8539SCW45V06H20, Square D, Class 8539, combination non-reversing motor starter, NEMA size 1, requires 3 thermal units, supplied with MAG-GARD GJL36050-M05 circuit breaker and NEMA type 4 & 4X enclosure, 3P, 3PH, 600V, 7 1/2 HP @ 208V, complete with 480V 60Hz/440V 50Hz coil, suitable for use with Class 8539 motor control systems, Motor Logic SSOLR Class 20

MP63H-3P-5000A-MO-DO-LSI, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 6300A frame, includes 5000A, or 6300A sensor rating with 5000A 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

MP08-3P-300A-EO-BO-LIG, 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

MP16H-3P-1000A-MO-DO-LSI, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 1600A frame, includes 1200A or 1600A sensor rating with 1000A 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

MP08H2-3P-300A-EO-BO-LSG, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 800A frame, includes 250A, 400A or 600A sensor rating with 300A 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

MP08H-3P-250A-EO-DO-LSIG, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 800A frame, includes 250A or 400A sensor rating with 250A 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

8539SFA54V07H10, Square D, Class 8539, combination non-reversing motor starter, NEMA size 4, requires 3 thermal units, supplied with MAG-GARD KAL36250-29M circuit breaker and NEMA type 12/3R with external reset enclosure, 3P, 3PH, 600V, 50 HP @ 240V, complete with 600V 60Hz/550V 50Hz coil, suitable for use with Class 8539 motor control systems, Motor Logic SSOLR Class 10

NB2800TV, Westinghouse, NB Series, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 800A, 50°C, suitable for 1200A- NB,HNB,NBY 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

MP50-3P-3200A-EO-DO-LSI, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 5000A frame includes 3200A, 4000A or 5000A 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

MP50H-3P-4000A-MO-DO-LI, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 5000A frame, includes 4000A or 5000A 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

CR306FXK603, General Electric, 300 Line, type , 3P, 3PH, 135A, 600V, 50 hp, complete with 230V-240V 50/60Hz, AC coil, non-reversing, non-combination magnetic starter, NEMA size 4, includes NEMA type 3R surface mount enclosure, equipped with overload rely to provide 17.0-35.0A with 125 max fuse rating, 125 max breaker rating, suitable for use with CR306 motor control systems

MP63H2-3P-4000A-MO-BO-LS, 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

MP08-3P-300A-MO-DO-LSI, 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

HMA2200TA, Westinghouse, MARK 75, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 200A, 50°C, magnetic range 1000-2000A, 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-1600A-MO-BO-LI, 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

MP50H-3P-4000A-MO-DO-LSIG, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 5000A frame, includes 4000A or 5000A 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

MP20H-3P-1600A-MO-BO-LIG, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 2000A frame, includes 1600A or 2000A 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

MP30-3P-1600A-MO-DO-LSI, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 3000A frame includes 1600A, 2000A, 2500A or 3000A 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

MP12H-3P-800A-MO-DO-LSIG, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 1200A frame with 800A or 1200A 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

MP40H2-3P-3200A-MO-BO-LSIG, 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

CR306HXT404, General Electric, 300 Line, type , 3P, 3PH, 540A, 600V, 400 hp, complete with 460V-480V 50/60Hz, AC coil, non-reversing, non-combination magnetic starter, NEMA size 6, includes NEMA type 4/4X surface mount enclosure, equipped with overload rely to provide 260.0-540.0A with 1200 max fuse rating, 800 max breaker rating, suitable for use with CR306 motor control systems

MP08H-3P-600A-EO-BO-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

BD3040D, Cutler Hammer, BD Series, type duplex, 2P, 1PH, 30/40A, 120V, 10kA@120V, standard interrupting capacity, Feed-Thru, HACR rated, UL type BRD, install breaker only in panel positions that have dented bus stabs, complete with rejection tab feature, LI - Long-Time and Instantaneous trip functions and line & load side lug terminals, Thermal Magnetic molded case circuit breakers

MP63H-3P-4000A-MO-DO-LSI, Merlin Gerin, insulated case circuit breaker, Masterpact, type , 6300A frame, includes 4000A, 5000A, or 6300A 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