Time Switch, Metal Enclosure Material, 24 h Time Setting Mode, 75 (Min) Off;20 (Min) On Time Setting, 24 h Time Setting, DPST Contact Configuration, 208 to 277 V ac, 40 A, Metal Material, -40 °F Operating Temperature, +165 °F Operating Temperature, 5-1/4 x 3-1/4 x 8-1/4 in Size, 3.9 lb