Description
Overview:
Compact combination caravan relay with automatic voltage monitoring to switch the supply from the towing vehicle to the caravan. Provides a feed for the refrigerator and charges an auxiliary/leisure battery while driving, without needing a separate signal wire. Designed to carry 20A continuously when current is available from the vehicle alternator/battery. Features low voltage drop with built-in protection and compensation to maintain stable operation. Made in the UK.
Specification:
- Automatic voltage sensing; switches vehicle supply to caravan
- Powers caravan refrigerator and charges auxiliary/leisure battery
- Self-switching design; no separate signal/control wire required
- 20A continuous switching capability (vehicle alternator/battery dependent)
- Factory-set, adjustable voltage trip with a narrow hysteresis band
- Over-temperature protection for reliability
- Line voltage drop compensation for stable performance
- Approx. 0.1V drop at rated output
- Manufactured in the UK
- Retail display variant available: MP2881
Typical Applications:
Used in towing electrics to control fridge power and leisure battery charging on caravans. Also suitable where an auxiliary battery on a trailer or plant transporter needs charge from the towing vehicle during transit.
Product Specifications
| L&S Part No. | 763 438 |
|---|---|
| Part Type | Genuine Part |
| Unit of Sale | 1 |

