ARCO Marine BI-1203-3A Battery Isolator - 120A - 1 Alternator, 3 Battery

ARCO Marine BI-1203-3A Battery Isolator - 120A - 1 Alternator, 3 Battery

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 altern