Newmar 1-3-70 Battery Isolator

1-3-70 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: 1
• Battery Bank: 3    
• Max. Amperage Input Capacity: 70
• Stud Terminal Size: 6mm    
• Dimensions (L x W x H): 3.25 x 4.5 x 3.1 inches
• Weight: 2 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

This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.
Quick Guide (pdf)

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.