As race cars have gotten more complicated so has sanctioning bodies rules in making sure that a racecar's electrical power can be completely shut off.
This 4-Pole switch makes installing a "Master Disconnect" switch much simpler. A
Can be mounted in the same locations as traditional On/Off switches with the added security of being able to interrupt the alternator circuit
Four 3/8" -24 Terminals, rated at 125A continuous/ 750A intermittent, up to 36V DC max., Two Terminals marked "Terminal A" for the battery circuit and Two Terminals marked "Terminal B" for the alternator circuit