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![ARCO Marine BI-1203-3A Battery Isolator - 120A - 1 Alternator, 3 Battery [BI-1203-3A] Marine Hardware | Teak Lumber Sealed against dust and water](https://cdn.shopify.com/s/files/1/0177/6703/9076/files/106601XL.jpg?v=1761336067)
Ships within 48 hours · Estimated delivery Oct 18 - Oct 23
Sealed against dust and water intrusion to ensure reliable circuit protection for the life of the electrical system installation
UPC: 817382010271
Rated for Underwater Use
Standard 1 in-14 thread (male)
ARCO Marine BI-1203-3A Battery Isolator - 120A - 1 Alternator, 3 Battery [BI-1203-3A] Marine Hardware | Teak Lumber Sealed against dust and waterBI 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
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