This outdoor and indoor rated single pole, single throw time switch will run heavy duty appliances such as fountain and waterfall pumps, water heaters, air conditioners, pool pumps, and other heavy duty equipment. Settings repeat at the same time daily, ideal for pools, spas, and heaters. Set up to 48 cycles per day. Save money on energy costs and equipment wear and tear by only timing appliances to run when needed. Features include multiple voltage on 1 unit (120, 208/240, and 277V), an industrial grade locking box, and NEVER LOSE pins that won"t come out. Manual On/Off switch. Normally open contacts, 40A Resistive, 120 277V AC, 30A general purpose, 120 277V AC, 20A Resistive, 30V DC, 1 HP, 120V AC; 2 HP, 240V AC, 20A ballast, 120 277V AC, 15A Tungsten, 120V AC, 800VA, pilot duty, 120V AC, 720VA, pilot duty, 240V AC, TV 5, 120V AC.