ringing trip relay

同义词释义

1)ringing trip relay,振铃切断继电器2)ringing-trip relay,振铃切断继电器，呼叫电流切断继电器3)ringing cut-off relay,铃流切断继电器4)ringing relay,振铃继电器，呼叫继电器5)locking-out relay,切断继电器6)relay bell,继电器铃