kit. Communication cable(s) for interconnection between adjacent shipping blocks. Components shall be braced to prevent motion or damage during shipment. All loose components shall be shipped in weatherproof crates, with each

component well identified and the contents of each crate clearly indicated on the outside.

All openings shall be covered with steel or wood covers. All threaded openings shall be protected with steel plugs.

Removable steel lifting angles shall be supplied with each shipping section. The angles shall run the length of each shipping section. Lifting eyelets will not be accepted.

Clearly mark each crate as follows: Address. Vale purchase order No. Shipping section identification. Arrows showing lifting points. Arrows showing this side up.

9.0 SYSTEM OF UNITS

The Imperial System of units shall be used for all design calculations and on all drawings.

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ENGINEERING STANDARD SPECIFICATION North

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ELECTRICAL UTILISATION MOTOR CONTROL CENTRES 600V

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10.0 TECHNICAL REQUIREMENTS

10.1 GENERAL Each motor starter, variable frequency drive, and distribution module shall be supplied with a means to communicate via an approved industrial communication protocol. Cable entry of all power, control and communication cables shall be specified by Data Sheet (Appendix C). The MCC shall include a full section to install communications including PLC or DCS I/O modules, specified by Data Sheet (Appendix C). 10.2 ENCLOSURE The enclosure shall consist of individual vertical sections bolted together and mounted on a common channel base to form a rigid, free standing, dead front assembly. The arrangement of the units within the MCC shall be as the general arrangement drawing (if supplied by Vale). Provide sufficient hardware, brackets, baffles, louvers and cover plates, to permit the addition of starters at a future date. 10.3 WIREWAYS Horizontal wireways at least 6” high shall be provided at the top and bottom of each section. To prevent damage to cable insulation the wireway openings between sections shall have rounded corners with the edges rolled back. A full height vertical wireway door shall be provided with each standard vertical section. A permanent vertical wireway wall shall separate the units from the wireway and remain intact when the units are removed. All wireways must be completely isolated from the power bus system. The horizontal wire-ways shall have removable covers held in place by captive screws. The vertical wire-way shall be covered with a hinged and secured door. Isolation between the wire-way and units shall be provided. 10.4 POWER BUS The power bus system shall consist of a horizontal busbar used to provide power to each MCC section, and vertical busbars in each section used to supply power to each MCC unit. The power bus system shall be supported, braced, and isolated by a bus support molded of a high strength, non-tracking glass-filled polyester material. Bus bracing shall be rated to

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ENGINEERING STANDARD SPECIFICATION North

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withstand a minimum fault current as specified by Data Sheet (Appendix C) kA RMS symmetrical. The horizontal busbar shall be made of copper with tinned plating material, unless specified otherwise by Data Sheet (Appendix C). The horizontal bus shall be braced within each section and completely isolated in a separate compartment. The vertical busbars shall be made of copper with tinned plating material, unless specified otherwise by Data Sheet (Appendix C). The vertical bus shall be braced and sandwiched in a glass-filled polyester molding. The bus shall be isolated using a non-metallic molded cover. Vertical busbars shall be designed to accept plug-in starters and distribution units. Shutters shall automatically open when a unit is inserted and automatically close when a unit is removed. Plug-in stabs shall be mounted in a polyester molding at the rear of the unit. Wiring from the unit disconnecting means to the plug-in stabs shall be routed into this molding such that the wiring is not exposed at the rear of the unit. All bus hardware including bolts, nuts, and washers shall be stainless steel. Provide all necessary hardware to field connect assemblies at shipping sections. 10.5 PLUG-IN UNITS Plug-in units shall consist of unit assembly, and unit door assembly. Units shall be supplied with removable doors. The unit doors shall be fastened to the structure so that the doors can be closed when the unit is removed. 10.6 GROUND BUS The horizontal ground bus shall ¼ “ x 2 “ high conductivity copper and run the entire length of the assembly in the bottom horizontal wireway. A compression connector for a #4/0 AWG ground conductor specified by Data Sheet (Appendix C) shall be provided at each end of the horizontal ground bus for external grounding. The vertical ground busses shall be made of copper, unless specified otherwise by Data Sheet (Appendix C) and run from the horizontal ground bus to the top of each section. A grounding point shall be provided at each starter unit for the purposes of landing the ground wire coming from the motor. A grounding stab shall be provided on each plug-in unit such that the stab engages onto the vertical ground bus prior to the power stabs engaging. All bus hardware including bolts, nuts, and washers shall be stainless steel. Provide all necessary hardware to field connect assemblies at shipping sections.

