The GMX Series Time Switches are universal, electromechanical time controls. They are a low cost alternative for applications that do not require more than 21 Amp or 2 HP @ 240 VAC. The unit is mounted in a UL Type 1 or UL Type 3R outdoor enclosure. The GMX is a light-duty commercial time switch ideal for 24 or 120 VAC single phase applications, such as lighting control, heating, air-conditioning, pumps, motors, fans, agricultural facilities and general electrical circuits.