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Circuit BreakersFull Size (1" per Pole) with INSTA-WIRE1-Pole
Plug-In (120V AC)®®
ContinuousCurrent Rating@40°C15202530354045506070
Type MP-T
10.000A IR
CatalogNumber
MP115®
MP120®
MP125
MP130MP135B
MP140MP145B
MP150MP160B
MP170B
ListPrice $
23.50
23.50
23.50
23.5023.50
23.50
23.5023.50
23.5049.50
Type MP-HT
22.000A IR
CatalogNumberMP115KH®
MP120KH®
MP125KHBMP130KH
MP135KHB
MP140KH
MP145KHBMP150KH
MP160KHBMP170KHB
ListPrice $
49.5049.50
49.50
54.00
54.0054.00
54.00
54.0054.00
68.00
Type MP-MT
65.000A IR
CatalogNumberMP115KMB®MP120KMB
MP125KMB
MP130KMB
MP135KMBMP140KMB
MP145KMB
MP150KMBMP160KMB
MP170KMB
ListPrice S
87.00
87.00
87.00101.00
101.00
101.00
101.00101.00
101.00126.00
2-Pole Plug-In (Common-Trip 120/240V AC
)®®152025303540455060708090
100110125
MP215MP220
MP225MP230
MP235
MP240MP245
MP250
MP260
MP270MP280
MP290MP2100
MP2110
MP2125
51.0051.0051.0051.0051.0051.0051.0051.0051.00
104.00147.00
147.00147.00
286.00286.00
MP215KHMP220KHMP225KHB
MP230KH
MP235KHB
MP240KHMP245KHB
MP250KH
MP260KHMP270KHB
MP280KHB
MP290KHBMP2100KH
MP2110KHMP2125KH
105.00
105.00150.00
105.00105.00
105.00
105.00
105.00105.00
165.00232.00
232.00
232.00770.00770.00
MP215KMB
MP220KMBMP225KMB
MP230KMBMP235KMB
MP240KMB
MP245KMBMP250KMB
MP260KMB
MP270KMB—
MP290KMBMP2100KM
MP2110KMB
MP2125KM
253.00253.00
253.00
253.00253.00
253.00253.00
253.00
253.00401.00
—
477.00
477.001605.00
1605.00
2-Pole Plug-In (Common-Trip 240V AC)©@®
15203040506070
100
MPH215MPH220
MPH230MPH240B
MPH250
MPH260MPH270B
MPH2100B
144.00
144.00144.00
144.00
144.00144.00
167.00
235.00
—
——————
—
—
——————
—
—
——————
—
——————
—
3-Pole Plug-In (Common-Trip 240V AC)-)'71 i ILOAD
3 SPACES
Wiring Diagrams
Description
120V Shunt Trip
24V Shunt Trip
120V Auxiliary Switch
24V Auxiliary Switch
1-Pole Padlocking Device
2-Pole Padlocking Device
Handle Block
Catalog Number
add suffix...STB
add suffix...ST24VB
add suffix...ASB
add suffix...AS24VB
PLD1
PLD2
BX031HB
Field/Factory Installed
Factory
Factory
Factory
Factory
Field
Field
Field
List Price S
134.00(adder)
134.00(adder)
74.00{adder)
74.00(adder)
7.10
7.20
6.70
Number ofPoles
Number PerSleeve
ShippingWeight (Ibs.)
MP-T/MP-HT/MP-MT
123
1264
444
B Built to order. Allow 2-3 weeks for delivery®UL Listed for use
with 60/75° wire through 125 amps,
HACR rated.
Discount Schedule A
®UL Listed for frequent switching applications 1SWD).120V AC
Fluorescent Lighting.
®UL Listed for use on 3 phase grounded "B" systems —10,000 for
this application.
(BlAand 1B contacts.
