Frequently Asked Questions (FAQ)

1. What is the PROTOLON (FL) (N)TSFLCGEWOEU 3.6/6KV Medium Voltage Flat Reeling Cable?

The PROTOLON (FL) (N)TSFLCGEWOEU is a medium voltage flat reeling cable designed for high-stress applications, such as container cranes, reeling drums, and large-scale industrial machinery. It provides high mechanical durability, flexibility, and electrical performance.

2. What are the primary applications of this cable?

This cable is mainly used in container cranes, material handling equipment, mobile industrial machinery, and reeling drum systems that require continuous movement, multiple directional changes, and high mechanical stress resistance.

3. What voltage rating does this cable have?

The cable has a rated voltage of 3.6/6 kV (U₀/U), with a test voltage of 11 kV.

4. What makes this cable different from other reeling cables?

This cable is designed for extreme mechanical stress, featuring a flat structure for flexible movement, robust insulation for electrical safety, and a durable outer sheath resistant to oil, UV, and ozone exposure.

Technical Specifications

5. What type of conductors does this cable use?

The cable features finely stranded, tinned copper conductors (Class 5) for improved conductivity and flexibility.

6. What is the insulation material used?

The core insulation is made of EPR rubber (PROTOLON HS, Special Compound > 3GI3), ensuring high dielectric strength and mechanical resistance.

7. Does this cable have semi-conductive layers?

Yes, it has both an inner and outer semi-conductive layer made of EPR, which enhances electrical performance and minimizes partial discharge.

8. What material is used for the outer sheath?

The outer sheath is made of polychloroprene (PCP) rubber (PROTOFIRM, Special Compound > 5GM5), offering excellent durability and environmental resistance.

9. How are the earth conductors arranged?

The earth conductors are split and concentrically distributed around each main core to improve electrical performance and balance mechanical stress.

Mechanical and Environmental Performance

10. What is the maximum conductor temperature during operation?

The maximum conductor temperature is 90°C under normal operating conditions.

11. What is the maximum temperature in case of a short circuit?

In short-circuit conditions, the maximum conductor temperature can reach 250°C.

12. What is the recommended bending radius for installation?

• Fixed installation: 6xD (where D is the applied cable diameter)

• Flexible operation: 10xD

• S-type directional changes: 20xD

13. What is the cable’s permanent tensile strength?

The cable can withstand a permanent tensile strength of 15 N/mm².

14. What is the maximum travel speed of this cable in reeling applications?

The cable supports travel speeds of up to 120 m/min in gantry crane applications.

15. What temperature range can this cable withstand?

• Fixed installation: -50°C to 80°C

• Flexible installation: -35°C to 80°C

Safety and Compliance

16. Is this cable flame retardant?

Yes, it meets the EN/IEC 60332-1-2 flame retardancy standard.

17. Is this cable resistant to oil?

Yes, it is oil-resistant, making it suitable for industrial environments with exposure to lubricants and other petroleum-based substances.

18. Does this cable provide ozone resistance?

Yes, the outer sheath is ozone-resistant, preventing degradation from ozone exposure in outdoor applications.

19. Is this cable UV-resistant?

Yes, it is UV-resistant, making it suitable for prolonged outdoor use.

20. What industry standards does this cable comply with?

It complies with:

• DIN VDE 0298-4 (Installation guidelines)

• DIN VDE 0250-813 (Cable construction)

• DIN EN 60228 / IEC 60228 / VDE 0295 (Conductor requirements)

• DIN EN 60811-404 / IEC 60811-404 (Mechanical testing for bending and stress resistance)

Installation and Usage

21. How should this cable be installed for optimal performance?

The cable should be installed according to VDE 0298-3, ensuring the correct bending radius and avoiding excessive mechanical stress.

22. Can this cable be used in extreme weather conditions?

Yes, the cable is designed to function in harsh environments, including extreme temperatures, high humidity, and exposure to industrial chemicals.

23. How does the flat design of this cable benefit reeling applications?

The flat structure allows for better winding, reduced stress on the conductors, and improved flexibility, making it ideal for continuous motion applications.

24. What is the recommended storage condition for this cable?

Store the cable in a dry, covered area away from direct sunlight and extreme temperatures to maintain its insulation integrity and mechanical properties.

Comparisons and Alternatives

25. How does this cable compare to round reeling cables?

Flat reeling cables offer better flexibility, optimized space usage, and improved stress distribution, whereas round cables are generally used for less dynamic applications.

26. Can this cable be used as a power supply for large industrial machinery?

Yes, it is specifically designed for mobile industrial applications requiring high power transmission and mechanical durability.

Ordering and Availability

27. What sizes are available for this cable?

The cable is available in multiple configurations, including:

• 3x25+3x25/3E

• 3x35+3x25/3E

• 3x50+3x25/3E

• 3x70+3x35/3E

• 3x95+3x50/3E

• 3x120+3x70/3E

• 4x35+4x25/4E

28. Can the cable be customized for specific applications?

Yes, depending on the project requirements, certain configurations can be customized.

29. Where can this cable be purchased?

Contact Feichun Cable's sales engineer

30. What warranty options are available for this cable?

Usually the warranty period is one year. Please communicate with Feichun Cable's sales engineer for specific terms.