Utilizing a make before break design, this switch functions as a main disconnect. For use with systems under 50 volts. Rated 250 amps continuous, 360 amps intermittent. 5-1/4" dia. x 2-5/8" H. Rated 250 amps continuous, 360 amps intermittent 5-1/4"" dia. x 2-5/8"" H | Perko Main Battery Switch