Self Switching 30 amp dual charge relay for your caravan battery

Combination relays are suitable for 12S electrics and will charge a caravan leisure battery and/or power the fridge, while the vehicle is running. It also protects the vehicle battery from drain when the engine is turned off.

Combination caravan relay with automatic voltage monitoring and switches the power supply from car to caravan
Self switching voltage sensor relay
Provides power for refrigerator and charges auxiliary battery
Automatic monitoring of voltage and current availability from car’s alternator/battery
No separate signal wire necessary
Able to switch 30 amp continuously when available from car’s alternator/battery
Adjustable factory set voltage trip with narrow band hysteresis
Over temperature protection
Line voltage drop compensation
Low voltage drop (around 0.1v) at rated output
Made in the UK