Intermatic"s Electronic Astronomic 7-Day Time Switch automatically switches loads according to a preset weekly schedule with to-the-minute accuracy. The astronomic feature provides sunset ON and sunrise OFF settings to eliminate the need for separate photo control devices. The independent 7-day programming provides complete flexibility for applications where load switching differs each day of the week. Astronomic programming can be combined with independent programs to provide a sunset ON and timed OFF program. Resistive Wattage is 30 Amp @ 24/120/240/277 VAC; 20 Amp @ 28 VDC; Tungsten Wattage is 5 Amp @ 120/240 VAC. Product features 20 Amp @ 120-277 VAC ballast and 1 HP / 2 HP motor.