Perko Medium Duty Battery Selector Switches are for use with 6 to 50 Volt Marine Electrical Systems. When used with Non-Unitized Alternators, this model will interrupt the field current (reducing the possibility of damage) if turned “OFF” with the engine running.

• For use with 6 to 50 Volt Marine Electrical Systems
• Capacity – 250 AMPS Continuous, 360 AMPS Intermittent
• Permits inadvertent switching to the “OFF” position without damage to the alternator.