The Dual Sense VSR supersedes the single sensed unit by allowing the voltage of both battery banks to be monitored. If either battery bank is receiving a charge the VSR will parallel the two battery banks. The Dual Sense unit is designed for situations where a 230 volt battery charger or second charging source is used into the house battery bank.
Lowered cut in voltage from 13.7V to 13.4V (26.8V for 24V) to suit low output alternators, and high temperature environments. When the voltage of a battery bank reaches 13.7 volts, the VSR engages, allowing two battery banks (start and house) to be charged simultaneously. When the voltage drops below 12.8 volts (eg. the engine is stopped), the VSR disengages, separating the batteries. This system eliminates the possibility of draining the start battery and protects sensitive electronic equipment powered from the house battery from harmful engine start up spikes.
H 69mm W 69 D 50mm