Page 7: North ENGINEERING STANDARD SPECIFICATION Atlanticpmo.extportal.vale.com/eng/Sud/standards/pdf/SPEC-54004.pdf · 2015. 10. 5. · CSA C22.2 No. 14 Industrial Control Equipment CSA

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10.7 MCC MAIN DISCONNECTING MEANS Units shall be provided with a heavy-duty, industrial, flange mounted handle mechanism for control of each disconnect switch. Type of disconnecting means to be specified on Data Sheet (Appendix C). The operator handle of all units shall be interlocked with the MCC frame such that a unit cannot be withdrawn or inserted when the operator is in the ON position. A defeatable interlock shall be provided to prevent opening the door when the operator is in the ON position. A restrictive mechanism will be provided to allow an authorized person to defeat the mechanical interlock if necessary. Unit disconnecting handles shall be padlockable in the OFF position. Provide a three-pole, moulded case, thermal magnetic, visible-break type circuit breaker, unless specified otherwise on Data Sheet (Appendix C). Provide a removable protective barrier to reduce the possibility of contact with the line terminals. The withstand rating of the main shall be greater than or equal to the bus bracing for the MCC. Provide crimp lugs to accommodate the conductors as indicated on the drawings. If no overcurrent protection is indicated, provide a main incoming lug compartment. 10.8 MAIN INCOMING VERTICAL SECTION The main incoming section shall be supplied with the protection devices as per the Data Sheet (Appendix C). The vertical sections shall have the following features:

Standard width MCC unit plug-ins with a minimum height of one space factor. Large starters (i.e size 5 and larger) shall be frame mounted type.

Automatic shutters for isolation of plug-in stab openings.

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Vertical sections shall be constructed from sheet steel having sufficient strength to resist strains caused by handling, installation, and operation. Provide vertical sections fabricated of sheet steel construction designed and built to NEMA Type 1 specifications unless specified otherwise on Data Sheet (Appendix C). Provide vertical sections to accommodate units not less than 12 inches high. Provide “front only” or “back to back” construction as specified on Data Sheet (Appendix C). Each vertical section shall have the following features as specified by Data Sheet (Appendix C) To minimize the chance of fault propagation to adjacent sections each vertical section shall have side sheets extending the full height and depth of the section. Unit doors shall be fastened to the stationary structure so the door can be closed after a plug-in unit has been removed. The door shall be hinged such that it opens away from the vertical wireway. After insertion each plug-in unit shall be held in place by a latch that is located at the front of the unit. Each incoming line shall be supplied with current transformers and potential transformers for line metering. 10.9 METERING A meter shall be supplied from a fusible disconnect c/w power fuses and fused control circuit transformer. Current transformers shipped loose. Electronic power monitor. Power monitor shall be capable of displaying the following:

Line current for all three phases with plus or minus 0.2 percent full-scale accuracy.

Average three phase current with plus or minus 0.2 percent full-scale accuracy. Line-to-neutral and line-to-line voltage with plus or minus 0.2 percent of full-

scale accuracy. Current and voltage unbalance. Real, reactive, apparent and true power with plus or minus 0.4 percent full-

scale accuracy. KWh, KVARh and kVAHnet.

Page 9: North ENGINEERING STANDARD SPECIFICATION Atlanticpmo.extportal.vale.com/eng/Sud/standards/pdf/SPEC-54004.pdf · 2015. 10. 5. · CSA C22.2 No. 14 Industrial Control Equipment CSA

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True RMS to the 45th harmonic. Frequency at plus or minus 0.5 percent. Power factor at plus or minus 0.4 percent.

