Polyurethane Enamelled Copper Wire UEW 180 | 0.04-1.80mm
Quick Answer: Polyurethane Enamelled Copper Wire UEW/N 180
Polyurethane Enamelled Copper Wire UEW/N 180 is a round solid copper winding wire with an enamel insulation system and a thermal class of 180. The current product specification covers conductor diameters from 0.04 mm to 1.80 mm.
The main characteristics of polyurethane enamelled wire on this page are direct solderability, high-frequency performance and moisture resistance. These properties make the product relevant to motors, transformers and other electrical or electronic winding applications where the required diameter, insulation performance and winding conditions must be controlled.
The current page lists IEC 60317-51 and MW 83-C as reference specifications. Before ordering, confirm the conductor diameter, thermal class, insulation build, spool requirement, quantity and applicable test requirements.

Why Choose Polyurethane Enamelled Copper Wire?
Direct Solderability
One of the main characteristics stated for polyurethane enamelled wire is direct solderability. This is useful when your winding and terminal process requires an enamelled copper wire that can be connected through a suitable soldering process without treating it like a conventional mechanically stripped wire.
The actual soldering temperature, time and process should be validated with your own production equipment and wire diameter.
Suitable for High-Frequency Applications
The current product description also identifies good high-frequency resistance as an important feature of polyurethane enamelled wire.
If your application is a high-frequency transformer, coil or other electronic winding component, confirm the required electrical performance, wire diameter and insulation specification before order approval.
Moisture Resistance
Polyurethane enamelled wire is also described as having good moisture resistance. If your finished component has a specific humidity or environmental test requirement, include the required test condition in the purchase specification.
UEW/N 180 Enamelled Copper Wire Specification
| Specification Item | Current Reference |
| Model | UEW/N 180 |
| Conductor | Copper |
| Conductor Type | Solid |
| Wire Shape | Round wire |
| Diameter Range | 0.04–1.80 mm |
| Thermal Class | 180 |
| Insulation | Enamelled |
| Primary Applications | Motors and transformers |
| Reference Standards | IEC 60317-51 / MW 83-C |
| HS Code | 85441100 |
| Origin | China |
If your winding specification defines tighter conductor tolerance, enamel build, electrical properties or another thermal class, send the complete technical requirement before quotation.
How to Select the Wire Diameter
The current UEW/N 180 product range covers 0.04–1.80 mm. Diameter should be selected according to your winding design rather than only according to product availability.
Fine Wire
Fine diameters are relevant when your winding design requires compact coils, small components or a larger number of turns within limited winding space.
Medium and Larger Diameters
Larger conductor diameters may be required for winding designs with different current, mechanical handling or coil requirements.
Before quotation, send the exact nominal conductor diameter and any permitted tolerance. If your drawing specifies finished wire diameter rather than bare conductor diameter, state that clearly in the inquiry.
What Does Thermal Class 180 Mean for Your Order?
This specific UEW/N product is listed as Thermal Class 180.
The broader polyurethane enamelled wire family on the source page also mentions thermal grades 130, 155 and 180, but this product specification should be ordered according to the exact class required by your winding design.
Do not substitute one thermal class for another only because the conductor diameter is the same. Thermal class, insulation system and the applicable product standard should be confirmed together.
IEC 60317-51 and MW 83-C
The current product specification lists IEC 60317-51 and MW 83-C as reference standards.
If one of these standards is mandatory for your project, state the required standard in the RFQ and identify any additional dimensional, electrical, mechanical or thermal tests required by your internal specification.
The applicable inspection and acceptance criteria should be confirmed before order approval rather than assumed from the standard number alone.
Applications of Polyurethane Enamelled Copper Wire
Transformers
UEW polyurethane enamelled copper wire can be used in transformer windings where the selected conductor diameter, thermal class and insulation performance match the transformer design.
For high-frequency transformer applications, confirm the operating conditions and wire specification before selecting the final diameter.
Motors
The current product specification identifies motors as a primary application. The correct wire should be selected from the motor winding design, required thermal class, conductor diameter and insulation requirement.
Inductors and Electromagnetic Coils
Polyurethane enamelled copper wire can also be considered for inductive and electromagnetic winding applications where a round insulated copper conductor is required.
Electronic and Precision Windings
The source information also associates polyurethane enamelled wire with electronic appliances, precision instruments, telecommunications and meters.
For these applications, provide the actual electrical and dimensional requirements rather than ordering only by the generic term "polyurethane enamelled wire."
Polyurethane Enamelled Copper Wire and Winding Supply

What to Check Before Accepting Enamelled Copper Wire
A wire order should be accepted against the same dimensional and performance requirements that were confirmed before production.
Conductor Diameter
Confirm that the supplied conductor corresponds to the nominal diameter and tolerance specified in the purchase order.
Insulation Requirement
Confirm the required enamel system and any applicable insulation-build requirement before production.
Thermal Class
For this page, the current model is UEW/N 180. Make sure the supplied product and related documents correspond to the required thermal class.
Electrical and Mechanical Tests
If your internal standard requires specific electrical, mechanical, winding or solderability tests, include the test items and acceptance method in the RFQ.
Test Report and Samples
Product samples and test information can be discussed before the bulk order. If sample approval is part of your purchasing process, specify the wire diameter and tests required for approval.
Spool, Packing and Export Requirements
Enamelled copper wire is normally supplied on spools suitable for wire handling and transportation. The original page also lists standard export packing with wooden pallets.
Because the correct spool depends on wire diameter, order quantity and your winding equipment, confirm the spool and packing requirement before quotation.
For an accurate order, specify:
- Wire diameter
- Thermal class
- Required standard
- Spool requirement
- Net weight per spool if controlled
- Total quantity
- Export packing requirement
What to Include in a UEW Copper Wire RFQ
| RFQ Item | Information to Provide |
| Wire Type | Polyurethane enamelled copper wire / UEW/N |
| Diameter | Required nominal diameter within 0.04–1.80 mm |
| Thermal Class | Class 180 for the current UEW/N 180 model |
| Standard | IEC 60317-51 / MW 83-C or your required specification |
| Application | Motor, transformer, coil or other winding application |
| Spool | Required spool type or dimensions if controlled |
| Quantity | Trial or bulk quantity |
| Destination | Destination port or delivery location |
| Documents / Tests | Required test report, inspection items or sample approval |
Polyurethane Enamelled Copper Wire FAQ
Request a Polyurethane Enamelled Copper Wire Quote
Send us your required conductor diameter, thermal class, applicable standard, application, spool and quantity.
If your drawing specifies conductor tolerance, insulation build, electrical properties, solderability test or another acceptance condition, include these requirements in the RFQ so the quotation can be prepared on the correct technical basis.
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