Electromechanical Timer, 24-Hour, Number of Poles 4, Contact Form 4PST-NO, Voltage 120V AC, Amps 40 A, Contact HP @ 120V 2 hp, Contact HP @ 240V 5 hp, Day Skipper Yes, Enclosure Type Steel, Finish Metal Enclosure has Gray Enamel, NEMA Rating 3R, Min. Time Setting 1 hr, Max. Time Setting 23 hr, Max. On/Off Cycles 12, Width 5 1/2 in, Depth 3 5/8 in, Height 9 7/16 in, Number of Trippers Included 2, Extra Trippers 11Z965