Enameled Flat wire is one of main kinds of winding wires, Which is made of Rectangular Copper / Aluminum Conductor with many kinds of insulation varnish with different temperature resistance levels ,including 120℃ /PVF - Polyvinyl Acetal, B130℃/F155/H180℃/UEW- Polyurethane, B130℃/F155℃/PEW- Polyester, H180℃/EIW- Polyester-imide, SEIW- Solderable Polyester-imide, C200℃/ EI/AIW- Polyesterimide / Polyamideimide, C220℃/AIW- Polyamideimide, C240℃/PIW-Polyimide.Enameled wire are widely used for Transformers ,generators ,motors ,reactors and many other electrial equipments winding coils .
There are 3 grades of insulation thickness of enameled round wire :Grade 1,2.
Size Range
Narrow Side Size:0.2mm-5.6mm
Wide Side Size: 3mm-16mm
The recommendation ratio of Width and Thickness: 1.5< a/b< 7.5
| InsulationThickness grade | Insulation Thickness (mm) |
| Min. | Norminal | Max. |
| 1 | 0.06 | 0.085 | 0.11 |
| 2 | 0.12 | 0.145 | 0.17 |
| Name | Enameled Rectangular Wire( Copper/Aluminum) |
| Size Range | Narrow Side Size:0.2mm-5.6mmWide Side Size: 3mm-16mmRecommended Ratio of the Width and Thickness: 1.5Customize Available |
| Thermal Class (℃) | 120(Class E);130(ClassB),155(Class F),180 (Class H);200 (Class C);220 (Class C+); 240(Class HC) |
| Insulation Material | E120℃ /PVF - Polyvinyl AcetalB130℃/F155/H180℃/UEW- PolyurethaneB130℃/F155℃/PEW- Polyester/Modified PolyesterH180℃/EIW- Polyester-imideC200℃/ EI/AIW- Topcoat:Polyesterimide /Undecoat:PolyamideimideC+220℃/AIW- PolyamideimideHC240℃/PIW-Polyimide |
| Insulation thickness | Grade 1,2 |
| Certificate | UL,ISO,CE,SGS,REACH,RoHs |
| Standard | IEC,NEMA,GB,JIS |
| Package | Plastic Spool and Wooden Spool ,Customize available |