Cutler-Hammer 9-642-27 NSMP Mini Circuit Breaker is a compact overcurrent protection device from the Cutler-Hammer family. The part number 9-642-27 NSMP identifies this specific NSMP model within the mini circuit breaker lineup, engineered to interrupt current in electrical circuits to prevent overloads and short circuits. Used in space-conscious electrical distributions, this mini circuit breaker serves as a safety device for branch circuits by automatically opening the circuit when fault or overload conditions occur.
