turn-off delay relay

noun
UK /ˌtɜːn ˈɒf dɪˌleɪ ˈriːleɪ/
US /ˌtɝːn ˈɔːf dɪˌleɪ ˈriːleɪ/

A turn-off delay relay is a switch that keeps something on for a little while after you tell it to stop.

The turn-off delay relay keeps the hallway light on for two minutes after you flip the switch.

SYNONYMS

off-delay timerdelay-off relayrelease-delay relaypost-turn-off timer

RELATED WORDS

timercontactorcircuitswitchautomation

OTHER MEANINGS

2. A relay that delays the opening of its contacts after its coil is de-energized.

The pump uses a turn-off delay relay so it keeps running briefly after the valve closes.

3. A control device used in lighting to let lamps stay lit for a set time after the switch is pressed.

The stairwell turn-off delay relay gives people time to reach the next floor.

4. A component in industrial panels that prevents equipment from stopping too abruptly.

Engineers added a turn-off delay relay to smooth the conveyor's shutdown.