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Circuit Breakers
(16237 results)A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current from an overload or short circuit. Its basic function is to interrupt current flow after a fault is detected. Unlike a fuse, which operates once and then must be replaced, a circuit breaker can be reset (either manually or automatically) to resume normal operation.
| Part # | Manufacturer | Description | Availability | Pricing | Quantity |
|---|---|---|---|---|---|
 5SJ42167HG41Circuit Breakers | Siemens | MCB 5SJ4 2P 240V 16A 14K C-TRIP | 8 | - | |
 3RV20314UA10Circuit Breakers | Siemens | MSP S2 CLASS 10 32-40A SCREW | 4 | - | |
 3RV20211KA10Circuit Breakers | Siemens | MSP S0 9 - 12.5A SCREW | 10 | - | |
3RV20214BA10Circuit Breakers | Siemens | 3-Pole 690V Motor Protection Circuit Breaker, S0 14-20A, Screw Mount | 7 | - | |
3RV20314EB10Circuit Breakers | Siemens | MSP S2 CLASS 20 22-32A SCREW | 1 | - | |
3RV20214AA10Circuit Breakers | Siemens | 3-Pole 690V Screw Mount Circuit Breaker, 11-16A | 2 | - | |
 3RV20111JA25Circuit Breakers | Siemens | MSP S00 7-10A AUX 1NO 1NC SPRING | 3 | - | |
 3RV20111HA15Circuit Breakers | Siemens | MSP S00 5.5-8A AUX 1NO 1NC SCREW | 4 | - | |
 3RV20114AA20Circuit Breakers | Siemens | MSP S00 11-16A SPRING | 2 | - | |
3RV20111CA15Circuit Breakers | Siemens | SWITCH_MOTOR_3RV2011-1CA15 | 5 | - | |
 3RV20111HA10Circuit Breakers | Siemens | 3-Pole 690V Motor Protection Circuit Breaker, 5.5-8A, IP20 | 12 | - | |
3RV20111AA15Circuit Breakers | Siemens | MSP S00 1.1-1.6A AUX 1NO 1NC SCR | 4 | - | |
3RV20111EA10Circuit Breakers | Siemens | 3-Pole 690V Circuit Breaker, S00 2.8-4A, Screw Mount | 3 | - | |
3RV20210JA10Circuit Breakers | Siemens | MSP S0 0.7 - 1A SCREW | 2 | - | |
3RV20111CA20Circuit Breakers | Siemens | Circuit Breaker For Motor Protection, 1.8-2.5A, 3-P, 10 Ka, 690V, 3Rv2 Series | 4 | - | |
3RV20211BA10Circuit Breakers | Siemens | MSP S0 1.4 - 2A SCREW | 5 | - | |
3RV20111FA15Circuit Breakers | Siemens | MSP S00 3.5-5A AUX 1NO 1NC SCREW | 3 | - | |
3RV20111FA10Circuit Breakers | Siemens | 3-Pole 690V 3.5-5A Screw Mount Circuit Breaker | 8 | - | |
3RV20210HA10Circuit Breakers | Siemens | MSP S0 0.55 - 0.8A SCREW | 5 | - | |
3RV20210KA10Circuit Breakers | Siemens | MSP S0 0.9 - 1.25A SCREW | 5 | - | |
 3RV27114AD10Circuit Breakers | Siemens | CIRCUIT-BREAKER SZ S00, N RELEASE, 15-208A | 4 | - | |
3RV20111DA10Circuit Breakers | Siemens | 3-Pole 690V Circuit Breaker, 3.2A, Screw Mount, IP20 | 9 | - | |
3RV20111CA10Circuit Breakers | Siemens | 3-Pole 690V Circuit Breaker, S00 1.8-2.5A, Screw Mount | 12 | - | |
3RV20111FA20Circuit Breakers | Siemens | Circuit Breaker For Motor Protection, 3.5-5A, 3-P, 6 Ka, 690V, 3Rv2 Series | 3 | - | |
3RV20211DA10Circuit Breakers | Siemens | MSP S0 2.2 - 3.2A SCREW | 4 | - |
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