1. Home / 
  2. breaker

SORT BY
In Stock
LA3400T
LA3400T
Westinghouse - Trip Units And Programmers
LA3400T, Westinghouse, LA Series, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 400A, 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
From $848.28
In Stock
PA11364
PA11364
Square D - Auxiliary
PA11364, Square D, Square D Series, type , auxiliary, (1) auxiliary switch, rated for 125/250V, when installed in a circuit breaker the part number suffix is -1364, 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
From $257.28
In Stock
Q221150BC
Q221150BC
Square D - Molded Case
Q221150BC, Square D, Q2 Series, type , 2P, B & C phase connection, 1PH, 150A, 240V, 10kA@240V, UL listed, standard interrupting capacity, I-Line Style Plug-In, complete with non-interchangeable trip, LI - Long-Time and Instantaneous trip functions, Thermal Magnetic, molded case circuit breaker, these breakers are now obsolete; however, we do still stock them
From $207.91
In Stock
20RES125T
20RES125T
Cutler Hammer - Rating Plug
20RES125T, Cutler Hammer, Series G, type RES, interchangeable rating plug element, rated for 1250A, suitable for use with the 2000A current sensor rating, to be used with Series C & Series G- RD,RDC,CRD,CRDC,RGH,RGC molded case circuit breaker frame types, for use with DIGITRIP,RMS310,RES solid state electronic trip units & circuit breakers
From $91.01
In Stock
KES3250LSIG
KES3250LSIG
Cutler Hammer - Trip Units And Programmers
KES3250LSIG, Cutler Hammer, Series C, type , interchangeable Digitrip RMS 310 trip unit with LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault trip functions, rated for 250A, suitable for Series C- KD,DK,KDB,HKD,HKDB,KDC,CKD,CHKD,KW,HKW,KWC molded case circuit breaker frame types, Solid State electronic trip units and programmers & circuit breakers
From $2,049.88
In Stock
HKB3150T
HKB3150T
Westinghouse - Trip Units And Programmers
HKB3150T, Westinghouse, MARK 75, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 150A, 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
From $734.20
In Stock
A20RES20T1
A20RES20T1
Cutler Hammer - Rating Plug
A20RES20T1, 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
From $201.46
In Stock
HLA3150T
HLA3150T
Westinghouse - Trip Units And Programmers
HLA3150T, Westinghouse, MARK 75, 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
From $710.07
In Stock
4KES400T
4KES400T
Eaton - Rating Plug
4KES400T, Eaton, Series C, type , interchangeable rating plug element, rated for 400A, suitable for use with the 400A current sensor rating, to be used with Series C- KD,DK,KDB,HKD,HKDB,KDC,CKD,CHKD,KW,HKW,KWC molded case circuit breaker frame types, for use with DIGITRIP,RMS310,KES solid state electronic trip units & circuit breakers
From $71.16
In Stock
4KES200T
4KES200T
Cutler Hammer - Rating Plug
4KES200T, Cutler Hammer, Series C, type , interchangeable rating plug element, rated for 200A, suitable for use with the 400A current sensor rating, to be used with Series C- KD,DK,KDB,HKD,HKDB,KDC,CKD,CHKD,KW,HKW,KWC molded case circuit breaker frame types, for use with DIGITRIP,RMS310,KES solid state electronic trip units & circuit breakers
From $104.27
In Stock
HKB3125T
HKB3125T
Cutler Hammer - Trip Units And Programmers
HKB3125T, Cutler Hammer, MARK 75, 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
From $1,382.15
In Stock
HKA3125TA
HKA3125TA
Westinghouse - Trip Units And Programmers
HKA3125TA, Westinghouse, MARK 75, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 125A, 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
From $10.87
In Stock
LC11128
LC11128
Square D - Under Voltage Release
LC11128, Square D, Square D Series, type , under voltage release, 48VDC, (1) undervoltage trip, when installed in a circuit breaker the part number suffix is -1121, suitable for use with LC,LCF,LCL,LCP,LE,LEF,LEL,LEP,LI,LIF,LIL,LIP,LX,LXF,LXL,LXP,LXI,LXIF,LXIL,LXIP frame molded case circuit breakers
From $109.94
In Stock
HLB3125T
HLB3125T
Westinghouse - Trip Units And Programmers
HLB3125T, Westinghouse, MARK 75, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 125A, 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
From $10.00
In Stock
MA3600T
MA3600T
Square D - Trip Units And Programmers
MA3600T, Square D, MA Series, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 600A, 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
From $597.99
In Stock
HLB3250T
HLB3250T
Cutler Hammer - Trip Units And Programmers
HLB3250T, Cutler Hammer, MARK 75, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 250A, 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
From $815.07
In Stock
HKB3225T
HKB3225T
Westinghouse - Trip Units And Programmers
HKB3225T, Westinghouse, MARK 75, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 225A, 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
From $178.25
In Stock
HLA2250T
HLA2250T
Westinghouse - Trip Units And Programmers
HLA2250T, Westinghouse, MARK 75, 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
From $16.00
In Stock
25RES25T
25RES25T
Eaton - Rating Plug
25RES25T, Eaton, Series G, type , interchangeable rating plug element, rated for 2500A, suitable for use with the 2500A 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
From $136.16
In Stock
20RES10T
20RES10T
Cutler Hammer - Rating Plug
20RES10T, Cutler Hammer, Series G, type , interchangeable rating plug element, rated for 1000A, 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
From $179.25
In Stock
HMA2500T
HMA2500T
Westinghouse - Trip Units And Programmers
HMA2500T, Westinghouse, MARK 75, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 500A, 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
From $1.77
In Stock
A1X3PK
A1X3PK
Eaton - Auxiliary
A1X3PK, Eaton, Series C, type , auxiliary, 1A/1B, pigtail style leads, left or right side mounted, when installed in a circuit breaker the part number suffix is -A06, suitable for use with KD,DK,KDB,HKDDC,HKD,HKDB,KDC,CKD,CHKD,KW,HKW,KWC,KG,E2K,E2KM frame and K-frame HMCP molded case circuit breakers
From $96.17
In Stock
HLA3125T
HLA3125T
Cutler Hammer - Trip Units And Programmers
HLA3125T, Cutler Hammer, MARK 75, type , interchangeable trip unit with LI - Long-Time and Instantaneous trip functions, rated for 125A, 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
From $1,856.32
In Stock
2KES100T
2KES100T
Cutler Hammer - Rating Plug
2KES100T, Cutler Hammer, Series C, type KES, interchangeable rating plug element, rated for 100A, suitable for use with the 250A current sensor rating, to be used with Series C- KD,DK,KDB,HKD,HKDB,KDC,CKD,CHKD,KW,HKW,KWC molded case circuit breaker frame types, for use with DIGITRIP,RMS310,KES solid state electronic trip units & circuit breakers
From Get Price