MP12H2-3P-800A, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 1200A frame, includes 800A or 1200A sensor rating with 800A 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

MP32-3P-3200A-EO-DO-LSI, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 3200A frame includes 3200A sensor rating with 3200A 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

MP16H-3P-1600A-EO-BO-LI, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 1600A frame, includes 1600A sensor rating and 1600A 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

MP30H-3P-3000A-EO-BO-LI, 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

S133B, Square D, Merlin Gerin, Schneider Electric, Micrologic, field installable Micrologic standard 5.0 trip unit with LSI - Long-Time, Short-Time and Instantaneous trip functions, with type 'B' 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

HKA2100T, Westinghouse, MARK 75, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 100A, 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

MP12H2-3P-1000A-EO-DO-LS, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 1200A frame, includes 1200A sensor rating with 1000A 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

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

MP20-3P-2000A-MO-DO-LSG, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 2000A frame includes 2000A sensor rating with 2000A 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

MP32H2-3P-3200A-MO-DO-LSI, 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

MP16-3P-800A-EO-DO-LSG, 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

MP20H-3P-2000A-EO-DO-LI, 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

MP20-3P-1600A, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 2000A frame includes 1600A or 2000A sensor rating 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

MP08-3P-125A-EO-DO-LIG, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 800A frame with 250A trip and 125A 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

S133C, Schneider Electric, Square D, Merlin Gerin, Micrologic, field installable Micrologic standard 5.0 trip unit with LSI - Long-Time, Short-Time and Instantaneous trip functions, with type 'C' 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

MP12H2-3P-1200A-MO-DO-LIG, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 1200A frame, includes 1200A sensor rating with 1200A 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

MP30H-3P-3000A-MO-BO-LS, 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

LA3150T, Westinghouse, LA Series, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 150A, 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

MP12-3P-1200A-MO-DO-LSIG, 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

MA2150T, Westinghouse, MA Series, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 150A, 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

LA2250T, Westinghouse, LA Series, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 250A, 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

MP32-3P-3000A-EO-DO-LSIG, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 3200A frame includes 3000A, 3200A 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

MP16-3P-800A-EO-DO-LI, 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

HLB2150T, Westinghouse, MARK 75, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 150A, 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