2UEW155 0.4mm Enameled Copper Winding Wire For Transformer/Motor

Short Description:

0.4mm enameled copper wire is a commonly used enameled wire and plays a vital role in the production of high-frequency transformers and motor windings. The product has a single wire diameter of 0.4mm and is widely praised for its excellent performance and versatility in a variety of electrical applications. The wire is coated with a solderable polyurethane enameled coating and is available in two different heat resistance ratings: 155°C and 180°C for different operating environments.


Product Detail

Product Tags

Product Description

0.4mm enameled copper wire is an important choice for high-frequency transformer and motor winding applications, demonstrating excellent electrical performance, thermal stability and ease of use. Its contribution to the efficient and reliable operation of electrical equipment is undeniable, and its role in advancing modern technology is also indispensable. As the demand for high-performance electrical components continues to grow, this enameled copper wire remains the cornerstone of innovation and progress in electrical engineering.     

Standard

·IEC 60317-23

·NEMA MW 77-C

·customized according to customer requirements.

Features

In the field of high frequency transformers, 0.4mm enameled copper wire exhibits excellent characteristics, making it an ideal choice for winding applications. Its uniform diameter and high electrical conductivity ensure efficient energy transfer and reduce energy losses, especially in high-frequency operation. The use of this wire facilitates the production of high-performance transformers essential in power supply units, audio amplifiers, and various electronic equipment. Likewise, in electric motors, 0.4 mm enameled copper wire has clear advantages. Its consistent diameter and excellent thermal stability allow for even winding, which enhances electromagnetic performance and reduces heat generation. This wire helps produce efficient and durable motor windings that allow the motor to operate at optimal levels while maintaining reliability and longevity.

The application of 0.4mm enameled copper wire in high-frequency transformers and motor windings highlights its importance in modern electrical engineering. Its ability to withstand high frequencies and temperatures, coupled with its excellent electrical properties, makes it an indispensable component in transformer and electric motor manufacturing.

Specification

Test Item

Unit

Standard Value

Reality Value

1st Sample

2nd Sample

3rd Sample

Appearance

Smooth & Clean

OK

OK

OK

OK

Conductor Diameter

0.400±

0.004

0.400

0.400

0.400

OK

0.004
Thickness of Insulation

≥ 0.025  mm

0.032

0.033

0.032

OK

Overall Diameter

≤ 0.437  mm

0.432

0.433

0.432

OK

DC Resistance

0.1400 Ω/m

0.1345

0.1354

0.1343

OK

Elongation

≥   27  %

31

32

30

OK

Breakdown Voltage

≥  2900 V

4563

4132

3986

OK

Pin Hole

≤  5 Faults/5m

0

0

0

OK

Continuity

≤  25 Faults/30m

0

0

0

OK

Test Items

Technical Requests

Results

Adhesive

Coating layer is good

OK

Cut-through

200℃ 2mins no breakdown

OK

Heat Shock

175±5℃/30min no crack

OK

Solder Ability

390± 5℃ 2Sec Smooth

OK

Certificates

ISO 9001
UL
RoHS
REACH SVHC
MSDS

Application

Automotive coil

application

sensor

application

special transformer

application

special micro motor

application

inductor

application

Relay

application

About us

company

Customer Oriented,Innovation brings more Value

RUIYUAN is a solution provider, which requires us to be more professional on wires, insulation material and your applications.

Ruiyuan has a heritage of innovation, along with advancements in enameled copper wire, our company has grown through an unwavering commitment to integrity, service and responsiveness to our customers.

We look forward to continuing to grow on the basis of quality, innovation and service.

company
company
company
company

7-10 days Average delivery time.
90% European and North American customers. Such as PTR,ELSIT, STS etc.
95% Repurchase rate
99.3% Satisfaction rate. Class A supplier verified by German customer.


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