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SKU: SIEB340H00S01
Brand:Siemens

Siemens SpeedFax™ B340H00S01 Molded Case Circuit Breaker, 120/240 VAC, 40 A, 22 kA Interrupt, 3 Poles, Thermal Magnetic Trip

Circuit breakers provide a manual means of energizing and de-energizing a circuit. In addition, circuit breakers provide automatic over current protection of a circuit. A circuit breaker allows a circuit to be reactivated quickly after a short circuit or overload is cleared. Unlike fuses, which must be replaced when they open, a simple flip of the breakers operating handle restores the circuit.

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