SD3 series auxiliary contacts are mainly used in AC 50/60Hz alarm circuits with a rated voltage not exceeding 415V and a rated current 1A~6A. This series of alarm contacts can realize the fault trip alarm function of remote circuit breaker by remotely connecting the alarm.
SD3 series auxiliary contacts are mainly used in AC 50/60Hz alarm circuits with a rated voltage not exceeding 415V and a rated current 1A~6A. This series of alarm contacts can realize the fault trip alarm function of remote circuit breaker by remotely connecting the alarm.
