Electromechanical Timer, 24-Hour, Number of Poles 1, Contact Form SPDT, Voltage 120V AC, Amps 40 A, Contact HP @ 120V 2 hp, Day Skipper No, Enclosure Type Steel, Finish Gray, NEMA Rating 1, Min. Time Setting 1 hr, Max. Time Setting 23 hr, Max. On/Off Cycles 12, Width 5 1/2 in, Depth 3 1/2 in, Height 8 19/32 in, Number of Trippers Included 4, Extra Trippers Mfr. No. 156T1978A, Operating Temp. -40 Degrees to 130 Degrees F, Description/Special Features Manual Override, Mount Surface