Circuit Protection

Browse circuit breakers, trip units and electrical protection components. Review current ratings, model numbers and condition in each seller listing.

59 active listings

ABB 1SDA054892R1 Circuit Breaker Accessory UnderVoltage Release Wired 380-440V

ABB · New – open box

USD 199.00

EATON SNT1RP12K Shunt Trip 208 380 VAC 110 127 VDC 1490D71G13

Eaton · Used

USD 199.00

SIEMENS Elektr Ausloeser ETU27 MOELLER

Siemens · Used

USD 120.00

MERLIN GERIN STR38S ELECTRIC TRIP CONTROL CIRCUIT BREAKER STR 38 S IN=250A

Schneider Electric · Used

USD 171.00

MTL4511 Switch proximity detector interface - New Without Box

MTL · New – open box

USD 70.00

OLDHAM MX32 CONTROL UNIT TYPE 2 CHANNEL 220V 50/60Hz 24V -WITHOUT COVER

Oldham · Used

USD 366.00

SICK C4-RD C4C-SC10510A10000 Ident. No. 1113201 DC 24V - W/O COVER

SICK · Used

USD 185.00

SICK C4-RD C4C-SC04510A10000 1113197 DC 24V - WITHOUT COVER

SICK · Used

USD 185.00

Merlin Gerin 1600 Amphere Trip Unit 51005047-MISSING COVER

Merlin Gerin · Used

USD 395.00

Motorsaver Model 777 Overload Relay/Three Phase Electric Motor Protector

Motor Saver · Used

USD 200.00

LOT 2 PCS. Nader NDM1A-125 In:125A Circuit breaker

Nader · Used

USD 120.00

Eaton A1L5RPK Auxilliary Switch 1494D42G02

Eaton · New – open box

USD 144.00

EATON AUX1A1BPK Shunt Trip 66C1570G41

Eaton · Used

USD 75.00

EATON A2L1LPK Shunt Trip 1490D72G08

Eaton · Used

USD 85.00

EATON AUXALRMJPK Shunt Trip 66C1573G43

Eaton · Used

USD 85.00

EATON AUXALRMEPK Shunt Trip 66C1570G45

Eaton · Used

USD 85.00

Schneider Electric 33065 short-circuit presence check 24vdc

Schneider Electric · New – open box

USD 200.00

Schneider Electric 56132 Relay Differential RH10M, 100 mA, 240 V

Schneider Electric · New – open box

USD 99.00

SIEMENS 3VL9400-1SR00 CIRCUIT BREAKER 110-127VAC

Siemens · Used

USD 99.00

EATON CUTLER HAMMER Spring Rel 208/240 VAC 220/250 VDC / 2C12790G49 - NEW NO BOX

Eaton · New – open box

USD 377.00

SIEMENS 3VL9400-1ST00 CIRCUIT BREAKER 208-277 VAC

Siemens · Used

USD 150.00

EATON SNT1RT12K SHUNT TRIP 1490D75G14

Eaton · New – open box

USD 200.00

EATON/CUTLER HAMMER A2L5RPK AL/LO SWITCH SERIES C TYPE N-BREAKER 1494D42G03

Cutler-Hammer · New – open box

USD 244.00

CUTLER-HAMMER A1L1RTK AL/LO SWITCH SER.C TYPE F-BREAKER 1490D73G03 600VAC

Cutler-Hammer · New – open box

USD 305.00