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Battery Isolator 3-Batteries 1-Alternator 165-AMP


Battery Isolator 3-Batteries 1-Alternator 165-AMP

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  • Application: Designed for systems with 3 batteries and 1 alternator.
  • Ground Type: Negative ground configuration.
  • Dimensions:
    • Length: 9.0 inches (229mm)
    • 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:
    • 165 amps, providing robust power distribution and isolation.
  • Manufacturer Part Number (Arco): BI-1603
  • Sierra Part Number: 18-6854
  • 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, offering efficient power management.
  2. Negative Ground Configuration:
    • Configured for negative ground systems, ensuring compatibility with a wide range of vehicles and equipment.
  3. Compact Dimensions:
    • With a length of 9.0 inches, it provides a compact yet efficient solution for systems with three batteries.
  4. Threaded Studs:
    • Equipped with I/O studs featuring a 5/16-18 thread, ensuring secure and stable connections.
  5. Heat Dissipation:
    • Features a blue aluminum finned heat sink for effective heat dissipation, contributing to optimal performance.
  6. Reliable Diodes:
    • Incorporates press-fit diodes, enhancing the reliability and efficiency of the isolator.
  7. Durable Construction:
    • Welded connections contribute to the isolator’s durability, minimizing the risk of wear over time.
  8. Moderate Amperage Capacity:
    • With a 165-amp capacity, the isolator is suitable for 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 as part number 18-6854, providing additional compatibility information.
  11. Warranty Assurance:
    • Backed by a 1-year warranty, offering customers confidence in the durability and performance of the product.

The Battery Isolator designed for three batteries and one alternator provides a compact and efficient solution for power distribution in various applications. With its negative ground configuration, threaded studs, and effective heat dissipation, it is suitable for a range of vehicles and equipment. The press-fit diodes and welded connections enhance its reliability and durability. Manufactured by Arco and identified by Sierra as part number 18-6854, this isolator is backed by a 1-year warranty, ensuring customer satisfaction and peace of mind.


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