Store Locator
Sign In
Wish List
Car Service Parts & KitsCar BrakesEngine PartsSuspension & SteeringCar Transmission PartsCooling and HeatingCar Electrics and Car LightingBody & Exhaust PartsCar Lubricants and Fluids
In-Car TechCar Cleaning AccessoriesCar AccessoriesCar Transmission Oils, Lubricants & FluidsCar MaintenanceCar ComponentsCar Security Accessories & EquipmentWinter EssentialsSummer Essentials
Power Tools & AccessoriesHand ToolsCar Lifting & Recovery KitsAutomotive ToolsWorkshop ToolsTool Storage
Performance Car Parts & Styling

15 Minutes Free Click & Collect

Free Delivery over £25*

Easy Returns Over 250 Stores

Flexible Payment

Exclusive App Deals

Beat the heat with Up to 20% off Swimming Pools. T&C's apply.

Maypole 30A Self Switching Dual Charge Relay
£11.49
Maypole 30A Self Switching Dual Charge Relay
Maypole 30A Self Switching Dual Charge Relay
Maypole 30A Self Switching Dual Charge Relay
Maypole

Maypole 30A Self Switching Dual Charge Relay

560770940
Available
Add postcode to check availability
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
£11.49
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Product details

Maypole 30A Self Switching Dual Charge Relay

Charging 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 "
  • 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
  • No separate signal wire necessary
    • Delivery & Returns
    Reviews
    0% Finance Available on purchases over £99. Subject to status. Terms and Conditions Apply.

    0% interest for 4 months on purchases over £99

    Balances after this period or transactions under £99 are charged interest at the standard variable rate. The minimum payment due still applies to 0% offer balances. Any remaining balance due after the 4-month promotional period or any transactions under £99.00 will be charged interest at 23.9% p.a. (variable). In order to maintain the 0% offer, you need to keep up monthly repayments and stay within your credit limit.

    Help