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Battery Isolator 3-Batteries 1-Alternator 130-AMP


Battery Isolator 3-Batteries 1-Alternator 130-AMP

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  • Application: Designed for systems with 3 batteries and 1 alternator.
  • Ground Type: Negative ground configuration.
  • Dimensions:
    • Length: 6.5 inches (165mm)
    • Width: 4.55 inches (116mm)
    • Height: 2.52 inches (64mm)
  • Stud Type:
    • I/O Studs with 5/16-18 thread for secure connections.
  • Construction:
    • Blue aluminum finned heat sink for effective heat dissipation.
    • Press-fit diodes ensure reliable performance.
    • Welded connections for durability and longevity.
  • Amperage Capacity:
    • 130 amps, providing robust power distribution and isolation.
  • Manufacturer Part Number (Arco): BI-1203-3A
  • Sierra Part Number: 18-6851
  • Warranty: Covered by a 1-year warranty, ensuring product quality and customer satisfaction.

Key Features:

  1. Triple Battery System:
    • Specifically designed for applications involving three batteries and one alternator, facilitating efficient power management.
  2. Negative Ground Configuration:
    • Configured for negative ground systems, ensuring compatibility with a wide range of vehicles and equipment.
  3. Compact Design:
    • Compact dimensions make it suitable for installations with space constraints, providing flexibility in placement.
  4. Threaded Studs:
    • Equipped with I/O studs featuring a 5/16-18 thread, enabling secure and stable connections.
  5. Heat Dissipation:
    • Features a blue aluminum finned heat sink, enhancing heat dissipation for optimal performance in various conditions.
  6. Reliable Diodes:
    • Incorporates press-fit diodes that contribute to the reliability and efficiency of the isolator.
  7. Durable Construction:
    • Welded connections ensure durability, minimizing the risk of wear and enhancing the isolator’s overall lifespan.
  8. Moderate Amperage Capacity:
    • With a 130-amp capacity, the isolator is suitable for various applications with moderate electrical loads.
  9. Manufacturer Recognition:
    • Manufactured by Arco, a reputable brand in the marine and automotive industry, ensuring product quality.
  10. Sierra Part Number:
    • Identified by Sierra part number 18-6851, providing compatibility information for ease of reference.
  11. Warranty Assurance:
    • Backed by a 1-year warranty, providing customers with confidence in the durability and performance of the product.

The Battery Isolator with a 130-amp capacity for three batteries and one alternator is a reliable and compact component suitable for various applications. Its negative ground configuration, threaded studs, and efficient heat dissipation make it versatile and user-friendly. The inclusion of press-fit diodes and welded connections ensures the durability and longevity of the isolator. Manufactured by Arco and identified by Sierra part number 18-6851, it benefits from the recognition of reputable brands in the industry. The 1-year warranty further reinforces the product’s quality and the manufacturer’s commitment to customer satisfaction.


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