Description
Overview:
30A self-switching dual charge relay for 12S caravan/towing electrics. Voltage-sensing operation supplies charge from the vehicle alternator/battery to a caravan leisure battery and fridge while the engine is running, then disconnects to protect the starter battery when voltage falls. For 12V systems; no separate ignition or signal wire required. Display packed for retail.
Specification:
- 12S combination caravan relay switching power from car to caravan
- Self-switching voltage-sensing design (no separate trigger wire)
- Monitors alternator/battery voltage and current availability automatically
- 30A continuous switching capability (when available from vehicle system)
- Factory-set voltage trip, adjustable via top potentiometer
- Typical engage ~13.5V; disengage ~12.9V (adjustable)
- Over-temperature protection
- Line voltage drop compensation
- Low voltage drop at rated output (around 0.1V)
- Compatible with stop/start vehicles (direct battery connection)
- Made in the UK
- Display packed
- Bulk version available: MP2883B
Typical Applications:
Used on towing vehicles with 12S (supplementary) electrics to charge a caravan leisure battery and power the fridge while driving, and to isolate loads when the engine is off. Suitable for caravans and trailers with auxiliary batteries where automatic charge/disconnect is required.
Product Specifications
| L&S Part No. | 763 446 |
|---|---|
| Part Type | Genuine Part |
| Unit of Sale | 1 |
