Relpol pir6w 1p series 6a interface relay modules spco relpol pir6w 1p 24vacdc this standard interface relay has spco contacts as well as led indicator removable relay and marking tag the relay is designed to act as a link between low output power devices such as plcs and operational relays that operate at a higher input values the relays restore sufficient power to the input in order to drive the coils of the operation relay relpol pir6w 1p 24vacdc interface relay module 192 264v 6