Pr2 rsc3au accepts relays for switching small loads and low level signals the module features the clever 13 unit relay socket with screw terminals relay socket connector for inputinterference suppresion module and relay fixingremoval bracketthe core of this 27 mm wide relay module is formed by the universal industrial relay with 2 or 4 changeover contacts it can be manually operated and locked the dc version has a snubber diode and status led integrated into the relay the ac versi