1. Home / 
  2. square d breaker

SORT BY
Limited Stock
NMKB100TC3W
NMKB100TC3W
Siemens - Molded Case
NMKB100TC3W, Siemens, Mining Service, type , 3P, 3PH, 1000A, 1000V, mining duty rated, 25kA@1000V, standard interrupting capacity, Bolt-On, complete with interchangeable trip, LI - Long-Time and Instantaneous trip functions, lugs not included, trailing cable high range, magnetic range 1250-2500A, Thermal Magnetic, Mining Service molded case circuit breakers
From Get Price
Limited Stock
NGC412032M
NGC412032M
Eaton - Molded Case
NGC412032M, Cutler Hammer, Eaton, Series G, type , P, 3PH, A, V, , very high interrupting capacity, Bolt-On, complete with Digitrip RMS 310+ trip, trip functions and metric tapped line/load conductors, lugs not included, electronic, molded case circuit breakers
From Get Price
Limited Stock
MPA32F4003030
MPA32F4003030
General Electric - Insulated Case
MPA32F4003030, General Electric, M-PACT, type , frame size 2, manually operated, 5 N.O- 3 N.C. Auxiliary switches, 110/130V dc/ac motor operator and 110/130V dc/ac shunt trip, 3P, 3PH, 4000A, 690V, 50kA@415V, fixed/Bolt-On, NA - No Overcurrent Protection, Non-Automatic switch, insulated case circuit breakers
From Get Price
Limited Stock
HNB310000TMV
HNB310000TMV
Westinghouse - Trip Units And Programmers
HNB310000TMV, Westinghouse, MARK 75, type , interchangeable trip unit with I - Instantaneous trip functions, front adjustable, rated for 1200A, 50°C, suitable for NB,HNB,NBY 1200A molded case circuit breaker frame types, magnetic trip range 5000-10000A, Magnetic Only trip units and programmers & circuit breakers; these trip units are obsolete; however we do still stock them
From Get Price
Limited Stock
SSB4G614U
SSB4G614U
General Electric - Insulated Case
SSB4G614U, General Electric, Power Break II, type , 3P, 3PH, 600V, 2000A current sensor rating, 65kA@480V, standard interrupting capacity, Bolt-On, back connected, 2500A frame rating, complete with Entelliguard trip, LSIGA - Long-Time, Short-Time, Instantaneous and Ground Fault Alarm trip functions, current metering, RELT & ZSI features and 1600A rating plug, Solid State electronic, insulated case circuit breakers, suitable for use with Power Break II switchgear systems
From Get Price
Limited Stock
MDN4083LEA0122NMNJNENKNPX
MDN4083LEA0122NMNJNENKNPX
Cutler Hammer - Insulated Case
MDN4083LEA0122NMNJNENKNPX, Cutler Hammer, Magnum DS, type , drawout mounted, narrow frame, 3P, 3PH, 800A, 100A current sensors and rating plugs, 600V, 42kA@600V, 40°C, Bolt-On, manually operated, complete with factory installed 480Vac UVR, interchangeable Digitrip 220, LI - Long-Time and Instantaneous trip functions, Kirk keylock, load side lug terminals, Solid State, low voltage power insulated case circuit breakers, shipped in drawout narrow cassettes, without shutters, pre-wired
From Get Price
Limited Stock
PDD22G0020VFFN
PDD22G0020VFFN
Eaton - Molded Case
PDD22G0020VFFN, Eaton, Cutler Hammer, Power Defense, type , 50ºC, 1PH, 2P, 240V, 20A, 65kA@240V, Bolt-On, lugs not included, complete with LI - Long-Time and Instantaneous trip functions, Thermal Magnetic, molded case circuit breakers; IEC certification; non-UL listed
From Get Price
Limited Stock
NZMN3-VE400-BT
NZMN3-VE400-BT
Klockner Moeller - Molded Case
NZMN3-VE400-BT, Eaton, Klockner Moeller, NZM3 Series, type , 3P, 3PH, 690V, 400A, 50kA@415V, normal switching capacity, Bolt-On/fixed mounting, with box terminals, Thermal Magnetic, molded case circuit breakers, IEC rated/UL listed
From Get Price
Limited Stock
HRD63B160
HRD63B160
Siemens - Molded Case
HRD63B160, Siemens, Sentron Series, type , 3P, 3PH, 1600A, 600V, 65kA@480V, high interrupting capacity, 40ºC, Feed-Thru, complete with interchangeable trip unit and line & load side lug terminals, Thermal Magnetic molded case circuit breakers
