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Newmar 2-3-120 Battery Isolator [2-3-120]
Newmar 2-3-120 Battery Isolator [2-3-120] is backordered and will ship as soon as it is back in stock.
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Care information
Care information
Please follow the manufacturer’s care recommendations as provided in the product manual.
Delivery and Shipping
Delivery and Shipping
All orders placed by 4pm EST will ship the same day as long as everything requested is currently in stock.
Shipping would be either via UPS, Canada Post or USPS.
All orders outside the United States may incur Custom charges of your country.
2-3-120 Battery Isolator
This heavy-duty isolator allows charging multiple batteries automatically from one or two alternators and prevents the discharge or ‘dumping” of one battery into another. Each battery is charged according to its need without overcharging and is rated for 12-, 24-, or 36-volt negative ground DC systems.
Features:
- Conservatively rated diodes and a rustproof anodized aluminum heat sink case.
- Heavy-duty construction
- Rated for systems up to 48 volts DC, negative ground
- Rust-proof anodized aluminum case
- Stainless steel mounting hardware is provided
- Protective covers are provided for terminals
Specifications:
- Alternator Sources: 2
- Battery Bank: 3
- Max. Amperage Input Capacity: 120
- Stud Terminal Size: 6mm
- Dimensions (L x W x H): 12.5 x 4.5 x 3.1 inches
- Weight: 5 lbs.
- Operating Temperature: -40 to +80 degrees
- Duty Cycle: Continuous rating to 50 degrees C Derate linearly to 70% @ 80 degrees C.
- Temp. Rise: 5 degrees C at full rated current (mount vertically for optimum cooling)
- Voltage Drop: 0.7V @ 50% load, 0.9V @ full load
*Note: These battery isolators are not compatible with self-exciting alternators. The alternator must have an external excitation lead. Please consult the manufacturer of your alternator if you are unsure of your configuration
Quick Guide (pdf)
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