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

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)

Ship any number of items to any lower 48 states (Continental US) Shipping Charges (Per Session Total Value) may apply :

Rate Name	Condition	Fee
Alpha	$0.01 To $50	$09.95
Beta	$50.01 To $150	$08.50
Gamma	$150.01 To $300	$06.90
Delta	$300.01 To $499.99	$04.90
Epsilon	$500 & Up	$0.00

 

 

Shipping Delivery Time:

• Cutoff Time: 10:00 PM (GMT-05:00) Eastern Standard Time (New York)
• Handling Time: 02-03 Business Days.
• Transit Time: 05-07 Business Days.

• We may use UPS, FedEx, or USPS shipping services.

• The day of shipment does not count as a transit day Offer is valid in the continental US (lower 48 states) only.

• The offer does not include 'Alaska' 'Hawaii