Digital Clock With Supercap, 24 H Time Setting Mode, SPST Contact Form, 24 H Time Setting, 120 to 277 V Ac, 40 A (No) @ 120 to 277 V Ac (General Purpose);30 A (No) @ 120 V Ac;20 A (No) @ 208 to 277 V Ac (Ballast);15 A (No) @ 120 V Ac (Tungsten);30 A @ 28 V DC (Resistive);40 A (No) @ 120 to 277 V Ac (Inductive), 20 On/Off Cycles, Plastic Enclosure Material, Screw Connection, -40 °F Operating Temperature, +149 °F Operating Temperature, 5.062 X 3.062 X 8.312 In Size, 2 LB