The power monitor shall include min / max logs and trend logs with up to 45.867 data points. The power monitor shall be capable of performing distortion analysis with THD, Crest Factor (I, V) and Distortion power factor. The power monitor shall have communication capabilities specified by the Data Sheet (Appendix C). The power monitor shall include two from-C relays. 10.10 MOTOR STARTER UNITS 10.10.1 GENERAL Motor starter units shall be NEMA rated combination starters, plug-in type up to Size 4 and frame mounted for larger units. Each starter shall be mounted in a standard size unit insert. All starters shall be Size 1 or larger, no intermediate sizes will be accepted. Do not mount more than six starters in any one vertical section. Do not use compact module sized starters. Ensure that starter units of the same size are fully interchangeable. Motor starters are to be designed and built to NEMA standards. Provide three pole, magnetic, across the line, combination motor starters with individual fused control transformer. The combination starter shall be designed and built to NEMA standards. 10.10.2 DISCONNECTING MEANS GENERAL Disconnect switch shall be three-phase, flanged mounted, quick-make, quick-break, with visible blades in the open position, horsepower rated and CSA approved for starter size. Ensure that when the disconnect switch is open all parts on the load side within the controller enclosure are de-energized. Mount a toggle switch on the front of the starter, size 3 and above which is wired into the ungrounded control conductor between the fuse and the transformer. Mark this switch clearly "On-Off" and "Switch to Off Before Operating Disconnect Switch".

Page 10: North ENGINEERING STANDARD SPECIFICATION Atlanticpmo.extportal.vale.com/eng/Sud/standards/pdf/SPEC-54004.pdf · 2015. 10. 5. · CSA C22.2 No. 14 Industrial Control Equipment CSA

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10.10.3 FUSES Disconnect fuse clips shall be suitable for Ferraz-Shawmut HRC Form II, Class C, non-indicating type fuses. Supply Ferraz-Shawmut Class C fuses only when specified. Fuse clips shall be arranged to accept fuses for any within the range of a particular starter. 10.10.4 MAGNETIC CONTACTOR Magnetic contactors shall be NEMA rated and complete with auxiliary contacts. Operating coil voltage shall be 120 VAC, 60 Hz. Provide magnetic contactor CSA approved and designed and built to NEMA standards for motor starting applications, complete with auxiliary contacts. NEMA rated / IEC designed starters will be rejected. Contactor coil shall operate on 115 volts A.C. In larger starters where contactor design incorporates a 575 volt A.C. or a D.C. coil, use a relay to control these circuits which operate on 115 volt A.C. Provide lugs for the connection of power factor correction capacitors between the load side of the contactor and the overload relay on all starters Motor starters size 3 and larger shall have interposing relays. If NEMA contactors larger than size 5 are not available, vacuum contactors with 120 VAC coils are an acceptable alternative.

Starters size 6 shall be provided with vacuum contactors with 120 VAC coils. 10.10.5 AUXILIARY CONTACTS Each non-reversing starter shall be provided with at least two (2) normally-open (NO) and two (2) normally-closed (NC) auxiliary contacts wired up to the terminal block. Each reversing starter shall be provided with at least two (2) NO and one (1) NC auxiliary contact wired up to the terminal block. Reversing starters shall also be provided with two contactors mechanically and electrically interlocked against simultaneous operation. Auxiliary contacts are in addition to those required for seal-in and interlocking and shall be electrically independent of one another.

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10.10.6 PROTECTION RELAY Starter overload relays shall provide the following functions/features: 3-pole manual reset. Overload and underload protection Phase loss and imbalance Ground fault protection Programmable trip class and trip settings Programmable warning thresholds Integral digital inputs Integral digital outputs 120VAC, 60Hz Input Interface Module. The module will be used to support the 120VAC signals associated with the above I/O. A door mounted overload reset button and trip indication contacts shall be provided. 10.10.7 CONTROL TRANSFORMER Fused Control Transformer (Primary and Secondary) 600/120 VAC, 60 Hz single-phase control transformer shall be provided with each starter. The secondary shall be fused on one (1) leg and grounded on the other; the primary shall be fused on both legs. Control transformer shall use Bussman type CC control fuses and finger safe fuse blocks. Control transformers shall have a minimum excess capacity of 100W above standard for all starter sizes.

