OFF Delay circuit for DG Ex fan

Thread Starter

Mayak

Joined Aug 9, 2016
2
I have 150 KVA standby DG, and 250A ATS. I want DG room Ex fan, to ON with DG ON and continue for 5 min. after DG OFF, when normal power regain. Ex. fan is 3P, 400W. Looking for simple circuit & component details.
 
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