CAMDEN DOOR CONTROLS CX-1000/ 74 MicroMinder is a flexible easy-to-operate, delay on release timer which operates on 12 to 24 Volts AC / DC . The delay is adjustable from 1 to 30 seconds, and is accessed through a hole in the cover. The Form C relay output is rated at 3 amps @ 28 VDC . The input may be a dry contact such as a wall switch.The compact enclosure protects the relay should it be placed inside a metal box, operator housing, or in the ceiling or wall cavity. The circuit board may be removed from the enclosure if space is at a premium.