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Time Delay Off Voltage Comparator

sallc5

Aug 11, 2014
3
Joined
Aug 11, 2014
Messages
3
Hello,

I am looking for a circuit that when voltage drops below a threshold(or no voltage) it will keep relay coil energized until a certain time has elapsed.

12v DC Input
Low Voltage Cut-Off - 0.5V DC or as close to 0 as possible.
Time Delay Off - 5 Minutes max(pot adjustable?)

If not enough info I will try to provide more. Thanks for any help!
 
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