2005 Electrical Distribution Products m^tniti2-6
-
Section 2CIRCUIT BREAKERSGeneral/Technical Data
Technical Information 2-2
Catalog Coding System 2-3
Interrupting Ratings 2-4
Lug Data 2-5
Load Center Breakers
Type MP-T, 1-Inch Breakers 2-6
Type MH-T, 1/2-Inch Breakers 2-7
Arc-Fault and Ground Fault Breakers 2-8
Special Application Breakers 2-9
Type MSQ, 3/4-Inch Breakers 2-10
Surge Protection 2-11
Main and Branch Circuit Breakers 2-12
Type MQ, MQH, MQL Breakers 2-13
Panelboard Breakers
Type BL, BLH, HBL, BLF (GFCI) 2-14
Type BLE (GFCI), BL HID, BL Switching Neutral,
BAF (AFCI), BQD, ED4 2-15
Type HED4, ED6, QJ2, QJH2, QJ2H 2-16
Type FXD6, HFD6, JXD2, JXD6, HJD6 2-17
Type LXD6, HLD6, MD6, HMD6, ND6, HND6 2-18
Breaker Accessories
Breaker Enclosures/Enclosed Breakers 2-19-2-20
External Accessories 2-21
Internal Accessories 2-22
General Data
Line Diagrams 2-23
Enclosure Knockout and Wiring Diagrams 2-24
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Circuit BreakersTechnical InformationTime-CurrentCharacteristic
Curves125 Amp MP Frame, Type MP-T,1, 2 & 3 PolesFor application
and coordination purposesonly. Based on 40°C ambient cold
start.Connected with 4 feet of rated wire (75°C)per terminal.
Tested in open air with cur-rent in all poles.
Type MP-T 60 HZ 1-Pole60 HZ 2-Pole60 HZ 3-Pole
120/240 Volts120/240 Volts
240 Volts
1 Pole Instantaneous Trip TableRatingAmperes
Fixed InstantaneousTrip Amperes
15-20 160-21025-40 350-550
45-50 450-700
2 & 3 Pole InstantaneousTrip TableRatingAmperes
Fixed InstantaneousTrip Amperes
15,25-35 350-700
20 450-700
40 350-550
Interrupting RatingSymmetrical RMS AmperesBreakerType 120V
120/240V 240V
1-Pole — 10,000 —
2-Pole — 10,000 —
3-Pole — 10,000Footnotes refer to curve at right.©Single pole
test data at 25°C in accordance with
NEMA standards.0-30 amperes—50 seconds
31-50 amperes—80 seconds©Sample Instantaneous shown (20 Amp 1, 2
& 3 Pole).
For other instantaneous values, see tables above.
Industry and GovernmentSpecificationsMurray circuit breakers
meet or exceed thelatest edition of the following
specifications:
IndustryNEMA—Standard #AB1UL —Standard #489CSA —Standard #C22.1,
No. 5.1
U.S. GovernmentStandard #W-C-375B
60°C/75°C Ampacity RatingMurray circuit breakers rated 125A
andbelow are Listed by UL for use with60°/75°C ampacities. This
listing allows useof smaller wire sizes in many
applications.Consult NEC Article #310 for applicationdetails and
limitations.
Murray Time-Current Characteristic Curves125 AMP MP Frame, Type
MP-T 1, 2 & 3 Poles
CURRENT IN PERCENT OF BREAKER RATING
S S E S S ? * 1 1 1 |il||i i i
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Circuit BreakersCatalog Coding SystemFull-Size Circuit
Breakers
SPECIALTY SUFFIXES
NO. OF POLES
PLUG-INMBK = Main Breaker KitMP = Plug-inMPD = Plug-in
Main/BranchMPH = Plug-in 2P, 240VACMPP = 200A Frame
(4-1" Spaces, Adjacent)MQ = %" FormatMSA = Surge Arrester
BOLTED FRAMEMQJ = QJ2 FrameJX2 = JXD2 FrameJX6 = JXD6 FrameJD6 =
JD6 FrameJD = JD2 FrameLD6 = LD6 FrameLX6 = LXD6 FrameLD = LD2
FrameMD = MD6 FrameIMD = ND6 Frame
MP2200GFL
AFAS24VASEGGFHIDKHKMKPNARRHRMSNSTST24VTWH
= Arc-Fault Circuit Interrupter= 24V Auxiliary Switch= 120V
Auxiliary Switch= Equipment Ground= Ground Fault Circuit
Interrupter: High-Intensity Discharge= 22KAIC: 65KAIC= 100KAIC=
Molded Case Switch= Reverse Handle Operation= 22KAIC Reverse Handle
Operation= 65KAIC Reverse Handle Operation= Switched Neutral= 120V
Shunt Trip= 24V Shunt Trip= Tungsten= Water Heater
AMPSReads DirectFor all Ratings
Half-Size Circuit BreakersMP = Riveted Duplex
DUPLEXAMPS15/1515/2020/2020/3030/30
CAT. NO.15151520202020303030
MP1515N N = Non CTL DuplexCT2 = Common-Trip
TRIPLEXAMPS
OUTSIDE INSIDEPOLES POLES®
151515151520202020
152030405020304050
CAT.NO.
