1. Home / 
  2. square d breaker

SORT BY
Limited Stock
PB3700
PB3700
Westinghouse - Insulated Case
PB3700, Cutler Hammer, Eaton, Westinghouse, PB Series, type , 3P, 3PH, 700A, 600V, 100kA@480V, Bolt-On, complete with interchangeable trip, LI - Long-Time and Instantaneous trip functions, Thermal Magnetic, insulated case circuit breakers, these breakers are now obsolete; however, we do still stock them
From Get Price
Limited Stock
T4H100TW-4
T4H100TW-4
ABB - Molded Case
T4H100TW-4, ABB, SACE Tmax, type , 4P, 3PH, 100A, 600V, 65kA@480V, 70kA@415V, Bolt-On, suitable for reverse feed applications, non-interchangeable trip, LI - Long-Time and Instantaneous trip functions, load side lug terminals, Thermal Magnetic, molded case circuit breakers
From Get Price
Limited Stock
PDG11C0015TFFJ
PDG11C0015TFFJ
Eaton - Molded Case
PDG11C0015TFFJ, Cutler Hammer, Eaton, Power Defense, type , 1PH, 1P, 600V, 15A, 18kA@480V, Feed-Thru, 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
GNC2125T36WP01
GNC2125T36WP01
Cutler Hammer - Molded Case
GNC2125T36WP01, Cutler Hammer, Series G, type , 1250A frame, 2P, 1PH, 600V, 100kA@480V, very high interrupting capacity, Bolt-On, complete with Digitrip RMS 310 trip, LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault trip functions, 1250A fixed rating plug, lugs not included, Solid State electronic, molded case circuit breakers
From Get Price
Limited Stock
MDN4083LEA0422NMNCNECNNCX
MDN4083LEA0422NMNCNECNNCX
Cutler Hammer - Insulated Case
MDN4083LEA0422NMNCNECNNCX, Cutler Hammer, Magnum DS, type , drawout mounted, narrow frame with factory installed block close PB metal frame padlockable pushbutton cover, 3P, 3PH, 800A, 400A current sensors and rating plugs, 600V, 42kA@600V, 40°C, Bolt-On, manually operated, complete with factory installed 24Vdc UVR, interchangeable Digitrip 220, LI - Long-Time and Instantaneous trip functions, load side lug terminals, Solid State, low voltage power insulated case circuit breakers, shipped in drawout narrow cassettes, without shutters, unwired
From Get Price
Limited Stock
PDG33FH400D4WN
PDG33FH400D4WN
Eaton - Molded Case
PDG33FH400D4WN, Cutler Hammer, Eaton, Power Defense, type , 3PH, 3P, 600V, 400A, High Override, 25kA@480V, Bolt-On, no lug terminals, complete with PXR20D trip with ARMS LSI - Long-Time, Short-Time and Instantaneous trip functions and Modbus RTU, ZSI & relays, Solid State electronic, molded case circuit breakers; CSA, IEC, UL, CCC certifications
From Get Price
Limited Stock
MDN4083LEA0622NMNCNNNLCWX
MDN4083LEA0622NMNCNNNLCWX
Cutler Hammer - Insulated Case
MDN4083LEA0622NMNCNNNLCWX, Cutler Hammer, Magnum DS, type , drawout mounted, narrow frame, 3P, 3PH, 800A, 600A current sensors and rating plugs, 600V, 42kA@600V, 40°C, Bolt-On, manually operated, complete with factory installed 24Vdc UVR, interchangeable Digitrip 220, LI - Long-Time and Instantaneous trip functions, operations counter, Castell 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, with shutters, pre-wired
From Get Price
Limited Stock
GRH320T92WP49
GRH320T92WP49
Cutler Hammer - Molded Case
GRH320T92WP49, Cutler Hammer, Series G, type , 3P, 3PH, 2000A, 690V, 70kA@415V, high interrupting capacity, Bolt-On, complete with Digitrip RMS 910 trip, LSI - Long-Time, Short-Time and Instantaneous trip functions, rating plug and line & load side lug terminals, Solid State electronic, molded case circuit breakers
