This switch sold on Amazon (see link below) is to connect and disconnect battery used in Card, trucks, RV, boats or any other applications where battery power is used. https://www.youtube.com/watch?v=cbrujyP2OFY...
This breaker or high current switch is tested from 60A to 240A to see under what condition is breaks the connection and how it functions. https://www.youtube.com/watch?v=KzlLiGzbHGQ Full video of the...