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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
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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
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Type: 3-Pin High Current Insulated Bus Bar Connector
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Threading: Dual-Sided
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Wire Compatibility: Copper & Aluminum (1/0 – 250kcmil)
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Current Rating: High Amperage
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Operating Temp Range: -10°C to 90°C
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Voltage Withstand: 2500VAC / 1 Min
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Stripping Length: 44.5mm
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Torque Force Requirements:
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6 AWG: 110 in-lbs (12.4 N.m)
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1–3 AWG: 150 in-lbs (17.0 N.m)
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1/0–250 kcmil: 400 in-lbs (45.2 N.m)
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Material:
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Housing: PVC
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Terminals & Screws: AL 6061, Aluminum Oxidized
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Size: 78 × 65.5 × 52.2 mm
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Color: Black
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Weight: Approx. 210g
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Certifications: UL486A-486B, CSA22.2, E531731
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IP Rating: Weatherproof (Indoor/Outdoor use)