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OUWEI > Winding Wire & Transformer Radiator > Magnet Wire > Round Alum Enamelled Wires

Round Alum Enamelled Wires

Characteristics

⚫ Product name: ATL 200 AL – Gr 2
ATL 200 AL – Gr 3
⚫ Class: 200
⚫ Temperature index: ≥ 200℃
⚫ Heat shock: ≥ 220℃
⚫ Conductor material: EN 1715 – EN AW1370 [Al 99.7]

Our ATL 200 AL – Grade 2 and ATL 200 AL – Grade 3 Round Alum Enamelled Wires are engineered for superior thermal performance and mechanical durability. Designed with a temperature index of ≥200°C and heat shock resistance of ≥220°C, these wires ensure stable operation even under demanding thermal conditions.

Conductor Material:

  • Complies with EN 1715 – EN AW1370,
  • with aluminium purity of Al 99.7%.

Insulation System:

  • Basecoat: THEIC-modified polyester or polyesterimide
  • Overcoat: Polyamide-imide

Key Properties:

  • Exceptional thermal stability for Class 200 applications
  • Excellent resistance to transformer oils and industrial solvents
  • Ideal for lightweight designs where mass reduction is critical
  • Robust electrical insulation suitable for long-term operational reliability

Typical Applications:

  • High-efficiency electric motors
  • Oil-cooled transformers
  • Dry-type transformers
  • Welding transformers
  • Lightweight electrical components

Available Dimensions:

  • ATL 200 AL – Grade 2: Ø 0.315 mm to 6.000 mm
  • ATL 200 AL – Grade 3: Ø 0.315 mm to 6.000 mm

Standard Packaging Options:

  • PT60
  • PT90

These enamelled wires are engineered for use in energy-efficient and weight-sensitive electrical designs, offering exceptional dielectric performance and environmental resistance.

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