2UDTC-F 0.1mm*460 profiled silk covered litz wire 4mm*2mmflat nylon serving litz wire
Flat silk covered litz wire stands out as a specialized wire with unique properties that makes it ideal for various industrial applications, especially motor windings. Its construction uses rectangular Litz wire, plus a silk covering and nylon gauze insulation to ensure high performance, efficiency and reliability. As a key component of motors, transformers and electrical equipment, flat wire covered litz wire plays a vital role in improving the performance and efficiency of industrial systems, making it an important choice for engineers and manufacturers.
One of the main features of silk covered litz wire is its multi-strand structure. This design reduces skin and proximity effects common in high frequency applications. The use of rectangular Litz wire in the construction of flat wire covered wire further enhances its performance by minimizing power losses and increasing efficiency.
·IEC 60317-23
·NEMA MW 77-C
·customized according to customer requirements.
Flat silk covered litz wire has a variety of applications, one of its main uses is motor windings. The unique structure and properties of this wire make it ideal for use in motor windings, where high efficiency and reliability are critical. Flat silk covered litz wire reduces power loss and increases efficiency, helping to improve the overall performance of the motor, making it the first choice for industrial and commercial motor applications.
In addition to motor windings, flat silk covered litz wire can also be used in transformers, generators and other electrical equipment that require high frequency operation and minimal power loss. The wire's ability to handle high frequencies and its efficient power transmission make it an important component in a variety of electrical and electronic equipment. Its use in these applications helps improve equipment performance and reliability, making it the first choice of manufacturers and engineers.
Item |
Unit |
Technical requests |
Reality Value |
Conductor Diameter |
mm |
0.1±0.003 |
0.098-0.10 |
Single wire diameter |
mm |
0.110-0.125 |
0.110-0.114 |
Width |
mm |
4 |
3.74-3.96 |
Thickness |
mm |
2 |
2.06-2.26 |
Resistance (20℃) |
Ω/m |
Max.0.005176 |
0.004795 |
Breakdown Voltage |
V |
Min.500 |
2700 |
No. of strands |
460 |
460 |
5G base station power supply

EV Charging Stations

Industrial Motor

Maglev Trains

Medical Electronics

Wind Turbines






Founded in 2002, Ruiyuan has been in the manufacture of enamelled copper wire for 20 years.We combine the best manufacturing techniques and enamel materials to create a high-quality, best-in-class enameled wire. The enameled copper wire lies at the heart of technology we use every day – appliances, generators, transformers, turbines, coils and much more. Nowadays, Ruiyuan has the global footprint to support our partners in marketplace.

Our Team
Ruiyuan attracts many outstanding technical and management talents, and our founders have built the best team in the industry with our long-term vision. We respects the values of each employee and provides them with a platform to make Ruiyuan a great place to grow a career.



