For application up to 48 volts DC, this mini master single battery disconnect switch can be in either a 2 or 4 position. It has a continuous rating of 300 amps, intermittent rating of 1000 amps/5 seconds, crank rating of 700 amps/10 seconds, and can be used with 1 or 2 batteries, dimensions 69mm x 69mm x 75mm high, surface or panel mount. | WirthCo Battery Doctor Mini Master Single Battery Disconnect Switch