Voltage Sensitive Split Charge Relay 12v/140A

The 12V 140A Voltage Sensitive Relay (VSR) is built for tough automotive use, ideal for 4x4s, campervans, utes, and off-road vehicles with dual battery setups. It automatically connects your auxiliary battery when the vehicle is charging and isolates it when the engine is off—protecting your starter battery from being drained. With a high 140A current rating, it easily handles demanding 12V accessories like fridges, spotlights, and inverters. Rugged, compact, and simple to install, it’s the smart choice for reliable dual battery management in any vehicle. 

Continuous Rating : 12VDC/140 amps

Sense: Dual

Engage Voltage: 13.7VDC

Disengage Voltage: 12.8VDC

Ignition Protected: UL1107

Stud: M6

Ground : Negative, 0.5M/18 AWG wire

Weight: 0.2Kg

Dimensions: 68mm x 68mm x 49mm

Mounting Screws: 4.8 x 50mm and 3.5 x 13mm