Tork Digital Timer, Electronic, 120/277 VAC, 30 A, Number of Poles: 1, Contact Configuration: SPST, Cycle Time: 7 days, Time Setting: 1 min to 7 days, Back-Up Time: 100 hr, IP Rating: NEMA 3R, Installation Type: Surface, Temperature Rating: -40 to 149 deg F, Plastic, Tan, 5-1/16 in W, 8-5/16 in H, 3-1/16 in D