3-Pin High Current Bus Bar Connector | Dual-Sided Threaded, Multi-Cable, Aluminum & Copper Wire Compatible | Solar Panel, Marine & RV Power Systems

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The 3-Pin High Current Insulated Bus Bar Connector is engineered for safe, efficient, and flexible power distribution across high-current electrical systems. Ideal for solar power installations, marine applications, RVs, and off-grid setups, this robust connector streamlines multi-cable connections while supporting both aluminum and copper wiring.

Designed with dual-sided threading, weather-resistant insulation, and high amperage capabilities, it’s a trusted choice for professionals building or upgrading solar panel arrays, inverters, junction boxes, and energy storage systems.


Key Features

  • High Amperage Power Distribution
    Supports large current loads for high-wattage solar arrays, battery banks, and inverters—minimizes voltage drop and enhances energy transfer efficiency.

  • Dual-Sided Threaded Design
    Allows wiring from both sides, simplifying complex layouts and reducing install time in residential, commercial, or marine power systems.

  • Multi-Cable Connection Capability
    Accommodates multiple cables in a single unit for easy integration between solar panels, charge controllers, and inverters.

  • Aluminum & Copper Wire Compatible (Al/Cu)
    Accepts 1/0–250kcmil aluminum or copper conductors, making it highly adaptable to a variety of system builds and retrofits.

  • Fully Insulated for Safety
    The insulated housing provides protection from shorts and arc faults, supporting safe operation in outdoor or enclosed environments.

  • Durable, Weatherproof Construction
    Built with high-quality PVC housing and aluminum-oxidized terminals, this connector withstands tough conditions—perfect for rooftops, marine systems, and mobile power units.

  • Certified for Compliance
    UL486A-486B and CSA22.2 certified for electrical safety and performance. Backed by compliance with E531731 and rated for up to 2500VAC withstand voltage.


Specifications

  • Type: 3-Pin High Current Insulated Bus Bar Connector

  • Threading: Dual-Sided

  • Wire Compatibility: Copper & Aluminum (1/0 – 250kcmil)

  • Current Rating: High Amperage

  • Operating Temp Range: -10°C to 90°C

  • Voltage Withstand: 2500VAC / 1 Min

  • Stripping Length: 44.5mm

  • Torque Force Requirements:

    • 6 AWG: 110 in-lbs (12.4 N.m)

    • 1–3 AWG: 150 in-lbs (17.0 N.m)

    • 1/0–250 kcmil: 400 in-lbs (45.2 N.m)

  • Material:

    • Housing: PVC

    • Terminals & Screws: AL 6061, Aluminum Oxidized

  • Size: 78 × 65.5 × 52.2 mm

  • Color: Black

  • Weight: Approx. 210g

  • Certifications: UL486A-486B, CSA22.2, E531731

  • IP Rating: Weatherproof (Indoor/Outdoor use)

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