N2XRY cable is a premium steel wire armoured power cable designed for demanding industrial applications. Engineered for AC 50Hz power transmission and distribution systems with rated voltages of 0.6/1kV, this cable excels in fixed industrial installations, underground tunnels, and environments requiring superior mechanical protection. The integrated steel wire armour provides exceptional mechanical strength and durability, making it the ideal choice for harsh industrial conditions where cable integrity is critical.
Standards Compliance
- International Standard: IEC 60502-1
- British Standards: BS 5467, BS 6346
Technical Specifications
Electrical Performance
Parameter | Specification |
---|---|
Rated Voltage | 0.6/1kV (BS 5467, BS 6346) |
Alternative Rating | 1.9/3.3kV |
Frequency | 50Hz AC systems |
Insulation Type | XLPE (Cross-Linked Polyethylene) |
Temperature Ratings
Condition | Temperature | Duration |
---|---|---|
Maximum Service Temperature | +90°C | Continuous |
Minimum Service Temperature | -40°C | Continuous |
Short-Circuit Temperature | +160°C | Maximum 5 seconds |
Installation Temperature | -5°C minimum | During installation |
Mechanical Performance
Parameter | Specification |
---|---|
Minimum Bending Radius (Armoured) | 20 × cable diameter |
Minimum Bending Radius (Unarmoured) | 10 × cable diameter |
Armour Type | Steel wire armour (SWA) |
Mechanical Protection | High impact and crush resistance |
Chemical & Environmental Performance
Property | Rating |
---|---|
Chemical Resistance | Good |
Oil Resistance | Good |
UV Resistance | Excellent (with appropriate sheath) |
Moisture Resistance | Excellent |
Fire Performance
Parameter | Specification |
---|---|
Flame Propagation | Non-propagating per IEC 60332-1 |
Halogen Content | Reduced emission - Chlorine <15% |
Smoke Emission | Low smoke characteristics |
Cable Construction
Conductor
- Material: Stranded copper or aluminum conductor
- Class: IEC 60228 Class 2 stranded
- Configuration: Circular compacted stranding
Insulation
- Material: XLPE (Cross-Linked Polyethylene)
- Temperature Rating: 90°C continuous operation
- Properties: Excellent electrical and thermal characteristics
Inner Sheath
- Material: PVC compound
- Function: Protects insulated cores during armour application
Armour System
- Type: Steel wire armour (SWA)
- Material: Galvanized steel wires
- Configuration: Helically applied for maximum protection
- Benefits: Superior mechanical protection and fault current path
Outer Sheath
- Material: PVC compound type ST2
- Properties: Weather resistant, flame retardant
- Color: Black (standard) or as specified
N2XRY Cable Construction

3 core N2XRY Cable Construction
Conductors: soft annealed copper and can be either stranded circular or shaped.
Insulation: Cross Linked Poly Ethylene (XLPE) or Polyvinyl Chloride (PVC).
Bedding:PVC
Armour: single layer of steel wire
Oversheath: single layer of extruded PVC and is usually black in color.

4 core N2XRY Cable Construction