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Newmar 2-3-120 Battery Isolator [2-3-120]

Newmar 2-3-120 Battery Isolator [2-3-120]

Overview:

2-3-120 Battery IsolatorThis heavy-duty isolator allows charging multiple batteries automatically from one or two alternators and prevents the discharge or ‘dumping” of one battery into another. Ea... Continue Reading
  • $400.99
    Unit price per 
  • Was $532.80
  • Save $131.81
SKU: 102296 UPC: Weight: 5.25 lb
Availability: Only 1 left!

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)

The Newmar 2-3-120 Battery Isolator [2-3-120] was built with people like you in mind. Something to keep you happy. Every. Single. Day.

Inventory Last Updated: Feb 25, 2024

Your product will be delivered from one of these locations below depending on the availability.

Our Warehouses

New Jersey

18 Butler Ave, Bayville, NJ 08721

Florida

8918 Sabal Industrial Blvd, Tampa, FL 33619

Shipping will be done via UPS, FedEx or USPS. Courier's standard terms, conditions and policies will be applied on all shipments. Please refer to courier's website for further details. Tracking info will be sent via email or sms to you when your order ships.

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