Electronic Timer, Astronomic/Programmable, Channels 1, Poles 1, Contact Form SPST, Voltage 120-277, Amps 40, HP @ 120V 1, HP @ 240V 2, Max. On/Off Cycles 20, Min. Time Setting 1 Min, Max. Time Setting 24 Hrs./7 Days, Operation Mode 7 Day, NEMA Rating 3R, Enclosure Plastic I/O, Color Tan, Capacitor for Permanent Schedule Retention, Momentary Option, Locking Hasp, Backup Time 100 Hrs, Operating Temp. -40 to 149 F, Standards cULus, Meets CA Title 24