ARCO Marine BI-1203-3A Battery Isolator - 120A - 1 Alternator, 3 Battery [BI-1203-3A] Marine Plumbing & Ventilation | Engine Cooling Pumps making it ideal for sail

making it ideal for sail as well as power conditions

Shunt Shifter

high-impact polymers

FX-55 - Stock

5 oz (440 g)

ARCO Marine BI-1203-3A Battery Isolator - 120A - 1 Alternator, 3 Battery [BI-1203-3A] Marine Plumbing & Ventilation | Engine Cooling Pumps making it ideal for sailBI 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