Newmar Power 1-3-165 Battery Isolator for Heavy-Duty Battery Management

1-3-165 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: 165
• Stud Terminal Size: 6mm
• Dimensions (L x W x H): 9 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

The Newmar Power 1-3-165 Battery Isolator is a robust device designed for efficient and automatic charging of multiple batteries from one or two alternators. Its heavy-duty construction ensures reliable performance under demanding conditions, making it suitable for various vehicle and marine applications. The isolator effectively prevents the discharge of one battery into another, safeguarding your battery bank while ensuring each battery receives proper charging based on its individual needs. Compatible with 12-volt, 24-volt, and 36-volt negative ground DC systems, this isolator offers versatile application options. The unit features conservatively rated diodes and a rustproof anodized aluminum heat sink case, which facilitate optimal heat dissipation and durability. Rated for systems up to 48 volts DC, it includes stainless steel mounting hardware and protective covers for terminals, simplifying installation and enhancing safety. With a maximum input capacity of 165 amps, this isolator is built for continuous operation in demanding environments. Its compact design measures approximately 9 inches long, 4.5 inches wide, and 3.1 inches high, weighing about 5 pounds, making it a space-efficient choice for your power management system. The device operates reliably across a temperature range from -40°F to +176°F, with linear derating at higher temperatures to maintain performance. Voltage drops are minimal at 0.7V at 50% load and 0.9V at full load, ensuring efficient energy transfer. Note that this isolator requires an alternator with an external excitation lead, as it is incompatible with self-exciting alternators. Proper configuration and compatibility should be confirmed with your alternator manufacturer before installation. Please be aware that returns are limited to direct manufacturer contact, and the product cannot be returned to the original point of purchase. The Newmar Power 1-3-165 Battery Isolator is an essential component for reliable battery management in heavy-duty vehicle and marine systems, offering durability, safety, and efficient charge regulation in a compact design.

Features:

• Conservatively rated diodes and rustproof anodized aluminum heat sink case for durability and heat dissipation

• Heavy-duty construction rated for systems up to 48 volts DC, negative ground

• Designed for continuous operation with a maximum input capacity of 165 amps

• Includes stainless steel mounting hardware and protective terminal covers for easy installation and safety

• Suitable for 12V, 24V, and 36V negative ground DC systems, preventing battery discharge and overcharging