Aeroflow battery disconnect switches control the electrical supply to the vehicle. Allowing the user to shut down power in the vehicle in the event of an emergency or to secure the vehicle when not in use. This heavy duty four pole master disconnect switch has a rating of 2000 amps intermittent and 300 amps continuous. Two pairs of copper studs (1/2"-20 & 10-32) make it ideal for disconnecting alternator (or another electrical device) in addition to the battery. A red locking switch and mounting panel with engraved markings are suitable for mounting to a panel up to 1/4 thick, along with an index pin to help align the switch. The unit has a sealed shaft that keeps out moisture and debris out of the switch itself and can be mounted inside or outside the vehicle.