Time Delay RelayThe 021 Timer offers a delay on operate function. The timing range of the Adjustable Delay Timer is user specified up to one hour. The Delay on Operation can be manually set to any time within the selected range. Timing is initiated by application of power to the Time Delay. Upon completion of the timing cycle, the output relay will energize.
A single phase AC line and properly rated light bulbs are needed to test the delay on operate timer.