EMAIL: sales@boaterstop.com PHONE: 919-951-4313

Free Shipping On All Orders Over $50

Newmar Power  |  SKU: 1-2-120-NEW

Newmar 1-2-120 Battery Isolator

$175.99 $216.00
Shipping calculated at checkout.

Delivery and Shipping

All orders placed before 3 PM EST ship the same day

We offer multiple shipping options to ensure you get the part you need at a discount.

Best Way -$11.97

Ground -$14.69

2nd Day Air -$25.89

Overnight -$59.99

In addition, we can ship on your account or via a preferred method upon request.

Found a better price? Need faster shipping?

Call or email! 919-951-4313 or sales@boaterstop.com

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

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Product Categories