


- Home /
square d breaker
449,252 Results
Refine Results
In Stock
Subcategory
SORT BY

MP30H2-3P-2500A
Merlin Gerin - Insulated Case
MP30H2-3P-2500A, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 3000A frame, includes 2500A or 3000A sensor rating with 2500A 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

MP40-3P-3000A
Merlin Gerin - Insulated Case
MP40-3P-3000A, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 4000A frame includes 3000A, 3200A or 4000A sensor rating with 3000A rating plug, 3P, 3PH, 600V, 50kA@480V, accepts the following programmers/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

MP50-3P-5000A-EO-DO-LSG
Merlin Gerin - Insulated Case
MP50-3P-5000A-EO-DO-LSG, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 5000A frame includes 5000A sensor rating with 5000A rating plug, 3P, 3PH, 600V, 50kA@480V, accepts the following programmers/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

MP30H2-3P-3000A-MO-DO-LI
Merlin Gerin - Insulated Case
MP30H2-3P-3000A-MO-DO-LI, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 3000A frame, includes 3000A sensor rating with 3000A 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

A8MCG700
Westinghouse - Rating Plug
A8MCG700, Westinghouse, SELTRONIC, type , adjustable rating plug element, rated for 700A, adjustable magnetic trip setting 1500-5000A, suitable for use with 800A Seltronic - MCG,MCGA,HMCG,HMCGA,MCCGA,HMCCG,HMCCGA molded case circuit breaker frame types, for use with Seltronic solid state electronic trip units & circuit breakers; these rating plugs are obsolete; however we do still stock them
From Get Price

MP16-3P-800A-MO-DO-LSI
Merlin Gerin - Insulated Case
MP16-3P-800A-MO-DO-LSI, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 1600A frame with 1600A sensor rating with 800A rating plug, 3P, 3PH, 600V, 50kA@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

HMA3510T
Westinghouse - Trip Units And Programmers
HMA3510T, Westinghouse, MARK 75, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 510A, suitable for 800A- MA,HMA 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

AKR-8A-30H-MO-DO-LSG
General Electric - Air
AKR-8A-30H-MO-DO-LSG, General Electric, Manually Operated, Draw-out, Low Voltage air circuit breaker, AKR Series, Type , 800A Frame, 3PH, 3P, 600Vac, {Aic Rating@480VAC}@480VAC, with Epic MicroVersa Trip Solid State Overcurrent Protection, LSG - Long-Time, Short-Time and Ground Fault trip functions, Optional Trip Functions, Current Sensor and Rating Plug Amperages available
From Get Price

AKRT-9AE-50-MO-DO-LI
General Electric - Air
AKRT-9AE-50-MO-DO-LI, General Electric, Manually Operated, Draw-out, Low Voltage air circuit breaker, AKR Series, Type , 2000A Frame, 3PH, 3P, 600Vac, {Aic Rating@480VAC}@480VAC, with MicroVersa Trip Plus - Gen 1 Solid State Overcurrent Protection, LI - Long-Time and Instantaneous trip functions, Optional Trip Functions, Current Sensor and Rating Plug Amperages available
From Get Price

AM-4.16-350-SJA-R-1200A
Westinghouse - Vacuum Circuit Breaker
AM-4.16-350-SJA-R-1200A, Westinghouse, AM-SJA-R Series, , 3PH, 3P, 5000 VAC, 1200 Frame, Electrically Operated, Draw-Out, Medium Voltage vacuum circuit breaker Retrofit, Retrofitted for AM-4.16-350, For Use In M-26H Switchgear. Operating Voltage, Control Voltages, Wiring, and Additional Accessories to be determined before ordering.
From Get Price

MP63H2-3P-6300A-EO-BO-LS
Merlin Gerin - Insulated Case
MP63H2-3P-6300A-EO-BO-LS, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 6300A frame, includes 6300A sensor rating with 6300A rating plug, 3P, 3PH, 600V, 125kA@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

MP25H-3P-1600A
Merlin Gerin - Insulated Case
MP25H-3P-1600A, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 2500A frame, includes 1600A, 2000A or 2500A sensor rating with 1600A rating plug, 3P, 3PH, 600V, 75kA@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

PB26000TM
Westinghouse - Trip Units And Programmers
PB26000TM, Westinghouse, PB Series, type , interchangeable trip unit with I - Instantaneous trip functions, front adjustable, rear connected, rated for 2000A, suitable for PB,PA 2500A molded case circuit breaker frame types, magnetic trip range 2000-6000A, Magnetic Only trip units and programmers & circuit breakers; these trip units are obsolete; however we do still stock them
From Get Price