Page 12: North ENGINEERING STANDARD SPECIFICATION Atlanticpmo.extportal.vale.com/eng/Sud/standards/pdf/SPEC-54004.pdf · 2015. 10. 5. · CSA C22.2 No. 14 Industrial Control Equipment CSA

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10.10.8 CURRENT TRANSFORMERS (CTs) Overload protection CTs shall be suitable for the maximum load demand Ground fault protection CTs shall be provided as per Data Sheet (Appendix C). All CTs shall have their polarity clearly marked. 10.10.9 SELECTOR SWITCHES The Vendor shall supply the selector switches on the MCC as shown on the Data Sheet (Appenix C) or the typical motor schematics. Selector switches shall be NEMA style 30.5 mm type. An “ON-OFF” selector switch shall be mounted on the door of all size 3 starters and above. The switch will be used to isolate the control transformer secondary from the motor control circuit. The switch shall be clearly marked “On-Off” and “Switch to Off Before Operating Disconnect Switch”. 10.10.10 PUSHBUTTONS The Vendor shall supply the pushbuttons installed on the MCC as shown on the Data Sheet (Appendix C) or the typical motor schematics. Pushbuttons shall be NEMA style 30.5 mm flange mounted momentary contact type. 10.10.11 PILOT LIGHTS NEMA style 30.5 mm flange mounted LED 120VAC type with the colour indicated on the motor typical schematic Push-to-test type. 10.11 FEEDER UNITS Feeder units shall be comprised of three-phase, quick-make, quick-break, visible blade fused disconnect switches with a short circuit withstand rating not less than the bus bracing for the MCC. Disconnect switch fuses shall be:

HRC Ferraz-Shawmut Class J Type A4J for non-transformer loads

HRC Ferraz-Shawmut Class RK5 Type TRS for transformer loads

HRC Ferraz-Shawmut Class J Type HSJ for VFD controlled motor loads.

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10.12 COMMUNICATION REQUIREMENTS Network communication protocol will be specified in Data Sheet (Appendix C). A network communication cables shall be routed through the MCC assembly. The cables shall be behind barriers isolated from the unit space and wireways to prevent accidental mechanical damage. Each vertical section shall contain the same number of communication ports as the number of possible Size 1 starters installed at strategic locations within the vertical wireway. Network cable specifications will be specified in Data Sheet (Appendix C). The MCC Manufacturer shall provide adequate power supplies as required by the specified network communication protocol in Data Sheet (Appendix C). The addition or removal of a unit from the specified network as per Data Sheet (Appendix C) shall not interrupt the operation of other units within the system. 10.13 WIRING Provide NEMA Class 1, Type B, 600 V insulated, single conductor, stranded copper, minimum seven strands, heat and flame retardant wiring rated 90 °C. Provide extra flexible wires of minimum 49 strands for door mounted items. Minimum #14 AWG wiring for controls and minimum #12 AWG wiring for current transformers. Provide wiring in continuous lengths, without splices between connection points, installed in channels or neatly tied and clamped to panel. For control wiring provide modular snap-on construction terminal blocks. Provide 20% spare terminals in each compartment for Vale use. Mount terminal blocks for current transformers separate from control terminal blocks. Mount terminal blocks for external connections in metering compartment grouped, easily accessible, visible and positioned near the compartment's field control cable entry points. Terminate all wiring on terminal blocks if not terminated on devices. No more than one (1) wire at any one terminal is acceptable, except where jumper wires are necessary. Use compression type spade connectors where wiring is terminated on hardware (relays, meters, switches, etc.). Soldered connections are not permitted. Terminate all spare contacts on terminal blocks. Identify all wires at both ends with sleeve type wire markers, with wire numbers as shown on the manufacturer's control schematic drawings, with current transformer polarity connections being clearly identified.

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Provide all interconnecting wiring between cells for a complete switchgear assembly. Where breaks between shipping sections occur, provide suitable arrangements for continuation of the interconnecting wires to facilitate reconnection on the terminal blocks. 10.14 TERMINAL BLOCKS 10.14.1 GENERAL Terminal blocks shall be:

Rated 300 V AC/DC for control circuits, 600 VAC for 120 VAC power circuits and 1000 VAC for 600 VAC circuits as a minimum.

Suitably placed to facilitate cable entry for the type of cable intended and shall not impede access to other equipment.

Segregated by voltage level with power, control and signal terminals grouped separately. Partitioning barriers shall be provided between different voltage levels.

