CIRCUIT BREAKERS...CIRCUIT BREAKERS TECHNICAL INFORMATION Qg Time-Current Characteristic Curves 125...
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CIRCUIT BREAKERS PLUG-IN TYPE HALF-SIZE 10,000 AIC Qg MP2020 MP250230 Duplex, 2 Independent Poles, 120/240V AC nypeMH-T) Approx. Std. Wgt. Lbs. Catalog List Sleeve/ Sleeve/ Wire Range Amps Symb. Number Price $ Carton Carton Cu Al 15 & 15 Fig-1 MP1515 43.50 12/48 5/20 #14-#8 #12-#8 15&15 MP1515N (Non-CTL) 56.00 12/48 5/20 15&20 MP1520 43.50 12/48 5/20 20 & 20 MP2020 43.50 12/48 5/20 20&20 MP2020N (Non-CTL) 56.00 12/48 5/20 20&30 MP2030 43.50 12/48 5/20 #14-#6 #12-#6 30&30 MP3030 43.50 12/48 5/20 Triplex, 2 Independent Poles & 2 Common Trip Poles 120/240 VAC® (Type MH-T) . Approx. AmpS Std. Wgt. Lbs. Outside Common Catalog List Sleeve/ Sleeve/ vvire nange Poles® Trip Poles® Symb. Number Price $ Carton Carton Cu Al 15 15 Fig-2 MP21515 85.00 6/24 5/20 #14-#8 #12-#8 15 20 MP22015 85.00 6/24 5/20 15 30 MP23015 85.00 6/24 5/20 #14-#6 #12-#6 15 40 MP24015 85.00 6/24 5/20 #8-#6 #8-#4 . 15 50 MP25015 85.00 6/24 5/20 20 20 MP22020 85.00 6/24 5/20 #14-#8 #12-#8 20 30 MP23020 85.00 6/24 5/20 #14-#6 #12-#6 The Murray half-size circuit breaker is based on YJ" per pole, and is manufactured either as two independent poles (1"), or four poles, (2"). These combinations fit in one or two standard 1" load center spaces, provided the load center stab is notched to accept the 'A" per pole breaker. Duplex Duplex breakers combine two independent 14" breaker poles in a common unit. This unit plugs onto one load center stab, and occupies 1" of space. Triplex These circuit breakers provide a two-pole common trip breaker for 120/240V AC circuits and two single poles for 120V AC circuits. Triplex requires two panel spaces. Wire range is lug capacity. MH-T breakers are UL Listed for use with 60°C or 75°C wire. Consult 60°C or 75°C columns in 1996 NEC table #310 for specific wire sizes. Accessories—See page CB-12. Quadplex Quadplex breakers provide two sets of handle- tied, two-pole breakers for 120/240V AC circuits. Quadplex breakers require two panel spaces. Wire range is lug capacity. MH-T breakers are UL Listed for use with 60°C or 75°C wire. Consult 60°C or 75°C columns in 1996 NEC table #310 for specific wire sizes. Accessories—See page CB-12. ® All circuit breakers are UL Listed "HACR" for use on heating, air conditioning, and refrigeration multi-motor applications per 1996 NEC article #430-53. 20 40 MP24020 85.00 6/24 5/20 #8-#6 #8-#4 20 50 MP25020 85.00 6/24 5/20 Quadplex, 2 Non Common-Trip Outside Poles & 2 Non Common-Trip Inside Poles 120/240V AC® nvpeMH-T) Approx. PS Std. Wgt. Lbs. Outside Inside Catalog List Sleeve/ Sleeve/ Wire Kange Poles Poles Symb. Number Price S Carton Carton Cu Al 15 15 Fig-3 MP215215 85.00 6/24 5/20 #14-#8 #12-#8 20 20 MP220220 85.00 6/24 5/20 30 20 MP220230 85.00 6/24 5/20 #14-#6 #12-#6 40 20 MP220240 85.00 6/24 5/20 #8-#6 #8-#4 30 30 MP230230 85.00 6/24 5/20 #14-#6 #12-#6 40 30 MP230240 85.00 6/24 5/20 #8-#6 #8-#4 40 40 MP240240 85.00 6/24 5/20 30 50 MP250230 85.00 6/24 5/20 