SPST, 20 Amps @ 125 VAC, 10 Amps @ 250 VAC, 12 Amps @ 125 VAC 3/4 H.P., 10 Amps @ 277 VAC 3/4 H.P., 30 Amps @ 12 VDC. UL/CSA/RoHS/IP66 approved. Cutout:.835" x 1.457". Switch:.984" x.5"