...Circuit configuration Model AC load Yes Photocoupler G3CN, G3TB-OA No Phototriac G3R, G3S, G3M, G3MC, and G3CN DC load --- Photocoupler G3SD, G3CN-D, G3RD, G3TB-OD, G3R-ID, and G3R-OD AC/DC l...https://www.ia.omron.com/support/guide/18/further_information.html