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.
High output 30A self-switching dual charge relay 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 30a continuously when available from car’s alternator/battery Adjustable factory set voltage trip with narrow band hysteresis Over temperature protection Line voltage drop compensation
Comes Complete with instructions Another Quality Product From MAYPOLE (A UK Company)