From Get Price
Limited Stock
XT5SU340ATFF000XXX
XT5SU340ATFF000XXX
ABB - Molded Case
XT5SU340ATFF000XXX, ABB, SACE Tmax XT, type , 3PH, 3P, 600V, 400A, 50kA@480V, Bolt-On, front terminals, complete with Ekip Hi-Touch with LSI - Long-Time, Short-Time and Instantaneous trip functions, Ekip Hi-Touch LSI electronic, molded case circuit breakers; 1SDA102681R1 + 1SDA102737R1 global reference
From Get Price
Limited Stock
MDN4083LEA0622NMNR2ENYMCX
MDN4083LEA0622NMNR2ENYMCX
Cutler Hammer - Insulated Case
MDN4083LEA0622NMNR2ENYMCX, Cutler Hammer, Magnum DS, type , drawout mounted, narrow frame, 3P, 3PH, 800A, 600A current sensors and rating plugs, 600V, 42kA@600V, 40°C, 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, operations counter, Kirk key interlock, load side lug terminals, Solid State, low voltage power insulated case circuit breakers, shipped in drawout narrow cassettes, without shutters, unwired
From Get Price
Limited Stock
PB2800T
PB2800T
Westinghouse - Trip Units And Programmers
PB2800T, Westinghouse, PB Series, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 800A, suitable for PB 2500A molded case circuit breaker frame types, Thermal Magnetic trip units and programmers & circuit breakers; these trip units are obsolete; however we do still stock them
From Get Price
Limited Stock
WLH1D320LF
WLH1D320LF
Siemens - Insulated Case
WLH1D320LF, Siemens, WL Series, type , frame size I, drawout, 3P, 3PH, 2000A, 600V, 85kA@480V, UL listed, standard interrupting capacity, Draw-Out, complete with solid state ETU745 programmer + WLLCD48 LCD display + WLGFA48 ground fault module, LSIGA - Long-Time, Short-Time, Instantaneous and Ground Fault Alarm trip functions and 630A rating plug, Solid State electronic, low voltage insulated case circuit breakers
From Get Price
Limited Stock
PDG33F0125TFAJ
PDG33F0125TFAJ
Eaton - Molded Case
PDG33F0125TFAJ, Cutler Hammer, Eaton, Power Defense, type , 3PH, 3P, 600V, 125A, 25kA@480V, Feed-Thru, line & load side lug terminals, 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
MDN4083LEA0622NMNGNEMNDWX
MDN4083LEA0622NMNGNEMNDWX
Cutler Hammer - Insulated Case
MDN4083LEA0622NMNGNEMNDWX, Cutler Hammer, Magnum DS, type , drawout mounted, narrow frame with factory installed metal padlockable pushbutton cover, 3P, 3PH, 800A, 600A current sensors and rating plugs, 600V, 42kA@600V, 40°C, Bolt-On, manually operated, complete with factory installed 32Vdc UVR, 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, shipped in drawout narrow cassettes, with shutters, pre-wired
From Get Price
Limited Stock
MDN4083LEA0222NMNRNYCNNWX
MDN4083LEA0222NMNRNYCNNWX
Cutler Hammer - Insulated Case
MDN4083LEA0222NMNRNYCNNWX, Cutler Hammer, Magnum DS, type , drawout mounted, narrow frame with factory installed block close PB metal frame padlockable pushbutton cover, 3P, 3PH, 800A, 200A current sensors and rating plugs, 600V, 42kA@600V, 40°C, Bolt-On, manually operated, complete with factory installed 208-240Vac UVR, interchangeable Digitrip 220, LI - Long-Time and Instantaneous trip functions, 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
3VA9978-0LB32
3VA9978-0LB32
Siemens - Shunt Trip
3VA9978-0LB32, Siemens SENTRON 3VA shunt trip
From Get Price
Limited Stock
LCL3250V
LCL3250V
Cutler Hammer - Molded Case
