Comprehensive Guide to NYY Cable

Introduction

The NYY cable is a type of power and control cable designed for fixed installations. It features a PVC-insulated and sheathed construction, making it suitable for indoor, outdoor, underground, and in concrete installations where mechanical protection is not required. NYY cables are widely used in energy distribution networks, industrial plants, and building installations.

Construction

• Conductor: Solid (Class 1) or stranded (Class 2) bare copper conductor as per IEC 60228.
• Insulation: PVC (Polyvinyl Chloride) compound type DIV4 according to HD 603 S1.
• Filler: PVC filler for circular shape and stability.
• Sheath: PVC outer sheath, typically black in color, providing protection against environmental factors.
• Core Identification:
  • NYY-J: Includes a green/yellow earth conductor.
  • NYY-O: Without green/yellow earth conductor.

Technical Specifications

• Rated Voltage: 0.6/1 kV
• Test Voltage: 4 kV
• Temperature Range:
  • During Operation: -15°C to +70°C
  • During Installation: -5°C to +50°C
• Minimum Bending Radius: 15 times the overall cable diameter
• Flame Retardant: According to IEC 60332-1-2

Applications

NYY cables are suitable for:

• Power distribution in industrial and residential buildings
• Installation in ducts, underground, and in concrete
• Outdoor installations where mechanical protection is not required
• Fixed installations in dry, moist, and wet environments

Standards and Certifications

• IEC 60502-1
• VDE 0276-603
• HD 603 S1
• DIN VDE 0293-308
• CE Marking
• RoHS Compliant

Technical Data Table

Conclusion

The NYY cable is a versatile and robust solution for fixed power and control installations. Its PVC insulation and sheath provide excellent protection against environmental factors, making it suitable for a wide range of applications in various environments. Compliance with international standards ensures safety and reliability in its performance.