The Schneider Electric A9N18447 is a Acti9 C120H is a low voltage miniature circuit breaker (MCB). It is a 1P circuit breaker with 1 protected pole, C tripping curve. This product complies with both industrial standard EN/IEC 60898-1 and residential standard EN/IEC 60947-2. This miniature circuit breaker combines functions of circuit protection against short circuit and overload current, control and isolation. The presence of green strip guarantees that contacts open physically and allows work to be carried out safely on the downstream circuit. IP degree of protection IP20 Mercury free