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Circuit Breakers
(979 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 |
|---|---|---|---|---|---|
 GMS-100HI 90ACircuit Breakers | Carlo Gavazzi | MMS UP TO 100A HI BRK INST 70-90A | In Stock | - | |
 GMB63H2PB6RCircuit Breakers | Carlo Gavazzi | Circuit Breakers MCB HV UL489 B 2P 6A RING T | In Stock | - | |
 GMB631PD30Circuit Breakers | Carlo Gavazzi | Circuit Breakers MCB UL489 D 1P 30A LUG T | In Stock | - | |
 GMB633PD40Circuit Breakers | Carlo Gavazzi | Circuit Breakers MCB UL489 D 3P 40A LUG T | In Stock | - | |
 GSB633PB16Circuit Breakers | Carlo Gavazzi | Circuit Breakers MCB UL1077 B 3P 16A | In Stock | - | |
GMS-63HI 32ACircuit Breakers | Carlo Gavazzi | MMS UP TO 63A HI BRK INST 22-32A | In Stock | - | |
GMB633PD1RCircuit Breakers | Carlo Gavazzi | Circuit Breakers MCB UL489 D 3P 1A RING T | In Stock | - | |
GMB63H2PB2RCircuit Breakers | Carlo Gavazzi | Circuit Breakers MCB HV UL489 B 2P 2A RING T | In Stock | - | |
GMB633PB25RCircuit Breakers | Carlo Gavazzi | Circuit Breakers MCB UL489 B 3P 25A RING T | In Stock | - | |
GMB633PB3Circuit Breakers | Carlo Gavazzi | Circuit Breakers MCB UL489 B 3P 3A LUG T | In Stock | - | |
GMB631PD50Circuit Breakers | Carlo Gavazzi | Circuit Breakers MCB UL489 D 1P 50A LUG T | In Stock | - | |
GMB63H2PD1.6Circuit Breakers | Carlo Gavazzi | Circuit Breakers MCB HV UL489 D 2P 1.6A LUG T | In Stock | - | |
GMB63H2PB16RCircuit Breakers | Carlo Gavazzi | Circuit Breakers MCB HV UL489 B 2P 16A RING T | In Stock | - | |
 GSB631PB2Circuit Breakers | Carlo Gavazzi | Circuit Breakers MCB UL1077 B 1P 2A | In Stock | - | |
GMB63H2PD15Circuit Breakers | Carlo Gavazzi | Circuit Breakers MCB HV UL489 D 2P 15A LUG T | In Stock | - | |
GMB633PD4RCircuit Breakers | Carlo Gavazzi | Circuit Breakers MCB UL489 D 3P 4A RING T | In Stock | - | |
 GSB632PD16Circuit Breakers | Carlo Gavazzi | Circuit Breakers Two-poles UL1077 supplementary protector, 480Y/277VAC, 16 Amps, D-curve with lug terminals. Interruption rating of 5kA. | In Stock | - | |
GMB63H3PC20RCircuit Breakers | Carlo Gavazzi | Circuit Breakers MCB HV UL489 C 3P 20A RING T | In Stock | - | |
GMB632PB10RCircuit Breakers | Carlo Gavazzi | Circuit Breakers MCB UL489 B 2P 10A RING T | In Stock | - | |
GMB632PB60Circuit Breakers | Carlo Gavazzi | Circuit Breakers MCB UL489 B 2P 60A LUG T | In Stock | - | |
GMB632PD1RCircuit Breakers | Carlo Gavazzi | Circuit Breakers MCB UL489 D 2P 1A RING T | In Stock | - | |
GSB633PD63Circuit Breakers | Carlo Gavazzi | Circuit Breakers MCB UL1077 D 3P 63A | In Stock | - | |
GMB632PB1.6Circuit Breakers | Carlo Gavazzi | Circuit Breakers MCB UL489 B 2P 1.6A LUG T | In Stock | - | |
 GSB632PB6Circuit Breakers | Carlo Gavazzi | Circuit Breakers MCB UL1077 B 2P 6A | In Stock | - | |
GMB632PB25Circuit Breakers | Carlo Gavazzi | Circuit Breakers MCB UL489 B 2P 25A LUG T | In Stock | - |
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