Quadplex, 2 Common-Trip Outside Poles & 2 Common-Trip Inside Poles 120/240V AC® nvpeMH-Ti Approx. PS Std. Wgt. Lbs. Outside Inside Catalog List Sleeve/ Sleeve/ vnre nange Poles Poles Symb. Number Price S Carton Carton Cu Al 15 15 Fig-4 MP215215CT2 89.00 6/24 5/20 #14-#8 #12-#8 20 20 MP220220CT2 89.00 6/24 5/20 30 20 MP220230CT2 89.00 6/24 5/20 #14-#6 #12-#6 40 20 MP220240CT2 89.00 6/24 5/20 #8-#6 #8-#4 30 30 MP230230CT2 89.00 6/24 5/20 #14-#6 #12-#6 40 30 MP230240CT2 89.00 6/24 5/20 #8-#6 #8 #4 40 40 MP240240CT2 89.00 6/24 5/20 30 50 MP250230CT2 89.00 6/24 5/20 Figure 1 Figure 2 Figures Figure 4 " NE Y LINE Y Y. LINE Y. Y UNE Y VS Sk'TK ^K^ "TWA U ?8? ?8? ???? 1SMCE "PACES 2S L p° A A C D ES 2S L ° A A C D ES @Two outside poles. ©Contact your local Murray sales office for availability. ®Two inside poles. 5 | (HpRCUIT BREAKERS Discount Schedule "A'
Transcript of CIRCUIT BREAKERS...CIRCUIT BREAKERS TECHNICAL INFORMATION Qg Time-Current Characteristic Curves 125...
CIRCUIT BREAKERSPLUG-IN TYPE HALF-SIZE 10,000 AIC Qg
MP2020
MP250230
Duplex, 2 Independent Poles, 120/240V AC nypeMH-T)Approx.
Std. Wgt. Lbs.Catalog List Sleeve/ Sleeve/ Wire Range
Amps Symb. Number Price $ Carton Carton Cu Al
15 & 15 Fig-1 MP1515 43.50 12/48 5/20 #14-#8 #12-#815&15 MP1515N (Non-CTL) 56.00 12/48 5/2015&20 MP1520 43.50 12/48 5/2020 & 20 MP2020 43.50 12/48 5/2020&20 MP2020N (Non-CTL) 56.00 12/48 5/20
20&30 MP2030 43.50 12/48 5/20 #14-#6 #12-#630&30 MP3030 43.50 12/48 5/20
Triplex, 2 Independent Poles & 2 Common Trip Poles120/240 VAC® (Type MH-T). Approx.AmpS Std. Wgt. Lbs.Outside Common Catalog List Sleeve/ Sleeve/ vvire nangePoles® Trip Poles® Symb. Number Price $ Carton Carton Cu Al15 15 Fig-2 MP21515 85.00 6/24 5/20 #14-#8 #12-#815 20 MP22015 85.00 6/24 5/20
15 30 MP23015 85.00 6/24 5/20 #14-#6 #12-#615 40 MP24015 85.00 6/24 5/20 #8-#6 #8-#4 .15 50 MP25015 85.00 6/24 5/20
20 20 MP22020 85.00 6/24 5/20 #14-#8 #12-#820 30 MP23020 85.00 6/24 5/20 #14-#6 #12-#6
The Murray half-size circuit breaker is basedon YJ" per pole, and is manufactured eitheras two independent poles (1"), or four poles,(2"). These combinations fit in one or twostandard 1" load center spaces, provided theload center stab is notched to accept the'A" per pole breaker.
DuplexDuplex breakers combine two independent14" breaker poles in a common unit. This unitplugs onto one load center stab, and occupies1" of space.
TriplexThese circuit breakers provide a two-polecommon trip breaker for 120/240V AC circuitsand two single poles for 120V AC circuits.Triplex requires two panel spaces.Wire range is lug capacity. MH-T breakersare UL Listed for use with 60°C or 75°C wire.Consult 60°C or 75°C columns in 1996 NECtable #310 for specific wire sizes.Accessories — See page CB-12.
QuadplexQuadplex breakers provide two sets of handle-tied, two-pole breakers for 120/240V ACcircuits. Quadplex breakers require twopanel spaces.Wire range is lug capacity. MH-T breakersare UL Listed for use with 60°C or 75°C wire.Consult 60°C or 75°C columns in 1996 NECtable #310 for specific wire sizes.Accessories — See page CB-12.
