G2R-1A 24DC Power Relay, SPST-NO, 24 VDC, 10 A, G2R Series, Through Hole. The Omron G2R series are through hole PCB power relays. These electromechanical power relays have safety oriented design with dielectric strength of 5000V between coil and contacts and surge resistance of 10000V. These relays are available in several types such as single pole, double pole, high capacity and high sensitivity type relays.