Heavy Duty 30 Amp Automatic Caravan Battery Charging Relay Kit
Required when installing 12S or full 13 pin towing electrics for caravan auxilliary circuits
Relat kit includes
- Voltage sensing relay for simple installation (requires less wiring)
- Full fitting instructions
- Suitable for use with the larger fridge and leisure batteries installed in modern caravans.
- 10M of 15Amp Red/White power supply cable
- 2 x 15Amp fuses and "in line" fuse holders.
- 0.2M of White earth wire
- Ring terminal
Voltage sensor circuits in the relay monitor the power supply from your car and switch to caravan battery charging when your car's engine is running and the car battery is charging.
Relay
Terminal
|
12S
(ISO3732) Connection
|
12v
|
First 35/0.3 (2.5 sq mm) cable from
car battery
|
12v
|
Second 35/0.3 cable from car battery
(Recommended for 30a loads)
|
6
|
12S Socket - Pin 6. Red Lead (Switched Supply)
|
4
|
12S Socket - Pin 4 Green Lead (Constant Supply)
|
2
|
12S Socket - Pin 2 Blue Lead (Switched Supply - original UK caravan
system)
|
0v
|
Suitable earth, minimum 16/0.2 thin
wall preferably to chassis with ring terminal
|
Relay Terminal
|
13
Pin (ISO11446) Connection
|
12v
|
First 35/0.3 (2.5 sq mm) cable from
car battery
|
12v
|
Second 35/0.3 cable from car battery
(Recommended for 30a loads)
|
6
|
Socket - Pin 10 Grey Lead (Switched
Supply)
|
4
|
Socket
- Pin 9 Orange
Lead (Constant Supply)
|
2
|
Socket - Pin 10 Grey Lead (Switched
Supply)
|
0v
|
Suitable earth, minimum 16/0.2 thin
wall preferably to chassis with ring terminal
|
A full range of towing relays are also available, see our Ebay shop for details. From basic audible to 7 way electronic by-pass. We also stock a large range of vehicle specific wiring kits for use with CAN BUS systems, these are essential for the correct operation of vehicle safety systems on many new cars (TSP, ESP etc.)