Customization: | Available |
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Application: | Construction, Underground, Industrial, Power Station |
Voltage: | Low and Medium Voltage Cable |
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NYM is a European-standard copper power cable designed for fixed indoor installations in dry, damp, or moderately corrosive environments. Widely used in residential, commercial, and industrial applications, it features PVC insulation and sheathing for durability, flexibility, and compliance with DIN VDE 0276 and IEC 60502 standards.
Voltage Rating: 300/500 V (AC) 23.
Temperature Range:
Operating: -40°C to +70°C (fixed installations) / -5°C to +70°C (mobile installations) 36.
Short-Circuit Tolerance: Up to +160°C (5 seconds max).
Construction:
Conductor: Solid or stranded copper (IEC 60228 Class 1/2).
Insulation/Sheath: Flame-retardant PVC with chalk-filled rubber interlayer for enhanced flexibility and fire resistance 19.
Color Coding: Complies with DIN VDE 0293-308 (e.g., NYM-J includes a yellow-green ground wire, NYM-O uses blue for neutral) 16.
Certifications: CE, RoHS, IEC 60332-1 (flame retardancy)
Indoor power distribution in buildings, control panels, and machinery.
Fixed installations in conduits, plaster, or concrete (avoid direct sunlight and outdoor exposure due to UV sensitivity) 19.
Industrial and residential lighting circuits, sockets, and electrical networks.
Technical parameters for standard NYM cables are listed below. Custom configurations (e.g., shielded, armored) are available.
Cross-Section (mm²) | Number of Cores | Conductor Structure | Insulation Thickness (mm) | Sheath Thickness (mm) | Approx. Outer Diameter (mm) | DC Resistance at 20°C (Ω/km) | Current Rating (A)* | Weight (kg/km) |
---|---|---|---|---|---|---|---|---|
1.5 | 1-5 | Solid | 0.6 | 1.4 | 5.4-10.3 | ≤12.1 | 19.5 | 40-190 |
2.5 | 1-5 | Solid | 0.7 | 1.4 | 6.0-12.0 | ≤7.98 | 27 | 70-270 |
4 | 1-5 | Stranded | 0.8 | 1.6 | 6.6-14.5 | ≤4.61 | 36 | 80-410 |
6 | 1-5 | Stranded | 0.8 | 1.6 | 7.2-16.1 | ≤3.30 | 46 | 105-540 |
10 | 1-5 | Stranded | 1.0 | 1.6 | 8.4-19.2 | ≤1.91 | 63 | 155-850 |
16 | 1-5 | Stranded | 1.0 | 1.8 | 10.5-21.5 | ≤1.21 | 85 | 200-1100 |
25 | 1-5 | Stranded | 1.2 | 2.0 | 12.8-25.0 | ≤0.780 | 110 | 320-1500 |
Bending Radius: ≥4× cable diameter.
Ambient Temperature: ≥-5°C during installation.
Lifespan: Up to 30 years under standard conditions.
Variant | Description |
---|---|
NYM-J | Includes a yellow-green grounding conductor (3+1 cores, compliant with DIN VDE). |
NYM-O | No grounding conductor; neutral wire in blue (for non-earthed circuits). |
FR-NYM | Enhanced flame-retardant version (IEC 60332-3-22 compliant). |
Safety: Halogen-free materials minimize toxic smoke during fires.
Flexibility: Chalk-rubber interlayer ensures easy bending and installation.
Durability: Resists moisture, abrasion, and mild chemicals.