From Get Price
Limited Stock
PDG23P0050TFFL
PDG23P0050TFFL
Eaton - Molded Case
PDG23P0050TFFL, Cutler Hammer, Eaton, Power Defense, type , 3PH, 3P, 600V, 50A, 100kA@480V, Bolt-On, load side terminals only, complete with LI - Long-Time and Instantaneous trip functions, Thermal Magnetic, molded case circuit breakers; CSA, IEC, UL, CCC certifications
From Get Price
Limited Stock
SHF4G6A7M
SHF4G6A7M
General Electric - Insulated Case
SHF4G6A7M, General Electric, Power Break II, type , 3P, 3PH, 600V, 2000A current sensor rating, 100kA@480V, high interrupting capacity, Bolt-On, front connected, 2500A frame rating, complete with Entelliguard trip, LSHG - Long-Time, Short-Time, High-Range Instantaneous and Ground Fault trip functions, current metering & RELT features and 750A rating plug, Solid State electronic, insulated case circuit breakers, suitable for use with Power Break II switchgear systems
From Get Price
Limited Stock
MDN4083LEA0422NMNK2NNYCPX
MDN4083LEA0422NMNK2NNYCPX
Cutler Hammer - Insulated Case
MDN4083LEA0422NMNK2NNYCPX, Cutler Hammer, Magnum DS, type , drawout mounted, narrow frame, 3P, 3PH, 800A, 400A current sensors and rating plugs, 600V, 42kA@600V, 40°C, Bolt-On, manually operated, complete with factory installed 600Vac UVR, 2A/2B auxiliary switch, interchangeable Digitrip 220, LI - Long-Time and Instantaneous trip functions, operations counter, Kirk key interlock, load side lug terminals, mechanical trip indicator & latch check switch for external wiring, Solid State, low voltage power insulated case circuit breakers, shipped in drawout narrow cassettes, without shutters, pre-wired
From Get Price
Limited Stock
PDF63M2000E4RN
PDF63M2000E4RN
Cutler Hammer - Molded Case
PDF63M2000E4RN, Eaton, Cutler Hammer, Power Defense, type , 3PH, 3P, 600V, 2000A, 65kA@480V, Bolt-On, no terminals, complete with PXR20 trip with LSI - Long-Time, Short-Time and Instantaneous with ARMS trip functions and relays option, Solid State electronic, molded case circuit breakers; globally rated with 100% UL rating
From Get Price
Limited Stock
MDN4083LEA0322NMNR2ENNCPX
MDN4083LEA0322NMNR2ENNCPX
Cutler Hammer - Insulated Case
MDN4083LEA0322NMNR2ENNCPX, Cutler Hammer, Magnum DS, type , drawout mounted, narrow frame, 3P, 3PH, 800A, 300A current sensors and rating plugs, 600V, 42kA@600V, 40C, Bolt-On, manually operated, complete with factory installed 208-240Vac UVR, 2A/2B auxiliary switch, interchangeable Digitrip 220, LI - Long-Time and Instantaneous trip functions, load side lug terminals & latch check switch for external wiring, Solid State, low voltage power insulated case circuit breakers, without shutters, pre-wired
From Get Price
In Stock
MBKQJ3150
MBKQJ3150
Siemens - Molded Case
MBKQJ3150, Siemens, MBK Series, main breaker kit with 3P QJ2 150A breaker, 3PH, 240V, 10kA@240V, standard interrupting capacity, Bolt-On, includes main breaker & mounting hardware kit, for use in Sentron P1 panelboards
From $1,614.82
Limited Stock
SHD2G5E4K
SHD2G5E4K
General Electric - Insulated Case
SHD2G5E4K, General Electric, Power Break II, type , 3P, 3PH, 600V, 1600A current sensor rating, 100kA@480V, high interrupting capacity, Draw-Out, 1600A frame rating, complete with Entelliguard trip, LSIGA - Long-Time, Short-Time, Instantaneous and Ground Fault Alarm trip functions, full metering, RELT & modbus communication features and 600A rating plug, Solid State electronic, insulated case circuit breakers, suitable for use with Power Break II switchgear systems
From Get Price
Limited Stock
PDG33N0600E3ZN
PDG33N0600E3ZN
Cutler Hammer - Molded Case
