With the growing trend for boat owners to fit more and more electronics, especially in smaller powerboats, the need arose for a simple device for isolating a second battery and electronics from harmful engine starting spikes.

The VSR (Voltage Sensitive Relay) makes this possible, while allowing two or more batteries to be charged at the same time.

Part Nos:
710-125A: For use on 12 volt charging systems up to 125A/12V.