MP50-3P-4000A-EO-DO-LS, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 5000A frame includes 4000A or 5000A 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

MP20H-3P-1000A-MO-DO-LI, 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

HMA3250TA, Westinghouse, MARK 75, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 250A, 50°C, magnetic range 1250-2500A, 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

MP08-3P-300A-MO-DO-LS, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 800A frame with 400A or 600A sensor rating and 300A 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 trip units, Solid State electronic, insulated case circuit breakers

MP25H-3P-2000A-MO-DO-LSI, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 2500A frame, includes 2000A or 2500A 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

MP40H2-3P-3200A-MO-DO-LSG, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 4000A frame, includes 3200A or 4000A sensor rating with 3200A 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

MP08H-3P-200A-EO-DO-LS, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 800A frame with 250A or 400A sensor rating and 200A 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 trip units, Solid State electronic, insulated case circuit breakers

8539SJA53V02H10, Square D, Class 8539, combination non-reversing motor starter, NEMA size 7, requires 3 thermal units, supplied with MAG-GARD MAL361000-47M circuit breaker and NEMA type 12/3R with external reset enclosure, 3P, 3PH, 600V, 300 HP @ 240V, complete with 120V 60Hz/110V 50Hz coil, suitable for use with Class 8539 motor control systems, Motor Logic SSOLR Class 10

8539SDA42V04H10, Square D, Class 8539, combination non-reversing motor starter, NEMA size 2, requires 3 thermal units, supplied with MAG-GARD GJL36015-M03 circuit breaker and NEMA type 12/3R without external reset enclosure, 3P, 3PH, 600V, 5-7 1/2 HP @ 240V, complete with 277V 60Hz coil, suitable for use with Class 8539 motor control systems, Motor Logic SSOLR Class 10

MP32-3P-2500A-EO-DO-LSIG, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 3200A frame includes 2500A, 3000A, 3200A 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

MP08H-3P-600A-EO-DO-LI, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 800A frame, includes 600A or 800A sensor rating with 600A 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 trip units, Solid State electronic, insulated case circuit breakers

S142D, Schneider Electric, Square D, Merlin Gerin, Micrologic, field installable Micrologic standard 2.0A trip unit, complete with type 'D' rating plug and ammeter, features LS - Long-Time and Short-Time trip functions, suitable for use with 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

MP20H2-3P-1600A-MO-BO-LSI, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 2000A frame, includes 1600A or 2000A 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

MP40H-3P-3200A-EO-BO-LI, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 4000A frame, includes 3200A or 4000A 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

MP08H2-3P-400A-EO-DO-LSG, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 800A frame, includes 400A, 600A or 800A sensor rating with 400A 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

MP32H-3P-1600A-MO-BO-LSG, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 3200A frame, includes 1600A, 2000A, 2500A, 3000A or 3200A 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

MP63-3P-4000A-MO-BO-LIG, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 6300A frame includes 4000A, 5000A or 6300A 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

8539SHA46V02H30, Square D, Class 8539, combination non-reversing motor starter, NEMA size 6, requires 3 thermal units, supplied with MAG-GARD MAL36600-44M circuit breaker and NEMA type 12/3R without external reset enclosure, 3P, 3PH, 600V, 200 HP @ 240V, complete with 120V 60Hz/110V 50Hz coil, suitable for use with Class 8539 motor control systems, Motor Logic SSOLR Class 10/20

MP32-3P-2500A-MO-BO-LS, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 3200A frame includes 2500A, 3000A, 3200A 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

MP63H2-3P-3000A-MO-BO-LSI, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 6300A frame, includes 3000A, 3200A, 4000A, 5000A or 6300A 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

MP12-3P-1000A-EO-DO-LSI, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 1200A frame with 1200A, 1600A or 2000A sensor rating with 1000A rating plug, 3P, 3PH, 600V, 50kA@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

MP25H2-3P-1600A-EO-DO-LSIG, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 2500A frame, includes 1600A, 2000A or 2500A 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

MP16H-3P-800A-MO-BO-LI, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 1600A frame, includes 800A, 1200A or 1600A sensor rating and 800A 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 trip units, Solid State electronic, insulated case circuit breakers

CR306GXQ403, General Electric, 300 Line, type , 3P, 3PH, 270A, 600V, 100 hp, complete with 230V-240V 50/60Hz, AC coil, non-reversing, non-combination magnetic starter, NEMA size 5, includes NEMA type 4/4X surface mount enclosure, equipped with overload rely to provide 130.0-270.0A with 600 max fuse rating, 800 max breaker rating, suitable for use with CR306 motor control systems