Medium Duty Battery Disconnect Switch, Part #: 9601DP, Features: Ignition Protected, For use with 12, 24 and 32 Volt Marine Electrical Systems, Capacity – 250 Amps Continuous & 360 Amps Intermittent, When used with Non-Unitized Alternators, these models will interrupt the field current (reducing the possibility of damage) if turned “OFF” with the engine running.