HKA2150TV, Westinghouse, MARK 75, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 150A, 50°C, 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

MP16H2-3P-1600A-MO-BO-LSIG, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 1600A frame, includes 1600A sensor rating with 1600A 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

MP25-3P-2500A-EO-BO-LI, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 2500A frame includes 2500A sensor rating with 2500A 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

MP08-3P-800A-MO-BO-LI, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 800A frame, includes 800A 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

MP40H2-3P-4000A-MO-BO-LIG, 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

LB3070T, Westinghouse, AB DE-ION, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 70A, 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

MP50H2-3P-3000A, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 5000A frame, includes 3000A, 3200A, 4000A or 5000A sensor rating with 3000A 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

MP63H2-3P-6000A-MO-BO-LIG, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 6300A frame, includes 6300A sensor rating with 6000A 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

MA3700TV, Westinghouse, MA Series, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 700A, 50°C, 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

PA11121, Square D, Square D Series, type , under voltage release, 120V, (1) undervoltage trip, when installed in a circuit breaker the part number suffix is -1121, suitable for use with PA,PAF,PAL,PAP,PH,PHF,PHL,PHP,PC,PCF,PCL,PCP,PE,PEF,PEL,PEP,PX,PXF,PXL,PXP frame molded case circuit breakers

A20RES20T2, Cutler Hammer, Series G, type , interchangeable rating plug element, rated for 1000-2000A, suitable for use with the 2000A current sensor rating, to be used with Series C & Series G- RD,RDC,CRD,CRDC,RGH,RGC,RW,RWC molded case circuit breaker frame types, for use with DIGITRIP,RMS310,RES solid state electronic trip units & circuit breakers

MP30H-3P-3000A-MO-BO-LSG, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 3000A frame, includes 3000A sensor rating with 3000A 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

MP08-3P-800A-MO-DO-LI, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 800A frame, includes 800A 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

MP20H2-3P-2000A-MO-BO-LI, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 2000A frame, includes 2000A sensor rating with 2000A 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

MP50H2-3P-5000A-MO-DO-LIG, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 5000A frame, includes 5000A sensor rating with 5000A 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

LA2100TV, Westinghouse, LA Series, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 100A, 50°C, suitable for 400A- LA,HLA 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

MP40-3P-4000A-MO-DO-LI, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 4000A frame includes 4000A sensor rating with 4000A 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

HLA3090TA, Westinghouse, MARK 75, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 90A, 50°C, suitable for 400A- LA,HLA 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

HLA2090TA, Westinghouse, MARK 75, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 90A, 50°C, suitable for 400A- LA,HLA 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

MP40-3P-4000A-MO-BO-LS, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 4000A frame includes 4000A sensor rating with 4000A 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

HMA3800TV, Westinghouse, MARK 75, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 800A, 50°C, 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

MP63-3P-6300A-EO-DO-LSG, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 6300A frame includes 6300A sensor rating with 6300A 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

MP20H-3P-1000A, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 2000A frame, includes 1200A, 1600A or 2000A sensor rating with 1000A 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

MP16-3P-1600A-MO-BO-LSG, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 1600A frame includes 1600A trip with 1600A 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