The 4 terminal Longacre battery master switch ensures complete electrical shutdown when it is operated. It prevents damage to the alternator diode and also prevents engine run on when operated. The master switch comes with a bright red handle, so it is easy to find in an emergency situation.
- Can be used on 6, 12 or 24 volt systems, it has a 150 amp continuous rating and 1000 amp intermittent.
- Very reliable master switch which will help prevent damage to your competition car.