MODULE M21N black
The Relpol MODULE M21N black is module D (polarization N)It limits overvoltage on DC coils. Voltage 6/230 V DC. Black colour.
The MODULE M21N black is an accessory for the specific Relpol equipment identified above. Selection should be based on the stated compatible relay, socket or solid-state relay family so the part performs its intended mechanical, connection, identification or protection function.