Electromechanical Water Heater Timer, 24 hr, Number of Poles 2, Contact Form DPST-NO, Voltage 208 to 277V AC, Amps 40 A, Contact HP @ 120V 2 hp, Contact HP @ 240V 5 hp, Day Skipper No, Enclosure Type Steel, Finish Gray Enamel, Metal Enclosure, NEMA Rating 1, Min. Time Setting 20 min, Max. Time Setting 22 hr, Max. On/Off Cycles 12, Width 4 11/16 in, Depth 2 15/16 in, Height 7 15/16 in, Number of Trippers Included 2, Operating Temp. -40 Degrees to 165 Degrees F