No more than two (2) wires shall be connected to any one terminal. No terminal blocks shall be located within a wire way.

10.14.2 POWER TERMINAL BLOCKS Power terminal blocks shall be:

Supplied for all starters rated NEMA size 3 and below. Pull apart type for NEMA size 1 and 2 starters. Non-pull apart type for NEMA size 3 starters.

10.14.3 CT TERMINAL BLOCKS CT terminal blocks shall be snap-on construction terminal block type with shorting block assembly for testing current transformers. 10.14.4 CONTROL WIRING TERMINAL BLOCKS Control wiring terminal blocks shall be standard quick disconnect, pull-apart style that will allow removal of the starter without disassembly of the control wiring. For control terminal blocks provide sufficient terminals to accommodate all remote control and interlock wiring with four additional terminals as spares.

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10.14.5 PLC COMPARTMENT TERMINAL BLOCKS Terminal blocks installed in PLC compartment shall be as described on the typical PLC panel layout drawing and in addition shall be:

Equipped with a minimum current rating of 15 A. Equipped with 20% spare terminals.

10.14.6 CAPACITOR TERMINAL BLOCKS Supply for all Starters as indicated on the MCC Single Line Diagram. 10.15 POWER FACTOR CORRECTION CAPACITORS Each starter shall have lugs to allow the connection of power factor correction capacitors between the load side of the contactor and the overload relay on all starters. Capacitors shall be dry type, self-healing metallized plastic film, rated for 660 VAC and come complete with discharge resistor. Capacitors shall be installed in unused spaces of a vertical section and as close as possible to the starter to which they are connected. A blank vertical section shall be supplied to house capacitors if the number of unused spaces is insufficient. Barrier plates shall be installed between each capacitor to ensure capacitor isolation. Capacitors shall be installed for all starter units as indicated on the single line diagram. Clearly identify individual capacitors as to the equipment to which it is connected. Provide a nameplate on the outside of the front cover to identify the capacitors contained therein. Connect capacitors to the load side of the contactor but ahead of the overload relay. Prewire starters to the terminal blocks ready to accept capacitors external connections. Provide wiring from the capacitors to the terminal blocks. 10.16 RELAYS Where PLC interlocking is used provide wiring as specified.

10.17 PAINTING The MCC shall be painted in accordance with the Manufacturer’s standard paint specification. All unpainted parts shall be plated for corrosion resistance.

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10.18 NAMEPLATES Provide a nameplate for the MCC assembly identifying the MCC, manufacturer’s name, date and place of manufacture, shop order number, ratings, and other pertinent information. Provide a nameplate on each unit door identifying the unit and its assigned communication node or address. Unit nameplates shall be lamacoid type with ⅜” black lettering on yellow background. 10.19 TESTS The MCC shall be subject to Manufacturer’s routine shop test and test required by the relevant sections of the referenced standards. A functional test of all equipment shall also be performed. Provisions shall be made for witnessing of testing by the Owner. The Owner shall be notified one month in advance of the commencement of the tests to permit arrangements to be made for witnessing of the tests. Witnessing test requirements shall be as stipulated in the bid document from Vale. 10.20 ADDITIONAL EQUIPMENT TERMINAL BLOCKS 10.20.1 CURRENT TRANSFORMER (CT) Coordinate thermal and mechanical ratings of CT’s with short circuit rating of MCC. Provide overload protection CT’s with primary ratings between 100% and 150% of full load current. Provide CT’s with primary ratings between 150% and 200% of full load current for metering. Mark polarities of all current transformers. 10.20.2 POTENTIAL TRANSFORMER (PT) Provide 600-120 volt PT’s with primary non-renewable fuses and one secondary leg grounded, adequately sized for metering. 10.20.3 LIGHTING TRANSFORMER Provide dry type transformer with vented doors and filters. Class 180 degrees C insulation and 80 degrees C rise.

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10.20.4 PANEL BOARD When specified provide panel board unit including bolt-on branch breakers in accordance with Data Sheet (Appendix C). 11.0 APPENDICES

Appendix A: Revision and Transition Notes Appendix B: Keywords Appendix C: Datasheet

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Appendix A: Revision and Transition Notes (Revisions are listed in reverse chronological order with most recent revision at the top. Revision notes describe: what was changed, why it was changed, and the plan to implement the change, including whether changes are retroactive) Revision 1 Document format and number changed to suit Vale Engineering Document Program revision. Previous Standard number was 5431-02.01.310 Rev 9. Updated technical content, and consolidated Data Sheet information into one document.

