Mechanical Pool Pump Timer, Timing/Heater Circuit Center, Number of Poles 2, Contact Form DPST-NO, Voltage 208 to 277V AC, Amps 40 A, Contact HP @ 240V 5 hp, Day Skipper No, Enclosure Type Plastic, Finish Beige, 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 3/8 in, Extra Trippers 2E054, Description/Special Features Fireman Switch for Heater Control, Mount Surface, Nominal Max. Time Setting 24 hr