|Created||September 07, 2012|
|Last modified||September 07, 2012|
When this circuit is connected to a 48V DC battery pack the relay will energies when the voltage gets to 40V DC. The exact voltage may be set on Trimmer R7. The purpose is to cause a standby generator to start and charge the batteries.
The 48V DC supply from a battery pack is compared to a reference voltage and if lower than 40V DC the relay will call and cause a generator to start and charge the batteries. The exact point of operation may be adjusted by trimmer R7. A red LED is incorporated to indicate the circuit is on.
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