FF3 series auxiliary contacts (with 2 sets of 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 auxiliary contacts can realize the remote opening of circuit breaker and the signal indication through the remote connection of signal lights.
FF3 series auxiliary contacts (with 2 sets of 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 auxiliary contacts can realize the remote opening of circuit breaker and the signal indication through the remote connection of signal lights.
