The GM40AV time switch is a universal, electromechanical time switch designed for general-purpose residential and commercial applications. The robust 40 A time switch automatically detects the input voltage without the use of a DIP switch or selector pins. The time switch automatically selects any voltage between 120-277 VAC. The mechanism is mounted in a compact UL Type 3R outdoor enclosure and can also be easily retrofitted into other Intermatic enclosure types. The time switch features a DPDT switching configuration standard (i.e. two normally open and two normally closed contacts). Captive trippers - trippers cannot be lost Self-recharging battery backup Power and status LED indicators Up to 48 ON/Off operations per 24 hr period DPDT switching configuration standard (2 NO and 2 NC contacts)