50mm Bimetallic Thimble / Cable Lugs (3 pcs)
₨1,500.00
50mm Bimetallic Thimble / Cable Lugs (3 pcs)
Mentioned price is of 3pcs
Cable Capacity : 50 mm²
Material : High-Purity Aluminum (Barrel) & Electrolytic Copper (Palm)
Manufacturing Process : High-Pressure Friction Welded
Quantity : Pack of 3 Pieces
50mm Bimetallic Thimble / Cable Lugs (3 pcs)
- Bimetallic lugs are heavy-duty, high-conductivity electrical terminals engineered specifically to interface aluminum conductors with copper termination points.
- In modern power networks, aluminum is frequently chosen for long-distance and industrial cabling due to its lightweight profile and lower cost.
- However, most electrical switchgear, circuit breakers, and distribution busbars utilize copper terminals.
- Joining these two dissimilar metals directly triggers galvanic corrosion and thermal failure.
- Bimetallic lugs solve this problem through a bi-material construction that safely bridges the two metals.
- A bimetallic lug consists of two distinct components permanently joined together
- The Barrel (Aluminum Section): Fabricated from high-purity, structural aluminum.
- This hollow sleeve receives the stripped aluminum cable strands.
- The Palm (Copper Section): CNC-machined from high-conductivity electrolytic copper.
- The flat palm features one or more bolt holes to secure the fitting onto a copper terminal or busbar.
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- The Friction Weld: The critical junction where the aluminum barrel meets the copper palm.
- Manufacturers rotate one component under extreme hydraulic pressure against the other.
- The friction generates localized heat that fuses the two metals at an atomic level without melting them.
- This solid-state weld eliminates any microscopic air gaps or moisture entry points, ensuring zero ionic transfer across the boundary.
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Distribution Panels & Switchgear: Connecting incoming aluminum power mains to copper distribution busbars.
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Solar & Renewable Energy Systems: Safely transitioning aluminum solar array wiring to copper inverter and breaker lugs.
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Industrial & Commercial Cabling: High-power installations requiring long-run aluminum cabling terminated onto standard copper gear.
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