Description
Perko 8504DP Medium Duty Battery Selector Switch w/Alternator Field Disconnect & Key Lock – Marine Boat Replacement Part is organized for ignition & electrical engine parts shoppers who need a clear, professional marine parts buying experience.
Medium Duty Battery Selector Switches Diameter: 5-1/4″ Depth: 2-5/8″ Polycarbonate Body with Brass Terminals Ignition Protected For use with 6 to 32 Volt Marine Electrical Systems Capacity – 250 AMPS Continuous, 360 AMPS 5 Mins. Intermittent Terminal Stud Size: 5/16″ 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.
Fitment & Product Details
- Brand / Manufacturer: Perko
- Material: brass
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- Verify compatibility with your original part number, engine model, and application before ordering.
- Built for boat owners, e-commerce shoppers, and professional marine service teams.






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