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Circuit Breakers
(66 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 |
|---|---|---|---|---|---|
 ST201M-D1Circuit Breakers | ABB Ltd | Circuit Breaker, 1-P, 1A/277VAC, | 1 | - | |
SU203M-Z1.6Circuit Breakers | ABB Ltd | UL489 MCB 3P Z 1.6A 480/277 | 1 | - | |
S201U-K16Circuit Breakers | ABB Ltd | Circuit Breaker, 1-P, 16A/240VAC | 1 | - | |
S201-K40Circuit Breakers | ABB Ltd | Circuit Breaker, 1-P, 40A/277VAC | 1 | - | |
S201-K0.5Circuit Breakers | ABB Ltd | Circuit Breaker, 1-P, 0.5A/277VA | 1 | - | |
S403M-C3Circuit Breakers | ABB Ltd | SmissLN Circuit Breaker IEC 3P 3 | 2 | - | |
S203UP-K3Circuit Breakers | ABB Ltd | Circuit Breaker, 3-P, 3A/277VAC, | In Stock | - | |
S203P-B10Circuit Breakers | ABB Ltd | Circuit Breaker | 1 | - | |
S201UP-K6Circuit Breakers | ABB Ltd | Circuit Breaker, 1-P, 6A/277V, K | 8 | - | |
XT4NU4025AFF000XXXCircuit Breakers | ABB Ltd | Circuit Breaker, 4-P, 25A, 600V, | 1 | - | |
TS3N020TW-2Circuit Breakers | ABB Ltd | Circuit Breaker, 2-P, 20A/600VAC | 1 | - | |
S201-C32Circuit Breakers | ABB Ltd | Circuit Breaker, 1-P, 32A/277VAC | 8 | - | |
SU201M-Z3Circuit Breakers | ABB Ltd | UL489 MCB 1P Z 3A 480/277 | 5 | - | |
S201UDC-Z3Circuit Breakers | ABB Ltd | CIRCUIT BREAKER, 1-P, 3A/60VDC | 3 | - | |
S203UP-K5Circuit Breakers | ABB Ltd | Circuit Breaker, 3-P, 5A/277VAC, | 2 | - | |
S201MUC-Z4Circuit Breakers | ABB Ltd | CIRCUIT BREAKER | 1 | - | |
SU201M-Z6Circuit Breakers | ABB Ltd | UL489 MCB 1P Z 6A 480/277 | 3 | - | |
S202MUC-Z1.6Circuit Breakers | ABB Ltd | MCB S200MUC 2P Z 1.6A AC/DC | 9 | - | |
S201U-K25Circuit Breakers | ABB Ltd | Circuit Breaker, 1-P, 25A/240VAC | 1 | - | |
XT1NU3050AFF000AXXCircuit Breakers | ABB Ltd | XT1N 125 TMF 50-500 3p F F UL/CS | 1 | - | |
 T4N040TWCircuit Breakers | ABB Ltd | Circuit Breaker Thermal Magnetic 3Pole 40A 600VAC 600VDC | In Stock | - | |
S751/3DR-E35Circuit Breakers | ABB Ltd | Circuit Breaker 3Pole 35A 230V/400VAC Carton | In Stock | - | |
S751/3-E63Circuit Breakers | ABB Ltd | Circuit Breaker 3Pole 63A 230V/400VAC Carton | In Stock | - | |
TS3N125TLCircuit Breakers | ABB Ltd | Tmax Molded Circuit Breaker, Frame Size 225A, Trip Type Thermal-Magnetic | In Stock | - | |
 2CDS251001R0325Circuit Breakers | ABB Ltd | Miniature Circuit Breaker | In Stock | - |
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