LCL3250V, Cutler Hammer, Current Limit-R, type , 3P, 3PH, 250A, 600V, 200kA@480V, current limiting, Bolt-On, non-fused, ambient compensated rated for 50deg, comes complete with 2LCL250 rating plug, and load side lug terminals, non-interchangeable trip, LS - Long-Time and Short-Time trip functions, Solid State electronic, molded case circuit breakers; these breakers are now obsolete, however we do still stock them
From Get Price
In Stock
MD2300W
MD2300W
Westinghouse - Molded Case
MD2300W, Westinghouse, Cutler Hammer, Eaton, Series C, type , 2P, 1PH, 300A, 600V, 50kA@480V, standard interrupting capacity, 40°C, Bolt-On, complete with interchangeable LI - Long Time and Instantaneous trip functions,lug terminals not included, Thermal Magnetic molded case circuit breakers
From $3,326.23
Limited Stock
MDN4083LEA0822NMNF2ENKCCX
MDN4083LEA0822NMNF2ENKCCX
Cutler Hammer - Insulated Case
MDN4083LEA0822NMNF2ENKCCX, 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 220-250Vdc UVR, 2A/2B auxiliary switch, interchangeable Digitrip 220, LI - Long-Time and Instantaneous trip functions, Kirk keylock, load side lug terminals & latch check switch for external wiring, Solid State, low voltage power insulated case circuit breakers, shipped in drawout narrow cassettes, without shutters, unwired
From Get Price
Limited Stock
DK-25-MO-DO-LSG
DK-25-MO-DO-LSG
Westinghouse - Air
DK-25-MO-DO-LSG, Westinghouse, DK Series, type , 600A frame size, manually operated/Draw-Out, 3P, 3PH, 50-600A current sensor rating, 600V, 30kA@480V, originally supplied with oil dashpot or thermal-magnetic trip device but can be retrofitted with a modern Solid State electronic trip unit with LSG - Long-Time, Short-Time and Ground Fault trip functions, low voltage power air circuit breakers
From Get Price
Limited Stock
PDG62P1600E2MM
PDG62P1600E2MM
Cutler Hammer - Molded Case
PDG62P1600E2MM, Eaton, Cutler Hammer, Power Defense, type , 1PH, 2P, 600V, 1600A, 100kA@480V, Bolt-On, no terminals with metric tapped conductors, complete with PXR20 trip with LSI - Long-Time, Short-Time and Instantaneous trip functions with relays and modbus option, Solid State electronic, molded case circuit breakers; globally rated
From Get Price
Limited Stock
MDN4083LEA0522NMNXNNNANWX
MDN4083LEA0522NMNXNNNANWX
Cutler Hammer - Insulated Case
MDN4083LEA0522NMNXNNNANWX, Cutler Hammer, Magnum DS, type , drawout mounted, narrow frame, 3P, 3PH, 800A, 250A 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, operations counter, load side lug terminals & mechanical trip indicator, Solid State, low voltage power insulated case circuit breakers, shipped in drawout narrow cassettes, with shutters, pre-wired
From Get Price
Limited Stock
PDG33K0400E4RN
PDG33K0400E4RN
Cutler Hammer - Molded Case
PDG33K0400E4RN, Cutler Hammer, Eaton, Power Defense, type , 3PH, 3P, 600V, 400A, 50kA@480V, Bolt-On, no lug terminals, complete with PXR20 trip with ARMS LSI - Long-Time, Short-Time and Instantaneous trip functions, Solid State electronic, molded case circuit breakers; CSA, IEC, UL, CCC certifications
From Get Price
Limited Stock
T3S150TW-4
T3S150TW-4
ABB - Molded Case
T3S150TW-4, ABB, SACE Tmax, type , 4P, 3PH, 150A, 600V, 35kA@480V, 50kA@415V, Bolt-On, suitable for reverse feed applications, non-interchangeable trip, LI - Long-Time and Instantaneous trip functions, load side lug terminals, Thermal Magnetic, molded case circuit breakers
From Get Price