Appendix B: Keywords 5431-02.01.310, MCC

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Appendix C: Data Sheet Manufacturer shall complete and submit the following technical information with bid documents as well as after award of purchase order.

ITEM # ITEM DESCRIPTION DESIGN REQUIREMENTS

1 MCC - GENERAL: 1.1 MCC Manufacturer: 1.2 MCC Model Number: 1.3 Quantity: 1.4 MCC Equipment Number: 1.5 Design Maximum Ambient Temperature (°C): 1.6 Design Minimum Ambient Temperature (°C): 1.7 Design Maximum Relative Humidity (%): 1.8 Total Weight (kg): 1.9 Power Cable Entry:

1.10 -

2 MCC - ENCLOSURE: 2.1 Enclosure Type: 2.2 MCC Construction: 2.3 MCC Depth (Front Only): 2.4 MCC Height: 2.5 MCC Width (Standard Section): 2.6 Transition Compartment: 2.7 Vertical Section Material: 2.8 Vertical Section Features: 2.9 -

2.10 -

3 MCC - ELECTRICAL REQUIREMENTS: 3.1 Nominal Supply Voltage (V): 600 V ± 10 % 3.2 Nominal Supply Frequency (Hz): 60 Hz ± 5 % 3.3 Number of Phases: 3 3.4 Wire System: 3 Wire 3.5 Symmetrical Short Circuit Current: 3.6 System Grounding: 3.7 - 3.8 - 3.9 -

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3.10 -

4 MAIN HORIZONTAL BUS FEATURES: 4.1 Main Horizontal Bus Material: Copper 4.2 Main Horizontal Bus Plating: Tin 4.3 Main Horizontal Bus Rating (A): 4.4 Main Horizontal Bus Fault Bracing (kA): 4.5 Main Horizontal Bus Features: 4.6 - 4.7 - 4.8 - 4.9 -

4.10 -

5 MAIN VERTICAL BUS FEATURES: 5.1 Main Vertical Bus Material: Copper 5.2 Main Vertical Bus Plating: Tin 5.3 Main Vertical Bus Rating (A): 5.4 Main Vertical Bus Fault Bracing (kA): 5.5 Additional Features: Plug-in and Unit Loads 5.6 Additional Features: Stab Openings with Automatic Shutters 5.7 - 5.8 - 5.9 -

5.10 -

6 HORIZONTAL GROUND BUS FEATURES: 6.1 Horizontal Ground Bus Material: Copper 6.2 Horizontal Ground Bus Plating: None 6.3 Horizontal Ground Bus Size: ¼” x 2” 6.4 Horizontal Ground Bus Features: 6.5 - 6.6 - 6.7 - 6.8 - 6.9 -

6.10 -

7 VERTICAL GROUND BUS FEATURES: 7.1 Vertical Ground Bus Material: Copper 7.2 Vertical Ground Bus Plating: None

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7.3 Vertical Ground Bus Size: 7.4 Vertical Ground Bus Features: 7.5 - 7.6 - 7.7 - 7.8 - 7.9 -

7.10 -

8 MAIN LUG FEATURES: 8.1 Main Lug Cable Entry: 8.2 Main Lug Cables per Phase: 8.3 Main Lug Cable Size: 8.4 Main Lug Type: Compression (Vendor Supplied) 8.5 - 8.6 - 8.7 - 8.8 - 8.9 -

8.10 -

9 MAIN CIRCUIT BREAKER FEATURES: 9.1 MCB Type: 9.2 MCB Frame: 9.3 MCB Trip: 9.4 MCB Fault Interrupting Capacity: 9.5 MCB Options: 9.6 - 9.7 - 9.8 - 9.9 -

9.10 -

10 MONITORING FEATURES: 10.1 PT’s for Incoming Metering: 10.2 CT’s for Incoming Metering: 10.3 Incoming Metering Type: 10.4 Power Monitor Communication Module : 10.5 Power Monitor Communication Protocol: 10.6 Ground Fault CT's

