The Voltage Sensitive Relay (VSR) allows two batteries to be charged at the same time. It will automatically prioritise the charging of the start battery in twin battery systems. When the engine is first started the relay is open and remains open until the start battery has reached a preset 13.7 Volts for 12 Volt systmes and 27.4 Volts for 24 Volt systems. At the rated voltaged the relay closes providing charge to both batteries (start and house). When the voltage drops below 12.8 Volts (when the engine is stopped), the VSR disengages, separating the batteries. 


SKU 8181624
Brand BEP

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