ARCO Marine BI-3202 Battery Isolator - 120A - 2 Alternator, 2 Battery

The BI-3202 Battery Isolator by Arco Marine is an essential component for boaters looking to efficiently manage their electrical systems. Designed to handle up to 120A, this robust isolator supports dual alternators and dual batteries, ensuring reliable power distribution and optimal battery health for your marine adventures.

Key Features

• Dual Alternator & Dual Battery Support: Capable of managing 2 alternators and 2 batteries, making it ideal for complex marine electrical setups.
• High Current Capacity: Handles a maximum of 120A, suitable for a wide range of marine applications.
• Versatile Voltage Compatibility: Operates on 12, 24, or 32-volt negative ground systems, accommodating various boat configurations.
• Solid-State Design: Ensures electrical current flows in one direction only, preventing battery discharge and enhancing system reliability.
• Automatic Charging: Both batteries are charged proportionally based on their needs whenever the engine is running, without manual intervention.
• Seamless Integration with Selector Switches: Eliminates the need to change switch positions to charge both batteries, simplifying operation.
• Proportional Current Distribution: Automatically adjusts the charging current to each battery as required, regardless of switch positions.

Technical Specifications

Parameter	Specification
Model	BI-3202
Maximum Current	120A
Alternators Supported	2
Batteries Supported	2
Voltage Compatibility	12V, 24V, 32V
Ground Type	Negative Ground
Alternator Amp Range	10 to 350A

Installation & Usage

The BI-3202 Battery Isolator is designed for both inboard and outboard installations, offering flexibility to fit various marine setups. Its solid-state technology simplifies the wiring process by allowing direct connection to two batteries without the risk of one battery discharging into another. This ensures that each battery receives the appropriate charge based on its individual requirements, enhancing the overall efficiency of your boat's electrical system.

Important Considerations

Compatibility Notice: The Battery Isolator is not suitable for use with 12-volt charging systems that include 24-volt trolling motors or with newer outboard engines equipped with rectifier-regulator charging systems. Please ensure your system meets the compatibility requirements before installation.

Customer Support & Resources

Return Policy: This product may not be returned to the original point of purchase. For any issues or concerns, please contact the manufacturer directly to ensure proper assistance.

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