Copper Clad Aluminum Flat Enamelled Wire

Telison has pioneered the adoption of industry-leading, fully automated flat enameled wire production equipment. The facility currently operates multiple integrated automated production lines, specializing in precision miniature enameled flat copper wire, high-performance copper-clad aluminum enameled wire, and lead-free tinned flat copper wire. Our products offer diverse range of temperature resistance grades, with the highest reaching Class 240, and customization options are available for clients. 

Flat enameled wire refers to a winding wire produced by drawing, extruding, or rolling an oxygen-free copper rod through a die of specific specifications, followed by multiple coating applications of insulating varnish. The "flat" in flat enameled wire denotes the material's shape. Compared to enameled round copper wire or enameled hollow copper wire, flat enameled wire exhibits excellent insulation and corrosion resistance.

Telison's Copper-Clad Aluminum (CCA) flat enamelled wire is a composite conductor featuring an aluminum core sheathed with an outer copper layer. This design combines the superior conductivity of copper with the lightweight advantage of aluminum. Its direct current resistivity is approximately 1.45 times that of pure copper wire, while its weight is only about 50% of pure copper wire.

Telison supplies Copper-Clad Aluminum flat enamelled wire in various thermal classes, including UEW, AIW, and PIW. The product dimensions cover a maximum conductor thickness of 1.6 mm and a maximum conductor width of 7 mm..

• Telison's Copper-Clad Aluminum (CCA) flat enamelled wire is a composite conductor featuring an aluminum core sheathed with an outer copper layer. This design combines the superior conductivity of copper with the lightweight advantage of aluminum
• Light weight: Density approx. 3.3–3.9 g/cm³, only 37–44% of pure copper (8.89 g/cm³); 2.5–3.2× longer than copper wire of the same weight and diameter.

• Good solderability: The pure-copper surface provides solderability equivalent to copper wire

• Oxidation resistance: The copper layer shields the aluminum core, with corrosion resistance close to pure copper

• Conductivity between copper and aluminum, and its direct current resistivity is approximately 1.45 times that of pure copper wire

• Supplies Copper-Clad Aluminum flat enamelled wire in various thermal classes, including UEW, AIW, and PIW
• Dimensions：Cover a maximum conductor thickness of 1.6 mm and a maximum conductor width of 7 mm
• Uniform enamel coating application, ensuring superior insulation properties
• Excellent winding performance and bendability, with elongation exceeding 30%
• Cost advantage: Cutting raw-material and logistics costs
• Compliant with NEMA, IEC, JIS, or customer-specified standards

Manufacturing Scope of Flat Wire

The product has been certificated by SGS and UL

	Bobbin Type	Flange Diameter	Barrel Diameter	Barrel Length	Flange Thickness	Axis Hole	Standard Weight of Wire Carried
	P-5	160	90	90	12	20	5.0±1
	P-10	200	90	110	12	25	9.0+5
	P-30	300	130	130	15	31	25.0+ 10

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