PDG33N0600E3ZN, Eaton, Cutler Hammer, Power Defense, type , 3PH, 3P, 600V, 600A, 100kA@480V, Bolt-On, no lug terminals, complete with PXR20 trip with LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault trip functions with ZSI & relays, Solid State electronic, molded case circuit breakers; CSA, IEC, UL, CCC certifications
From Get Price
Limited Stock
MDN4083LEA0822NMNE4YNAMWX
MDN4083LEA0822NMNE4YNAMWX
Cutler Hammer - Insulated Case
MDN4083LEA0822NMNE4YNAMWX, Cutler Hammer, Magnum DS, type , drawout mounted, narrow frame, 3P, 3PH, 800A, 800A current sensors and rating plugs, 600V, 42kA@600V, 40°C, Bolt-On, manually operated, complete with factory installed 110-125Vdc UVR, 4A/4B auxiliary switch, interchangeable Digitrip 220, LI - Long-Time and Instantaneous trip functions, operations counter, load side lug terminals, mechanical trip indicator & OTS switch, Solid State, low voltage power insulated case circuit breakers, shipped in drawout narrow cassettes, with shutters, pre-wired
From Get Price
Limited Stock
140D150H01
140D150H01
Westinghouse - Primary Current Part
140D150H01, Eaton, Westinghouse, Cutler Hammer, DS Series, molded base, included in 3 pole unit assembly, qty 1 needed per breaker, for use with Manual/Electric, suitable for DS-206, DSL-206 low voltage power air breakers
From Get Price
Limited Stock
HJX2B250L
HJX2B250L
Siemens - Molded Case
HJX2B250L, Siemens, VL Series, Type , 2P, 1PH, 250A, 600V, 65kA@480V, high interrupting capacity, 40°C, Feed-Thru, complete with non-interchangeable trip unit and line & load side lug terminals, suitable for reverse fed applications, Thermal Magnetic molded case circuit breakers
From Get Price
Limited Stock
PDG33M0125D3MJ
PDG33M0125D3MJ
Eaton - Molded Case
PDG33M0125D3MJ, Eaton, Cutler Hammer, Power Defense, type , 3PH, 3P, 600V, 125A, 65kA@480V, Feed-Thru, line & load side lug terminals, complete with PXR20D trip with LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault trip functions and Modbus RTU & relays, Solid State electronic, molded case circuit breakers; CSA, IEC, UL, CCC certifications
From Get Price
Limited Stock
MPA41F16V0120
MPA41F16V0120
General Electric - Insulated Case
MPA41F16V0120, General Electric, M-PACT, type , frame size 1, manually operated, with 5 N.O.-3 N.C. Auxiliary switches, Mpro-50L trip unit, 24/30V dc closing coil and 48V dc shunt trip, 4P, 3PH, 1600A, 690V, 50kA@415V, Bolt-On, LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault trip functions, Solid State electronic, insulated case circuit breakers
From Get Price
Limited Stock
MDN4083LEA03CCNMNNNENNNAX
MDN4083LEA03CCNMNNNENNNAX
Cutler Hammer - Insulated Case
MDN4083LEA03CCNMNNNENNNAX, Cutler Hammer, Magnum DS, type , drawout mounted, narrow frame, 3P, 3PH, 800A, 300A current sensors and rating plugs, 600V, 42kA@600V, Bolt-On, manually operated, complete with interchangeable Digitrip 520MC, LSIGA - Long-Time, Short-Time, Instantaneous and Ground Fault Alarm trip functions, 120Vac trip unit power supply voltage, ground alarm, load side lug terminals, Solid State electronic, low voltage power insulated case circuit breakers
From Get Price
Limited Stock
MDN4083LEA0122NMNX4NHNMCX
MDN4083LEA0122NMNX4NHNMCX
Cutler Hammer - Insulated Case
MDN4083LEA0122NMNX4NHNMCX, Cutler Hammer, Magnum DS, type , drawout mounted, narrow frame with factory installed block close PB plastic frame padlockable pushbutton cover, 3P, 3PH, 800A, 100A current sensors and rating plugs, 600V, 42kA@600V, 40°C, Bolt-On, manually operated, complete with factory installed 380-415Vac UVR, interchangeable Digitrip 220, LI - Long-Time and Instantaneous trip functions, load side lug terminals, 4A/4B auxiliary switch & mechanical trip indicator, Solid State, low voltage power insulated case circuit breakers, shipped in drawout narrow cassettes, without shutters, unwired
From Get Price