▲ Specifications
●Automotive Dual Battery Isolator Relay Protection Voltage Split Charge 12V 140A Kit
●Material: Nylon
●Color: Black
●Nominal Voltage: DC 12V
●Combine Voltage: DC 13.3V
●Open Voltage: DC 12.8V
●Continuous Rating: DC 125A
●Intermittent Rating: DC 140A
●Power Consumption: 10mA (Standby)/330mA(Engage) / 0mA (Storage)
●Terminal Studs|: M6(1/4″)
●Waterproof Level: IP68
●Size: 68mm*68mm*53mm/2.6in*2.6in*2in
▲ Features
●Suitable for installation into camper vans, 4x4s, recreational vehicles and marine applications.
●Automatically combine two batteries when charging and isolate the two batteries when not charging.
●No voltage drop compared to the battery isolation diode (0.6V).
●Sturdy glass-fiber-reinforced nylon shell.
●Built-in LED indication (on when VSR starts).
●Surface or panel mount options provide installation flexibility.
●Optional storage mode allows zero power consumption when the engine is off.
●The relay makes at 13.3V and breaks at 12.8V.
●Easy 3 wire connection at the battery. No need to bypass existing alternator wiring.
▲ Description
The voltage-sensitive relay (VSR) allows two batteries to be charged at the same time. When the engine is started and the start battery reaches 13.3 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.
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