7 Day 24 Hours Timer with a N/O 4 Pole, 40 Amps, 120/208/240/277V, Control 120VAC, in DIN rail 4 Pole 40 Amp SPST contactor, allows multiple applications Electronic timer with 16 time schedules, 3 Year Battery backup Supplied with a DIN Rail Operation: 120VAC For Water heaters, Lighting, Pumps, Motors, Valves, Irrigation. To-the-minute programming for accurate load control and reduced energy costs