ARCO Marine Outboard BI-1203-3A Battery Isolator - 120A - 1 Alternator, 3 Battery is organized for ignition & electrical engine parts shoppers who need a clear, professional marine parts buying experience.

BI-1203-3A Battery Isolator - 120A - 1 Alternator, 3 Battery The Arco Marine BI-1203-3A is an inboard/outboard battery isolator that can handle 1 alternator, 3 batteries, and 120A max. Rated for use with 10 to 350-amp alternators on 12, 24, or 32-volt negative ground systems. *Includes exciter terminal Features: 1 alternator, 3 batteries, 120A max Inboard and outboard battery isolators are solid-state devices that allow electrical current to flow in one direction ONLY, thus permitting the alternator to be connected directly to two batteries without fear of one higher-charged battery discharging into the lower-charged battery. Both batteries are always being charged automatically, in proporti

Fitment & Product Details

• Brand / Manufacturer: ARCO Marine
• Application: Outboard Parts, Inboard Parts

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