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Home » Battery Doctor® for Battery & Fuseblock » Voltage Sensitive Relay for Dual Batteries » 20395-7

Voltage Sensitive Relay

Voltage Sensitive Relay Click to enlarge

[20395-7]

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    Our Voltage Sensitive Relay (VSR) allows two batteries to be charged at the same time. When the engine is started the start battery reaches 13.7 volts, the VSR engages, allowing two battery banks (starter and house) to be charged simultaneously. When the voltage drops below 12.8 volts (for example, the engine is stopped), the VSR disengages – effectively separating the batteries. This system eliminates the possibility of draining the wrong battery and protects sensitive electronic equipment powered from the house battery from harmful engine start-up spikes.
  • Rating 12 VDC, 140 amps.

  • Rating 12 VDC, 140 amps.

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