® All circuit breakers are UL Listed "HACR" for use onheating, air conditioning, and refrigeration multi-motorapplications per 1996 NEC article #430-53.
20 40 MP24020 85.00 6/24 5/20 #8-#6 #8-#420 50 MP25020 85.00 6/24 5/20
Quadplex, 2 Non Common-Trip Outside Poles & 2 NonCommon-Trip Inside Poles 120/240V AC® nvpeMH-T)
Approx.PS Std. Wgt. Lbs.
Outside Inside Catalog List Sleeve/ Sleeve/ Wire KangePoles Poles Symb. Number Price S Carton Carton Cu Al
15 15 Fig-3 MP215215 85.00 6/24 5/20 #14-#8 #12-#820 20 MP220220 85.00 6/24 5/20
30 20 MP220230 85.00 6/24 5/20 #14-#6 #12-#640 20 MP220240 85.00 6/24 5/20 #8-#6 #8-#4
30 30 MP230230 85.00 6/24 5/20 #14-#6 #12-#6
40 30 MP230240 85.00 6/24 5/20 #8-#6 #8-#440 40 MP240240 85.00 6/24 5/2030 50 MP250230 85.00 6/24 5/20
Quadplex, 2 Common-Trip Outside Poles & 2Common-Trip Inside Poles 120/240V AC® nvpeMH-Ti
Approx.PS Std. Wgt. Lbs.
Outside Inside Catalog List Sleeve/ Sleeve/ vnre nangePoles Poles Symb. Number Price S Carton Carton Cu Al
15 15 Fig-4 MP215215CT2 89.00 6/24 5/20 #14-#8 #12-#820 20 MP220220CT2 89.00 6/24 5/2030 20 MP220230CT2 89.00 6/24 5/20 #14-#6 #12-#6
40 20 MP220240CT2 89.00 6/24 5/20 #8-#6 #8-#430 30 MP230230CT2 89.00 6/24 5/20 #14-#6 #12-#6
40 30 MP230240CT2 89.00 6/24 5/20 #8-#6 #8 #440 40 MP240240CT2 89.00 6/24 5/2030 50 MP250230CT2 89.00 6/24 5/20
Figure 1 Figure 2 Figures Figure 4
"NE Y L I N E Y Y.LINEY. Y U N E Y
V S Sk'TK ^K^ "TWAU ?8? ?8? ????1SMCE "PACES 2S
Lp°AACDES 2S
L°AACDES
@Two outside poles. ©Contact your local Murray sales office for availability.®Two inside poles.
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CIRCUIT BREAKERSTECHNICAL INFORMATION Qg
Time-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 withcurrent in all poles.Type MP-T 60 HZ 1 -Pole 120/240 Volts
60 HZ 2-Pole 120/240 Volts60 HZ 3-Pole 240 Volts
1 Pole Instantaneous Trip TableRating Fixed InstantaneousAmperes Trip Amperes15-20 160-21025-40 350-55045-50 450-700
2 & 3 Pole InstantaneousTrip TableRating Fixed InstantaneousAmperes Trip Amperes15, 25-35 350-70020 450-70040 350-550
Interrupting RatingSymmetrical RMS AmperesBreakerType 120V 120/240V 240V1-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 Rating
Murray Time-Current Characteristic Curves125 AMP MP Frame, Type MP-T 1, 2 & 3 Poles
CURRENT IN PERCENT OF BREAK
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Circuit Breaker UL Type SWDCatalog # . Full size, single pole 1 5&20 amp, UL TypePrefix ULType* MP-T circuit breakers are UL Listed "SWD",
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Murray 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.
MP(150-200A) MD-A, MD-H, MD-T, MD-HTMP(15-125A) MP-T, MP-HT, MP-MT, MG, MWMP(Duplex) MH-TMP(Triplex) MH-TMP(GFCI) MP-GT, MP-HGTMPIAFCI)_____MP-AF, MP-HAF__________*UL Type is shown on circuit breaker label.
for switching duty use on circuits controllingfluorescent lights. (1996 NEC article #240-83d).
HACRAll Murray circuit breakers are UL Listed"HACR" rated for use on heating, airconditioning and refrigeration circuits per1996 NEC article #430-53 (c) (3).
