MP16-3P-1600A-EO-BO-LS, 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

HMA2500TV, Westinghouse, MARK 75, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 500A, 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

MP32H2-3P-3200A-MO-DO-LSG, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 3200A frame, includes 3200A sensor rating with 3200A 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

MP40H-3P-4000A-MO-BO-LSIG, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 4000A frame, includes 4000A sensor rating with 4000A 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

PBF26000TM, Westinghouse, PBF Series, type , interchangeable trip unit with I - Instantaneous trip functions, front adjustable, front connected, rated for 2000A, suitable for PBF,PAF 2000A 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

MP08-3P-800A-EO-BO-LSI, 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

MP12H-3P-1000A-MO-BO-LS, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 1200A frame with 1200A sensor rating with 1000A rating plug, 3P, 3PH, 600V, 65kA@480V, acceptable with 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-EO-DO-LSI, 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

MP08-3P-250A-EO-DO-LI, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 800A frame with 250A or 400A sensor rating and 250A rating plug, 3P, 3PH, 600V, 50kA@480V, available with STR28D, STR28DP, STR38S, STR38P, STR38ST, STR38SW, STR58U, STR58UP, STR58UT, STR58UW, STR68U, AC-PRO-MP trip units, Solid State electronic, insulated case circuit breakers

A20PCG1800, Westinghouse, SELTRONIC, type , adjustable rating plug element, rated for 1800A, adjustable magnetic trip setting 3200-12800A, suitable for use with 2000A Seltronic - PCG,PCGA,PCCG,PCCGA 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

MP63H2-3P-4000A, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 6300A frame, includes 4000A, 5000A or 6300A 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

MP20H-3P-2000A-MO-DO-LSIG, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 2000A frame, includes 2000A sensor rating with 2000A 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

MP12-3P-1200A-EO-BO-LSI, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 1200A frame with 1200A sensor rating with 1200A 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

LB3400T, Westinghouse, AB DE-ION, type , interchangeable trip unit with LI - Long Time and Instantaneous trip functions, rated for 400A, 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

KB3125T, Westinghouse, AB DE-ION, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 125A, 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

MA3400T, Westinghouse, MA Series, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 400A, 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

MP25H-3P-2500A-MO-BO-LS, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 2500A frame, includes 2500A sensor rating with 2500A 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

HKB2150TV, Westinghouse, MARK 75, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 150A, 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

MP16H-3P-1200A, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 1600A frame, includes 1200A or 1600A sensor rating with 1200A rating plug, 3P, 3PH, 600V, 65kA@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

MP25H2-3P-2500A-MO-DO-LIG, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 2500A frame, includes 2500A 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

MP63H2-3P-6000A-EO-DO-LS, 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

MP12-3P-1200A-MO-BO-LI, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 1200A frame with 1200A sensor rating with 1200A 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

LA3250TV, Westinghouse, LA Series, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 250A, 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

MICROLOGIC-3.0, Square D, Schneider Electric, Merlin Gerin, Micrologic, field installable, S131A, Micrologic standard 3.0 trip unit with LI - Long-Time and Instantaneous trip functions, with type 'A' rating plug, suitable for NS,NT,NW,PG,PJ,PK,PL,RG,RJ,RK,RL molded case & insulated case circuit breaker frame types, Solid State electronic trip units & circuit breakers