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10.7 - 10.8 - 10.9 -

10.10 -

11 STARTER UNIT FEATURES: 11.1 Starter Unit Types: FVNR and FVR 11.2 Starter Unit Disconnecting Means: Fusible Disconnect Switch 11.3 Starter Fuses: HRC Form II Class C (Vendor Supplied) 11.4 Starter Unit Fault Interrupting Capacity: 11.5 Starter Unit Overload Relay: 11.6 Starter Unit Heater Elements: 11.7 Starter Unit NO Alarm Contact: 11.8 Starter FVNR Auxiliary Contacts: 2 NO and 2 NC 11.9 Starter FVR Auxiliary Contacts: 2 NO and 1 NC

11.10 Minimum Starter Size: NEMA Size 1 11.11 Starter Pushbuttons: 11.12 Starter Selector Switches: Control Power ON/OFF (≥ Size 3) 11.13 Starter Pilot Lights (Push-to-Test): 11.14 Starter Communication Module: 11.15 Starter Communication Protocol: 11.16 - 11.17 - 11.18 - 11.19 - 11.2 -

12 DISTRIBUTION UNIT FEATURES: 12.1 Distribution Unit Disconnecting Means: Fusible Disconnect Switch 12.2 Distribution Unit Fuses: HRC Form I Class J (Vendor Supplied) 12.3 Distribution Unit Fault Interrupting Capacity: 65 kA 12.4 Distribution Unit Communication Module: 12.5 - 12.6 - 12.7 - 12.8 - 12.9 -

12.10 -

13 VFD FEATURES:

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13.1 VFD Unit Disconnecting Means: Fusible Disconnect Switch 13.2 VFD Unit Fuses: HRC Form I Class HSJ (Vendor Supplied) 13.3 VFD Unit Fault Interrupting Capacity (kA): 13.4 VFD Additional Information: 13.5 VFD Unit Communication Module: 13.6 - 13.7 - 13.8 - 13.9 -

13.10 -

14 CONTROL TRANSFORMER FEATURES: 14.1 Control Transformers: Individual 14.2 Control Transformer Voltage (V): 600/120 V 14.3 Control Transformer Excess Capacity: 100 Watts above standard 14.4 Control Transformer Fusing: Primary/Secondary (Vendor Supplied) 14.5 - 14.6 - 14.7 - 14.8 - 14.9 -

14.10 -

15 PANEL BOARD FEATURES: 15.1 Panel Board Manufacturer: 15.2 Panel Board Model Number: 15.3 Number of Circuits: 15.4 Panel Board Equipment Number: 15.5 - 15.6 - 15.7 - 15.8 - 15.9 -

15.10 -

16 MCC - DEVICE QUANTITIES 16.1 Size 1 FVNR Combination Starter: 16.2 Size 1 FVR Combination Starter: 16.3 Size 2 FVNR Combination Starter: 16.4 Size 2 FVR Combination Starter:

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16.5 Size 3 FVNR Combination Starter: 16.6 Size 3 FVR Combination Starter: 16.7 Size 4 FVNR Combination Starter: 16.8 Size 4 FVR Combination Starter: 16.9 Size 5 FVNR Combination Starter:

16.10 Size 5 FVR Combination Starter: 16.11 Size 6 FVNR Combination Starter: 16.12 Size 6 FVR Combination Starter: 16.13 Size 7 FVNR Combination Starter: 16.14 Size 7 FVR Combination Starter: 16.15 30 A, 3-Pole, 600 V Fusible Disconnect Switch: 16.16 60 A, 3-Pole, 600 V Fusible Disconnect Switch: 16.17 100 A, 3-Pole, 600 V Fusible Disconnect Switch: 16.18 200 A, 3-Pole, 600 V Fusible Disconnect Switch: 16.19 400 A, 3-Pole, 600 V Fusible Disconnect Switch: 16.20 600 A, 3-Pole, 600 V Fusible Disconnect Switch: 16.21 800 A, 3-Pole, 600 V Fusible Disconnect Switch: 16.22 1000 A, 3-Pole, 600 V Fusible Disconnect Switch: 16.23 -

16.24 -

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16.26 -

16.27 -

16.28 -

16.29 -

16.30 -


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