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Newmar 1-2-120 Battery Isolator

MPN: 1-2-120
SKU: CW102292

Newmar 1-2-120 Battery Isolator

MPN: 1-2-120

SKU: CW102292

The 1-2-120 Battery Isolator is a heavy-duty device that allows multiple batteries to charge from one or two alternators without discharging into each other. It is rated for 12-, 24-, or 36-volt, negative ground DC systems and has a 120-amp alternator. The isolator features rustproof anodized aluminum construction and includes stainless steel mounting hardware. It is not compatible with self-exciting alternators and requires an external excitation lead.

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

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Product Description

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

Manufacturer : Newmar Power
Manufacturer Part No : 1-2-120

Specs & Manuals

Additional information

Weight 1.00 lbs
Brand

MPN

Reviews

4.8
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Ken Powell
17:20 07 Nov 24
I needed to return an item and it was quick and easy. Great customer service!
Wayne Jones
17:39 20 May 24
I ordered the wrong part first time. In 2 days they sent the correct switch . Very fast and knowledgeable.
maureen peterson
12:50 13 May 24
Super fast shipping.Great people to deal with, highly recommend... Thank you.
Jason Webre
18:13 04 Apr 24
When I order my bracket, I put the wrong mailing address. So the post office returned it to Fast Boat Parts. Armen the rep. For Fast Boat Parts, Immediately returned my call & has been doing a great job of watching for the returned bracket, keeping me informed of the status. The first bracket was delivered quickly & Armen has been very nice & thoughtful in assisting me with getting another bracket mailed to my correct address.
Ivana Gross
04:38 07 Oct 23
Very helpful and friendly staff! Would definitely recommend.
Donna Terzian
17:27 24 Aug 23
I am very pleased with the outstanding customer service I received with Fast Boats. They went out of their way personally to communicate with me and ensure a product, price, and delivery I would be happy with. Customer service rep Armen showed what good customer relations is all about.Donna
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4 in stock

$173.29

Free Shipping

OEM parts

4 in stock

-

With 2-Day Shipping

Get By Tuesday 05/06

30 Day Returns

Click to read our policy

Same Day Shipping

Order before 3PM EST

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$173.29