1. Home / 
  2. square d breaker

SORT BY
Limited Stock
NB3900SV
NB3900SV
Westinghouse - Molded Case
NB3900SV, Westinghouse, NB Series, type , 3P, 3PH, 900A, 600V, 30kA@480V, standard interrupting capacity, Bolt-On, 50°C, complete with interchangeable trip, LI - Long-Time and Instantaneous trip functions, Saf-T-Vue window and load side lug terminals, Thermal Magnetic molded case circuit breakers, these breakers are obsolete; however we do still stock them
From Get Price
Limited Stock
MDN4083LEA0522NMNK4ENHMCX
MDN4083LEA0522NMNK4ENHMCX
Cutler Hammer - Insulated Case
MDN4083LEA0522NMNK4ENHMCX, Cutler Hammer, Magnum DS, type , drawout mounted, narrow frame, 3P, 3PH, 800A, 500A current sensors and rating plugs, 600V, 42kA@600V, 40°C, Bolt-On, manually operated, complete with factory installed 600Vac UVR, 4A/4B auxiliary switch, interchangeable Digitrip 220, LI - Long-Time and Instantaneous trip functions, operations counter, Ronis 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
PDG33PH250D5WK
PDG33PH250D5WK
Cutler Hammer - Molded Case
PDG33PH250D5WK, Cutler Hammer, Eaton, Power Defense, type , 3PH, 3P, 600V, 250A, High Override, 100kA@480V, Bolt-On, line side lug terminals, complete with PXR20D trip with ARMS LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault trip functions and Modbus RTU, ZSI & relays, Solid State electronic, molded case circuit breakers; CSA, IEC, UL, CCC certifications
From Get Price
Limited Stock
REH1L010L
REH1L010L
Miami Breaker - Molded Case
REH1L010L, Miami Breaker, REH Series, type , 1P, 1PH, 10A, 277V, 10kA@277V, standard interrupting capacity, Feed-Thru, complete with I - Instantaneous protection only and line & load side lug terminals, low magnetic range, MCP, motor circuit protectors, Magnetic Only, molded case circuit breakers; these breakers are obsolete, however we still stock them
From Get Price
Limited Stock
PDG32P0600E3RL
PDG32P0600E3RL
Cutler Hammer - Molded Case
PDG32P0600E3RL, Eaton, Cutler Hammer, Power Defense, type , 1PH, 2P, 600V, 600A, 100kA@480V, Bolt-On, load side lug terminals, complete with PXR20 trip with LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault trip functions, Solid State electronic, molded case circuit breakers; CSA, IEC, UL, CCC certifications
From Get Price
Limited Stock
MP08H2-3P-500A-MO-BO-LIG
MP08H2-3P-500A-MO-BO-LIG
Merlin Gerin - Insulated Case
MP08H2-3P-500A-MO-BO-LIG, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 800A frame includes 600A or 800A sensor rating with 500A rating plug, 3P, 3PH, 600V, 100kA@480V, accepts the following programmer/trip unit devices: STR28D, STR28DP, STR38S, STR38P, STR38ST, STR38SW, STR58U, STR58UP, STR58UT, STR58UW, STR68U, AC-PRO-MP, Solid State electronic, insulated case circuit breakers
From Get Price
Limited Stock
PDG23N0030VFFN
PDG23N0030VFFN
Eaton - Molded Case
PDG23N0030VFFN, Cutler Hammer, Eaton, Power Defense, type , 50ºC, 3PH, 3P, 600V, 30A, 85kA@480V, Bolt-On, no terminals, complete with LI - Long-Time and Instantaneous trip functions, Thermal Magnetic, molded case circuit breakers; CSA, IEC, CCC certifications; non-UL listed
From Get Price
Limited Stock
FCV326TE020R2
FCV326TE020R2
General Electric - Molded Case
FCV326TE020R2 General Electric Record Plus, type , FC100 frame, 2P in 3 pole envelope, 1PH, 20A, 600V, 35kA@480V, standard interrupting capacity, Bolt-On, complete with LI - Long-Time and Instantaneous trip functions and load side lug terminals, fixed Thermal Magnetic, molded case circuit breakers
From Get Price
Limited Stock
MDN4083LEA0522NMNANENADWX
MDN4083LEA0522NMNANENADWX
Cutler Hammer - Insulated Case
MDN4083LEA0522NMNANENADWX, 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 110-127Vac UVR, interchangeable Digitrip 220, LI - Long-Time and Instantaneous trip functions, operations counter, 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
HJG3U400L
HJG3U400L
Siemens - Molded Case
HJG3U400L, Siemens, VL Series, type , JG Frame, 3P, 3PH, 400A, 600V, 65kA@480V, high interrupting capacity, Feed-Thru, complete with trip, LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault trip functions and line & load side lug terminals, Digital Solid State Electronic molded case circuit breakers
From Get Price
Limited Stock
SSD4G6H4P
SSD4G6H4P
General Electric - Insulated Case
SSD4G6H4P, General Electric, Power Break II, type , 3P, 3PH, 600V, 2000A current sensor rating, 65kA@480V, standard interrupting capacity, Draw-Out, 2500A frame rating, complete with Entelliguard trip, LSIGA - Long-Time, Short-Time, Instantaneous and Ground Fault Alarm trip functions, full metering, RELT, modbus communication & relays features and 800A rating plug, Solid State electronic, insulated case circuit breakers, suitable for use with Power Break II switchgear systems
From Get Price
Limited Stock
HKB2100TA
HKB2100TA
Westinghouse - Trip Units And Programmers
HKB2100TA, Westinghouse, MARK 75, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 100A, 50°C, suitable for 250A- KB,HKB standard, Saf-T-Vue or MARK 75 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
