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Aluminium Copper Bimetal

Aluminium Copper Bimetal

Product Details:


Product Description

Aluminium Copper Bimetal

Backed by the sound warehousing unit, we are capable of offering an extensive range of Aluminium Copper Bimetal. These copper bi-metals are widely used in different applications such as circuit breakers, switch plant, switch blades, motor control centers and apparatus construction. Our Aluminium Copper Bimetal is well recognized in the market for its salient features such as robust construction, dimensional accuracy and impeccable performance. We are offering this metal to our customers at very reasonable prices.

Further Details:


Aluminium copper bi metal  (ALCU) consists of copper (sheet metal) cladded on pure Aluminium (base metal), both metals being diffused together to form an inseparable whole by roll bonding process.

Bi Metal, is therefore not an alloy and copper layers are not Electro plating / galvanic coatings but are rather mechanically welded on Aluminium with Copper sheets.

Aluminium Terminals are directly connected to Copper Terminals to carry current at a high voltage, a bimetallic galvanic corrosion occurs, resulting in a high resistance at the joint. The heated joints are oxidized and losses contact resulting in sparks, voltage dropout power losses and failure, damage to machinery.

When bimetal is placed between Aluminium Terminal and Copper Terminal at the joint (with Copper facing Copper and Aluminium facing Aluminium), bimetallic galvanic corrosion is averted due to absence of air in bimetal.
Bi - Metal is thus used at dissimilar metals joints of Aluminium and Copper to make similar metal's contact.

Bi - Metal has been successfully evaluated and used by many of the world's leading electrical equipment manufacturers.

Aluminium - Copper BI-Metal Terminals:

AI-Cu bi-metal terminal are used for connecting aluminium cable to copper busbars.

Bimetal washers to prevent bimetallic galvanic electro-corrosion at copper and Aluminium joints

Applications include the following:

  • As packing & washers bet aluminium & copper bars
  • Bimetallic clamp & connectors
  • Busbar chambers
  • Busducts
  • Cable clamp
  • Cable end connectors
  • Cable thimbles in copper
  • Current bars & similar parts
  • Distribution and panel boards
  • Isolators
  • On overhead lines
  • Overhead busbar trunking systems
  • Overhead connectors
  • Panelboards
  • Sleeve shape insert in terminals in copper & aluminium
  • Substation accessories like bimetallic clamp and connectors
  • Switchgears
  • Terminal stirps
  • Terminals of copper connecting conductors with aluminium conductors
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