Metz Connect Sar 4 Electrical Relay White

The sar4 and sar5 can be connected to a telecommunications access line or separate control voltage source ac dc and are activated by the call voltage or control voltage. The sar reacts either only to the call voltage or to the control voltage. It activates an external signal emitter with its own or separate power supply e.G. Bell. Horn. Or lamp .

The sar4 and sar5 can be connected to a telecommunications access line or separate control voltage source ac dc and are activated by the call...show more