PDG33F0250P2YK
PDG33F0250P2YK
Cutler Hammer - Molded Case
PDG33F0250P2YK, Eaton, Cutler Hammer, Power Defense, type , 3PH, 3P, 600V, 250A, 25kA@480V, Bolt-On, line side lug terminals, complete with PXR25 trip with LSI - Long-Time, Short-Time and Instantaneous trip functions with Modbus RTU, CAM link, ZSI & relays, Solid State electronic, molded case circuit breakers; CSA, IEC, UL, CCC certifications
From Get Price
Limited Stock
SSB6G9Z2U
SSB6G9Z2U
General Electric - Insulated Case
SSB6G9Z2U, General Electric, Power Break II, type , 3P, 3PH, 600V, 4000A current sensor rating, 100kA@480V, standard interrupting capacity, Bolt-On, back connected, 3000A frame rating, complete with Entelliguard trip, LSI - Long-Time, Short-Time and Instantaneous trip functions, current metering & 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
PDG44G0800E3ZL
PDG44G0800E3ZL
Eaton - Molded Case
PDG44G0800E3ZL, Cutler Hammer, Eaton, Power Defense, type , 3PH, 4P, 600V, 800A, 35kA@480V, Bolt-On, load side lug terminals, complete with PXR20 trip with LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault trip with ARMS functions, relays and ZSI, Solid State electronic, molded case circuit breakers; globally rated
From Get Price
Limited Stock
MDN4083LEA0322NMNX2NNNDWX
MDN4083LEA0322NMNX2NNNDWX
Cutler Hammer - Insulated Case
MDN4083LEA0322NMNX2NNNDWX, 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 380-415Vac UVR, 2A/2B auxiliary switch, interchangeable Digitrip 220, LI - Long-Time and Instantaneous trip functions, 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
JDB2250KW
JDB2250KW
Westinghouse - Molded Case
JDB2250KW, Cutler Hammer, Eaton, Westinghouse, Series C, type , 2P, 1PH, 250A, 600V, standard interrupting capacity, 40°C, Bolt-On, NA - No Overcurrent Protection, complete with non-interchangeable trip unit, without lug terminals, suitable for reverse fed applications, Non-Automatic Switch, molded case circuit breakers
From Get Price
Limited Stock
LJY3X250L
LJY3X250L
Siemens - Molded Case
LJY3X250L, Siemens, VL Series, type , JG Frame, 3P, 3PH, 250A, 600V, 100kA@480V, very high interrupting capacity, current limiting, Feed-Thru, 100% rated, complete with non-interchangeable trip, LIG - Long-Time, Instantaneous and Ground Fault trip functions and line & load side lug terminals, Digital Solid State Electronic molded case circuit breakers
From Get Price
Limited Stock
WLC3D350N
WLC3D350N
Siemens - Insulated Case
WLC3D350N, Siemens, WL Series, type , frame size III, drawout, 3P, 3PH, 5000A, 600V, 150kA@480V, UL listed, very high interrupting capacity, Draw-Out, complete with solid state programmer with LSI - Long-Time, Short-Time and Instantaneous trip functions and 800A rating plug, Solid State electronic, low voltage insulated case circuit breakers
From Get Price
Limited Stock
GNC2800T36WP15
GNC2800T36WP15
Cutler Hammer - Molded Case
GNC2800T36WP15, Cutler Hammer, Series G, type , 800A 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, 500A fixed rating plug, lugs not included, Solid State electronic, molded case circuit breakers
From Get Price
Limited Stock
TDOS16E
TDOS16E
General Electric - Cubicles (Cradles)
TDOS16E, General Electric, Power Break I, cubicles (cradles), electric draw-out breaker substructures, suitable for draw-out style 1600A frame Power Break I insulated case circuit breakers
From Get Price
Limited Stock
SHF5G8J3R
SHF5G8J3R
General Electric - Insulated Case
SHF5G8J3R, General Electric, Power Break II, type , 3P, 3PH, 600V, 3000A current sensor rating, 150kA@480V, high interrupting capacity, Bolt-On, front connected, 3000A frame rating, complete with Entelliguard trip, LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault trip functions, full metering, modbus communication & relays features and 1200A rating plug, Solid State electronic, insulated case circuit breakers, suitable for use with Power Break II switchgear systems
From Get Price
Limited Stock
MDN4083LEA0722NMNG4NNCDCX
MDN4083LEA0722NMNG4NNCDCX
Cutler Hammer - Insulated Case
MDN4083LEA0722NMNG4NNCDCX, Cutler Hammer, Magnum DS, type , drawout mounted, narrow frame, 3P, 3PH, 800A, 700A current sensors and rating plugs, 600V, 42kA@600V, 40°C, Bolt-On, manually operated, complete with factory installed 32Vdc UVR, 4A/4B auxiliary switch, interchangeable Digitrip 220, LI - Long-Time and Instantaneous trip functions, Castell keylock, 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, unwired
From Get Price
Limited Stock
MDN4083LEA0222NMNJ2NNHMAX
MDN4083LEA0222NMNJ2NNHMAX
Cutler Hammer - Insulated Case
MDN4083LEA0222NMNJ2NNHMAX, Cutler Hammer, Magnum DS, type , drawout mounted, narrow frame, 3P, 3PH, 800A, 200A current sensors and rating plugs, 600V, 42kA@600V, 40°C, Bolt-On, manually operated, complete with factory installed 480Vac UVR, 2A/2B auxiliary switch, interchangeable Digitrip 220, LI - Long-Time and Instantaneous trip functions, operations counter, Ronis key interlock, load side lug terminals & mechanical trip indicator, Solid State, low voltage power insulated case circuit breakers
From Get Price