timedelayrelay
nounUK /ˈtaɪm dɪˌleɪ ˈriːleɪ/
US /ˈtaɪm dɪˌleɪ ˈriːleɪ/
A time delay relay is a switch that waits a little while before it turns something on or off.
The time delay relay keeps the bathroom fan running for two minutes after you flip the switch.
RELATED WORDS
OTHER MEANINGS
2. A device used in industrial machines to sequence steps with a set pause.
The conveyor's time delay relay pauses the belt before the next box arrives.
3. A component in car electronics that delays power to accessories.
A time delay relay stops the headlights from flickering when the engine starts.
4. A safety part that holds a circuit off briefly to prevent sudden restarts.
After a power cut, the time delay relay kept the motor off for ten seconds.