![ARCO Marine BI-1203-3A Battery Isolator - 120A - 1 Alternator, 3 Battery [BI-1203-3A]](https://cdn.shopify.com/s/files/1/1592/4149/files/106601XL.jpg?v=1730992408)
OE-spec
Specifications
| SKU | BI-1203-3A-ARC |
Fitment
ARCO MARINE · BI-1203-3A-ARC
ARCO Marine BI-1203-3A Battery Isolator - 120A - 1 Alternator, 3 Battery [BI-1203-3A]
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-s
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