Ancor
Ancor Standard Duplex Cable - Flat 16/2 AWG - 2 x 1mm² Red/Black -Sold by the Foot
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ARCO Marine
ARCO Marine BI-1203-3A Battery Isolator - 120A - 1 Alternator, 3 Battery
In StockNewSKU: BI-1203-3A
$159.31$218.07CLOSEOUTper unit
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Description
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 dire
Accessories
No accessories listed for this product.
Specifications
| SKU | BI-1203-3A |
| UPC | 693006007496 |
| Brand | ARCO Marine |
| Category | Electrical |
| Country of Origin | 159.31 |
| Weight | 2.9 |
| Dimensions | 8 x 5 x 4 |
| Status | Active |
| Last Synced | 8/17/2026, 1:13:40 AM |
Compliance & Shipping
Non-Returnable
Product Literature
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Frequently Bought Together
Compare Key Features
| Feature |  ARCO Marine BI-1203-3A Battery Isolator - 120A - 1 Alternator, 3 Battery CURRENT |  Victron Argo FET Battery Isolator - 200AMP - 2 Batteries |  ProMariner ProSafe FAILSAFE 30amp Galvanic Isolator |  Victron Argo Diode Battery Isolator - 160AMP - 2 Batteries |  Victron Argo FET Battery Isolator - 100AMP - 2 Batteries |
|---|---|---|---|---|---|
| Price | $159.31 | $119.85 | $431.79 | $90.10 | $100.30 |
| Brand | ARCO Marine | Victron Energy | ProMariner | Victron Energy | Victron Energy |
| Condition | New | New | New | New | New |
| Availability | In Stock | In Stock | In Stock | In Stock | In Stock |
| Weight | 2.9 | 3.13 | 3.31 | 2.51 | 3.28 |
| Dimensions | 8 x 5 x 4 | 12 x 7 x 3 | 13 x 7 x 3 | 7 x 6 x 3 | 10 x 6 x 3 |
| SKU | BI-1203-3A | ARG200201020R | 22034 | ARG160201020 | ARG100201020 |
| Country | 159.31 | INDIA | CHINA | INDIA | INDIA |
| View Item | View Item | View Item | View Item | View Item |
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$159.31