Newmar 12120 Battery Isolator 12120

Newmar 1-2-120 Battery Isolator [1-2-120]

$255.00
Sale price  $255.00 Regular price  $0.00
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Newmar 12120 Battery Isolator 12120

Newmar 1-2-120 Battery Isolator [1-2-120]

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$255.00
Sale price  $255.00 Regular price  $0.00
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Manufacturer Warranty Full Warranty Included

Questions before ordering?

Text our installation team for help confirming fitment, wiring, and compatibility before you buy.

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

Why Buy From Flyte Tech?

Flyte Tech is a family-owned marine electronics business based in Gulfport, FL, with hands-on experience installing the products we sell.

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