Skip to product information
1 of 1

Newmar Power

Newmar 1-2-120 Battery Isolator

Newmar 1-2-120 Battery Isolator

SKU:102292

Regular price $255.00 USD
Regular price Sale price $255.00 USD
Sale Sold out
Taxes included. Shipping calculated at checkout.

Low stock: 3 left

Quantity
Authorized Newmar Power Dealer
Genuine product · full manufacturer warranty
Secure checkout via Shopify Payments

1-2-120 Battery Isolator

This heavy-duty isolator allows multiple batteries to charge 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. This model is a 120-amp alternator.

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 provided
  • Protective covers provided for terminals

Specifications:

  • Operating Temperature: -40 to +80°
  • Duty Cycle: Continuous rating to 50° C Derate linearly to 70% @ 80° C
  • Temp. Rise: 5° C at full rated current (mount vertically for optimum cooling)
  • Voltage Drop: 0.7V @ 50% load, 0.9V @ full load
  • Alternator Sources: 1
  • Battery Bank: 2
  • Max. Amperage Input Capacity: 120
  • Stud Terminal Size: 6mm
  • Dimensions (L x W x H): 6.5" x 4.5" x 3.1"
  • Weight: 3 lbs.

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

Specifications

Manufacturer part number, dimensions and technical specs are listed in the product description above. Contact us if you need a spec sheet for this item.

Shipping & Returns

Fast, tracked shipping on in-stock items. Oversized and freight items may ship separately. See our return policy for details on eligible returns.

Warranty & Authorized Dealer

OutdoorsMarine is an authorized dealer. Every product is genuine and backed by the full manufacturer warranty.

View full details

Authorized dealer

Genuine products, full warranty.

Fast, tracked shipping

On in-stock marine gear.

Expert support

Talk to people who know the gear.

Secure checkout

Protected payments via Shopify.