2-7/32 INCH WIDTH X 3-1/16 INCH DEPTH X 3-7/32 INCH HEIGHT SIZE; 50/60 HERTZ FREQUENCY RATING; UL 1585, CSA APPROVAL; NEMA DC20-1992, NEC APPLICABLE STANDARD; FOOT/PLATE/CLAMP MOUNT MOUNTING; 40 VOLT AMP POWER RATING