Voltage Sensitive Split Charge Relay 12v/140A

The 12V 140A Voltage Sensitive Relay (VSR) is a rugged and reliable solution for dual battery management in automotive applications. Perfect for 4x4s, campervans, utes, and off-road vehicles, this VSR automatically links the auxiliary battery to the starter battery while charging, and disconnects it when the engine is off—preventing drain on the starter battery.

With a 140A continuous current rating, it easily powers demanding 12V accessories such as fridges, spotlights, and inverters. Designed for tough environments, the VSR features a compact, ignition-protected housing with M6 studs, making installation simple and secure.

Key Features:

• 12V 140A Voltage Sensitive Relay (VSR) for dual battery systems

• Automatic connect/disconnect based on charge voltage

• Engage at 13.7V, disengage at 12.8V

• Protects starter battery from drain

• Handles high-draw 12V accessories – fridges, spotlights, inverters

• Rugged, compact design with ignition protection (UL1107)

• M6 stud connections for secure wiring

• Dimensions: 68 × 68 × 49mm, weight: 0.2kg

• Suitable for cars, vans, 4x4s, utes, campervans & off-road vehicles

A smart and durable relay for hassle-free dual battery management in demanding automotive applications.