12 Volt Split charge Voltage Sensing relay VSR 140A

12 Volt Split charge Voltage Sensing relay VSR 140A
Product Code: vsr-12v-140a
List Price: £31.58
£30.00 with 5% off for cash on collection
£30.63 with 3% off for online card payment
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Availability: In Stock

Bi-Directional, zero loss Split Charging
Fully automatic operation
‘Connected’ LED indicator
Sealed for marine/under hood installation
Ignition Protected

Very simple to install, does not require a connection to vehicle alternator

Fully epoxy sealed unit for years of trouble free service

Only 3 Connections to make

Power in, Power out & negative...that's it!
The idea of a "voltage sensitive relay" (VSR) or "voltage controlled relay" (VCR) as they are sometimes known,  is to simplify the installation, no connection is made to the vehicles alternator .

Simply connect this relay to the towing vehicles positive battery terminal (via a fuse!) and link to the leisure battery
The relay monitors the towing vehicles battery voltage and when it reaches 13.3vdc, the relay switches on and supplies charging current to the aux. circuits.  When the engine is stopped and the voltage of the vehicles main battery drops below 12.8vdc the unit switches off.
Only 3 connections are required to the unit and as such it can be fitted in next to no time .
Supplied with detailed full colour  instructions. (No cable is supplied)

Switch on voltage 13.7vdc

Switch off voltage 12.7vdc

Dimensions:-65 x 65 x 53mm

Relay connections:- 2 x 6mm studs for power in and out. 1 x 450mm cable for negative


Also available as a Kit with all the cables, under separate listing.

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