Intermatic® Electronic Time Switch, Series: ET90000, Operation Mode: 365 Days, 120/277 VAC, 20 A, 1 hp/2 hp, 1 Pole, 1NO-1NC SPDT, 1 sec to 365 Days, 4000 Pulse Events, 1 sec to 23 hr 59 min Pulse, Wire Lead, NEMA 1, -40 to 120 deg F, Wall Mount, 7.8 in H x 5.1 in W x 3 in D