SB20TLSIG
Siemens - Trip Units And Programmers
SB20TLSIG, Siemens, SB Series, type , Solid State electronic interchangeable programmer/ trip unit device, complete with LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault trip functions, rated for 2000A, suitable for use with SBA,SBH,SBS insulated case circuit breaker frame types, there trip unit devices are now obsolete; however, we do still stock them
From Get Price

MN403UANNNNNNDWC
Eaton - Cubicles (Cradles)
MN403UANNNNNNDWC, Eaton, Cutler Hammer, Magnum DS, cubicles (cradles), universal cassettes for drawout circuit breakers, cassette standard features include an arc hood, provisions for secondary terminal blocks including wiring, and a cell rejection kit, no shutters, door escutcheon included, pre-wired for circuit breaker, suitable for double frame Magnum DS 3-pole, 4000A MDS frame low voltage air circuit breakers
From Get Price

ECN2218BAE-E3R5
Cutler Hammer - Motor Starter
ECN2218BAE-E3R5, Cutler Hammer, Freedom Series, combination, non-reversing motor starter with HMCP, type , 3P, 3PH, 7.5 HP @ 230V, 600V, complete with 240V coil, NEMA size 1, 30A HMCP circuit breaker enclosed in oversize NEMA Type 12 dust-tight industrial enclosure with internal reset, without control transformer, suitable for use with Freedom Series motor control systems
From Get Price

MP40H2-3P-4000A-EO-BO-LSIG
Merlin Gerin - Insulated Case
MP40H2-3P-4000A-EO-BO-LSIG, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 4000A frame, includes 4000A sensor rating with 4000A rating plug, 3P, 3PH, 600V, 125kA@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

M4SRG1600
Cutler Hammer - Rating Plug
M4SRG1600, Cutler Hammer, Magnum DS, rating plug, field installable kit for changing the sensor/rating plug rating on fixed or drawout circuit breakers, includes 1 rating plug plus 4 sensors for 4 pole breakers, rated for 1600A, suitable for use with standard frame MDS air circuit breaker frame types, for use with Digitrip 220,520,520M,520MC,1150 solid state programmers
From Get Price

KA2070T
Westinghouse - Trip Units And Programmers
KA2070T, Westinghouse, KA Series, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 70A, suitable for 225A- KA,HKA 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 $273.31

XT2LU3025LFF000XXX
ABB - Molded Case
XT2LU3025LFF000XXX, ABB, molded case circuit breaker, SACE Tmax XT, Type , 3-Pole, 25A, 600V, 35kA@600V, Ekip M-LIU (Electronic Motor Protector with integrated overload and phase loss detection), UL Standard, Line Side Termination (top): F front terminals no lugs installed, Load Side Termination (bottom): F front terminals no lugs installed, No - 1SDA07211R1 global reference
From Get Price

AKRU-11D-50-MO-DO-LI
General Electric - Air
AKRU-11D-50-MO-DO-LI, General Electric, Manually Operated, Draw-out, Low Voltage Fused air circuit breaker, AKR Series, Type , 1600A Frame, 3PH, 3P, 600Vac, {Aic Rating@480VAC}@480VAC, with EntelliGuard Solid State Overcurrent Protection, LI - Long-Time and Instantaneous trip functions, Optional Trip Functions, Current Sensor, Rating Plug and Fuse Amperages available
From Get Price

LB3175T
Westinghouse - Trip Units And Programmers
LB3175T, Westinghouse, AB DE-ION, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 175A, suitable for 400A- LB,HLB 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 $435.75

AKR-8S-50-MO-BI-LSG
General Electric - Air
AKR-8S-50-MO-BI-LSG, General Electric, Manually Operated, Bolt-In, Low Voltage air circuit breaker, AKR Series, Type , 1600A Frame, 3PH, 3P, 600Vac, {Aic Rating@480VAC}@480VAC, with Epic MicroVersa Trip Solid State Overcurrent Protection, LSG - Long-Time, Short-Time and Ground Fault trip functions, Optional Trip Functions, Current Sensor and Rating Plug Amperages available
From Get Price

ECN2428DA9
Cutler Hammer - Motor Starter
ECN2428DA9, Cutler Hammer, Freedom Series, combination, non-reversing motor starter with HMCP and CPT (control power transformers), type , 3P, 3PH, 25 HP @ 575V, 600V, complete with 600V coil, NEMA size 2, 50A HMCP circuit breaker enclosed in NEMA Type 12 dust-tight industrial enclosure with external reset, suitable for use with Freedom Series motor control systems
From Get Price