Perko 9703DP Heavy Duty Battery Disconnect Switch with Alternator Field Disconnect

Polycarbonate body with brass terminals Dimensions: 5-1/4" diameter x 3-3/8" depth, 1/2" terminal stud size For use with 6 to 50 volt marine electrical systems Capacity: 450 Amps Continuous, 1200 Amps Intermittent (15 Seconds On, 5 Minutes Off) Ignition protected