Panel Mount Double Pole Battery Disconnect Switch Battery Disconnect, Rotary Switch, Panel Mount, 175 Amps, 12V, Alternator cut-off, Aluminum On / Off Panel. 2 Terminal thread 3/8-24 - 175amp continuous duty 2 Terminal thread 10-32 - 20amp continuous duty 12V - 175amp rated Rotary Switch Alternator Disconnect - YES Battery disconnect switches control electrical supply to the vehicle allowing vehicle to be shut down in the event of an emergency or to secure vehicle when not in use. Disconnects are offered as a single pole version and a double pole with two separate circuits for vehicles equipped with an alternator. Standard duty switch is pre-mounted in a 2-3/4" x 3-1/4" aluminum panel with brightly screen printed graphics to indicate the On/Off position. Switch has 3/8"-24 terminals and is rated at 175 amp continuous duty. Double pole switch also has 10-32 studs rated at 20 amp continuous duty