215152201523015240152501522020230202402025020
® Inside poles are common trip.
QUADPLEXAMPS
OUTSIDE INSIDEPOLES POLES
1520304030404030
1520202030304050
CAT.NO.
215215220220220230220240230230230240240240250230
Wrtiiuu 12003 Electrical Distribution Products2-3
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Circuit BreakersLug Data
Circuit Breaker Type
MP-T, MP-HT, MP-MT
MH-T
MP-GT, MP-HGT, MP-ET, MP-HET
MP-AT, MP-HAT
MSQ
MD-T, MD-HT, MD-MT, MD-PT, MD-TR,MD-HTR, MD-MTR, MD-PTRM1
M2
MPP-T, MPP-HT, MPP-MT, MPP-PT
ED-A, ED-HA
QJ2, QJH2, QJ2H
FXD6, HFD6
JXD2, JXD6, HJD6LXD6, HLD6MD6, HMD6ND6, HND6
Circuit BreakerAmpere Rating
LOAD SIDE
15-20
25-35
40-50
55-70
80-100
110-125®
15-35
40
40-50
15-30
40-60
15-20
15-20
15-20
25-35
40-60
150-200
100
125
150
200
225
125
150
175
200
225
125-200
60-225
70-250
250-600
500-800
800-1200
Cables PerConnector
111111
1111
11
1
1
1111111112
1
1111
1
1
1
1
1
1
1111111111
1
1
1
2
3
4
ConnectorWire Range
#14-#8 AWGCu#12-#8AWG Al#14-#6AWG Cu#14-#6AWG Al
#8-#6 AWG Cu#8-#4 AWG Al#8-#4 AWG Cu#8-#2 AWG Al
#4-#1/0 AWG Cu#2-#1/0 AWG Al#2-#1/0 AWG Cu#1/0-#2/0 AWG Al
#14-#8AWG Cu
#12-#8AWG Al
#8 AWG CU-AI#8-#6 AWG Cu#8-#4 AWG Al#14-#10 AWG Cu#12-#8AWG
Al#8-#6 AWG Cu#8-#4 AWG Al#14-#12 AWGCu#12-#10 AWG Al#14-#8 AWG Cu
Only#14-#12 AWGCu#12-#10 AWG Al#10-#8AWG Cu#10-#6AWG Al#8-#6 AWG
Cu#8-#4 AWG Al
#1-300kcmil Cu-AI
#4-3/0 AWG Cu-AI
#4-3/0 AWG Cu-AI
#1-300kcmil Cu-AI
#1-300kcmil Cu-AI
#1-300kcmil Cu-AI
#1 AWG Cu#2/0 AWG Al#1/0 AWG Cu#3/0 AWG Al#2/0 AWG Cu#4/0 AWG
Al#3/0 AWG Cu250kcmil AWG Al#4/0 AWG CuSOOkcmil AWG Al
#2-300kcmil Cu-AI
#6-300kcmil Cu#4-300kcmil Al
#6-350kcmil Cu#4-350kcmil Al
3/0-500kcmil Cu4/0-500kcmil Al
#1-500kcmil Cu-AI
250-500kcmil Cu-AI
2003 Electrical Distribution Products
2-5
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Circuit BreakersLine Diagrams
+- 2"
LnJ1-Pole
n n2-Pole
—3"-
f-23/81'
1
n n
3-Pole
3V;
Type MP-T, MP-HT, MP-MT
1-Pole(1" Wide)2-Pole(2"Wide)
3.00 -
Type MP-GT, MP-HGT, MP-ET, MP-HET
e
- :,7Bi~-2JCO-
fe
.239 7X31D
?,67g
,7B3
_L
Type Ml
Ft USD
- CT a.wfl -
® ® ®
E4"f
Type M2
-3"-
O O O
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