Electromechanical Timer, 24 hr, Number of Poles 2, Contact Form DPST, Voltage 120, 208 to 277V AC, Amps 40 A, Contact HP @ 120V 2 hp, Contact HP @ 240V 5 hp, Day Skipper No, Enclosure Type Metal Indoor, Finish Brush Metal, NEMA Rating 1, Min. Time Setting 20 min, Max. Time Setting 12 hr, Max. On/Off Cycles 12, Depth 2 5/16 in, Number of Trippers Included 2, Extra Trippers 30YJ54, Operating Temp. -40 Degrees to 165 Degrees F, Description/Special Features Dust-Proof, On/Off Setting, Mount Surface