C1100 Copper Strip For Transformer

C1100 copper strip for transformer is a high-conductivity copper strip widely used for transformer winding, transformer coils and electrical conductor applications. With excellent electrical conductivity, smooth surface, good ductility and precise dimensional tolerance, C1100 copper strip is suitable for dry-type transformers, oil-immersed transformers, distribution transformers and power transformers.

For transformer manufacturers, conductor quality directly affects winding efficiency, insulation safety, temperature rise and transformer performance. C1100 copper strip provides high conductivity, good thermal conductivity and excellent formability, making it an ideal winding material for transformer coils.

Our C1100 copper strip for transformer is produced with strict control of thickness tolerance, width tolerance, surface quality, edge burr and coil shape. Soft annealed C1100 copper strip is available for easy winding and forming. Deburred edge or round edge can also be supplied to reduce the risk of damaging insulation paper or insulation film during transformer winding.

Customized specifications are available according to customer requirements, including thickness, width, temper, edge condition, coil inner diameter, coil weight and packaging method.

C1100 copper strip is widely selected for transformer applications because of its excellent electrical conductivity. High conductivity helps reduce power loss, improve current-carrying capacity and support stable transformer operation.

Typical Mechanical Properties

• High electrical conductivity, typically ≥100% IACS

• Approximate conductivity value: ≥58 MS/m at 20°C

• Low electrical resistivity, approximately ≤0.01724 Ω·mm²/m at 20°C

• High copper purity, typically ≥99.90%

• Excellent current-carrying capacity

• Good thermal conductivity

• Soft annealed temper available

• Good ductility and winding performance

• Smooth and clean surface finish

• Accurate thickness and width tolerance

• Low burr edge for insulation protection

• Deburred edge and round edge available

• Suitable for transformer winding and transformer coil production

• Custom thickness, width, coil size and edge condition available

C1100 copper strip is one of the most commonly used copper materials for transformer winding because it combines high conductivity, good formability and stable mechanical properties.

Compared with ordinary copper materials, C1100 copper strip provides better electrical performance and is suitable for transformer applications requiring high efficiency and reliable conductivity. Its excellent ductility also makes it suitable for coil winding, bending and insulation wrapping processes.

For transformer winding, the copper strip must have not only high conductivity but also stable thickness, clean surface and smooth edge. Poor edge quality may damage insulation materials during winding, while unstable thickness may affect coil size and transformer performance.

Our C1100 copper strip is manufactured and inspected to meet the strict requirements of transformer manufacturers.

C1100 copper strip for transformer is widely used in:

• Transformer winding

• Transformer coils

• Dry-type transformers

• Oil-immersed transformers

• Distribution transformers

• Power transformers

• Electrical reactors

• High-current conductive components

• Busbar and electrical conductor parts

• Industrial electrical equipment

Surface quality is one of the key requirements for transformer copper strip. Our C1100 copper strip is supplied with a smooth and clean surface suitable for transformer winding and insulation wrapping.

Surface quality requirements include:

• Smooth and bright surface

• No serious scratches

• No cracks or peeling

• No heavy oxidation

• No visible oil stain

• No surface contamination affecting insulation

• Suitable for insulation paper or insulation film wrapping

The edge condition of copper strip is very important for transformer winding. Burrs or sharp edges may damage insulation paper, insulation film or other insulating materials during winding.

We can provide different edge options:

For transformer winding applications, deburred edge or round edge is recommended when higher insulation protection is required.

We carry out strict quality inspection before shipment to ensure the C1100 copper strip meets transformer winding requirements.

Main inspection items include:

• Copper grade inspection

• Chemical composition check

• Copper content verification

• Electrical conductivity test

• Electrical resistivity test

• Thickness tolerance inspection

• Width tolerance inspection

• Surface quality inspection

• Edge burr inspection

• Tensile strength test

• Elongation test

• Temper inspection

• Coil shape inspection

• Packaging inspection

C1100 copper strip is carefully packed to prevent oxidation, moisture, deformation and surface damage during transportation.

Packaging options include:

• Anti-oxidation paper wrapping

• Plastic film protection

• Moisture-proof packaging

• Edge protection

• Wooden pallet

• Wooden case

• Export seaworthy package

• Customized label and shipping mark

We can also pack according to customer's specific requirements.

• Q1: What is C1100 copper strip?

  C1100 copper strip is a high-purity copper strip with excellent electrical conductivity and good formability. It is widely used in transformer winding, electrical conductors, busbars and other electrical applications.

• Q2: What is the conductivity of C1100 copper strip?

  C1100 copper strip typically has electrical conductivity of ≥100% IACS, with an approximate conductivity value of ≥58 MS/m at 20°C. The electrical resistivity is approximately ≤0.01724 Ω·mm²/m at 20°C.

• Q3: Is C1100 copper strip suitable for transformer winding?

  Yes. C1100 copper strip is suitable for transformer winding because it offers high conductivity, good ductility, smooth surface quality and stable dimensional accuracy.

• Q4: Can you supply soft annealed C1100 copper strip?

  Yes. Soft annealed C1100 copper strip is available and is commonly used for transformer winding because it provides good formability and easy winding performance.

• Q5: What thickness and width can you supply?

  We can supply customized thickness and width according to customer requirements. Common thickness range is 0.05 mm to 3.00 mm, and width can be customized based on transformer coil design.

• Q6: Can you provide deburred edge or round edge?

  Yes. We can provide slit edge, deburred edge and round edge. For transformer winding, deburred edge or round edge is recommended to reduce the risk of damaging insulation materials.

• Q7: Can you provide a material test certificate?

  Yes. Material test certificate can be provided according to customer requirements, including chemical composition, conductivity, mechanical properties and dimensional inspection data.

• Q8: Can C1100 copper strip be produced according to drawings?

  Yes. We can customize C1100 copper strip according to customer drawings, technical specifications or application requirements.