Voltage Sensitive Relay 12V 140A Dual Sense
BATTEK Battery Management System
rv, Caravan, 4wd
The Voltage Sensitive Relay (VSR) connect or disconnect dual batteries based on the battery condition. When the engine is started and the start battery reaches 13.3 volts, the VSR engages to allow two battery banks (start and auxiliary) to be charged at the same time.
When the voltage drops below 12.8 volts (such as the case in which 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 auxiliary battery from harmful engine start up spikes.
12V voltage sensitive relay
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