


Perko 8504DP Medium Duty Battery Selector Switch with Alternator Field Disconnect & Key Lock - 8504DP
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Perko 8504DP Medium Duty Battery Selector Switch with Alternator Field Disconnect & Key Lock - 8504DPMedium Duty Battery Selector Switches Ignition Protected For use with 12, 24 and 32 volt marine electrical systems Capacity 250 AMPS continuous, 360 Amp Intermittent Medium Duty Battery Selector Switch w Alternator Field Disconnect w Key Lock
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- Express: 1-2 business days
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- We offer a 30-day return/exchange service after receiving.
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4.6 ★★★★★
Based on 1153 reviews
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Product Reviews
★★★★★ 4
Functions. No trigger,need relay for car install
Functions,but will not turn off. No remote wire,just positive & negative. Need relay to install correctly to use on-board fuse. Or connect to remote only to view voltage use. No instructions.
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Reviewed in the United States on September 29, 2025
★★★★★ 5
Good quality
Good quality
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Reviewed in the United States on December 14, 2025
★★★★★ 5
Se ve excelente
Se ve de buena calidad, aún no lo instaló pero si se aprecia muy bueno.
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Reviewed in the United States on April 11, 2026
★★★★★ 5
Ez install
I really like how EZ it was to install, the display is handy tells you what your voltage is currently. Nice
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Reviewed in the United States on February 5, 2026
★★★★★ 5
Prompt arrival
It works as it should. I have a 500 amp fuse inside. It came with a 100 amp fuse already installed. I have heard too many horror stories about being a "team no fuse". I'm glad mine came the following day after ordering it. The voltmeter is nice and clear. Although I won't keep it on all the time, just to show off when I have my hood up at gatherings 😎
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Reviewed in the United States on November 22, 2024
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