Standard 10 sqmm 16sqmm Low Voltage Cable NYY Power Cables
APPLICATION
Fixed installation applications:
- Used in cable ducts, power stations, and industrial distribution boards
- Suitable for indoor/outdoor use in dry, damp or wet conditions (including oil-water mixtures)
- Can be installed underground when protected by conduits against mechanical damage
Power supply systems
- Applied in user networks for energy supply
- Used in building electrical installations and construction sites
- Suitable for fixed wiring in power facilities with rated voltage 0.6/1kV
Special environments
- UV-resistant for outdoor exposure
- Can be laid in concrete (non-vibrating type) and immersed in water
- Not suitable for vibrating, shaking or compressed concrete installations
CONSTRUCTION
- Conductor: Circular, solid, compacted or sector shaped stranded Copper or aluminum
- Insulation: PVC
- Filler: non-hygroscopic material
- Binder tape: non-hygroscopic material
- Sheath: PVC
CHARACTERICSTIC
- Test Voltage: 3.5kV 5min No Breakdown
- The ambient temperature for installation: ≥0℃.
- Maximum conductor temperature in normal operation:≤90℃.
- Max operating temperature of con. When cable short-circuited(5s maximum duration): 250℃.
- Permissible minimum bending radius:
- Single unarmoured cable: 20 x OD
- Multi-core unarmoured cable: 15 x OD
- Single armoured cable: 5 x OD
- Multi-core armoured cable: 12 x OD
- Note : OD=Overall Diameter of Cable
SPECIFICATION
|
Specs
mm²
|
Conductor diameter
mm
|
Nominal thickness of insulation
mm
|
Nominal thickness of sheath
mm
|
Approximate outer diameter of cable
mm
|
Approximate cable weight
kg/km
|
|
3×1.5
|
1.38
|
0.7
|
1.8
|
10.4
|
142
|
|
3×2.5
|
1.78
|
0.7
|
1.8
|
11.3
|
183
|
|
3×4
|
2.25
|
0.7
|
1.8
|
12.3
|
240
|
|
3×6
|
2.76
|
0.7
|
1.8
|
13.4
|
311
|
|
3×10
|
4.0
|
0.7
|
1.8
|
16.0
|
446
|
|
3×16
|
5.0
|
0.7
|
1.8
|
18.2
|
641
|
|
3×25
|
6.1
|
0.9
|
1.8
|
21.5
|
955
|
|
3×35
|
7.2
|
0.9
|
1.8
|
23.9
|
1259
|
|
3×50
|
8.4
|
1.0
|
1.8
|
27.1
|
1674
|
|
3×70
|
10.0
|
1.1
|
1.9
|
31.2
|
2347
|
|
3×95
|
12.0
|
1.1
|
2.0
|
35.7
|
3176
|
|
3×120
|
13.0
|
1.2
|
2.1
|
38.5
|
3931
|
|
3×150
|
14.9
|
1.4
|
2.3
|
43.9
|
4893
|
|
3×185
|
16.5
|
1.6
|
2.4
|
48.5
|
6050
|
|
3×240
|
18.4
|
1.7
|
2.6
|
53.5
|
7828
|
|
3×300
|
21.0
|
1.8
|
2.8
|
59.9
|
9763
|
|
3×400
|
23.4
|
2.0
|
3.1
|
66.6
|
12470
|
APPLICATION
Low-voltage PVC (polyvinyl chloride) insulated cables are widely used in electrical systems operating at voltages below 1 kV (typically up to 1 kV AC or 1.5 kV DC).
Their versatility, cost-effectiveness, and durable properties make them suitable for a broad range of applications.
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FAQ
Q: What does NYY stand for in cable terminology?
A. NYY represents "Rubber (N) PVC (Y) PVC (Y)" cables according to European standards, indicating their construction with PVC insulation and sheath.
Q. What voltage rating does NYY cable support?
A. Standard NYY cables are rated for 0.6/1 kV AC voltage applications in fixed installations.
Q. Is NYY cable suitable for outdoor use?
A. Yes, with UV-resistant sheath variants, NYY cables can be used outdoors when properly installed in conduits or cable trays.
Q. What temperature range can NYY cables operate in?
A. They operate between -40°C and +70°C for fixed installations, with temporary installations allowing up to +90°C.
Q. What flame retardancy standards does NYY comply with?
A. NYY cables meet IEC 60332-1 for single cable flame propagation tests and IEC 60502-2 for PVC insulation requirements.
Q. Can NYY cables be buried directly underground?
A. No, they require mechanical protection (conduits) when buried but can be used in concrete (non-vibrating applications).
Q. What's the difference between NYY-J and NYY-O?
A. NYY-J includes a green/yellow identification conductor for grounding, while NYY-O lacks this grounding feature.
Q. What bending radius is required for NYY cables?
A. Multicore NYY cables require a minimum bending radius of 12 times their outer diameter during installation.
Q. Are NYY cables resistant to oil and water?
A. Yes, their PVC construction provides resistance to oil, water, and mild chemical exposure in damp environments.
Q. What's the typical lifespan of NYY cables?
A. With proper installation, NYY cables have a service life exceeding 25 years under normal operating conditions.
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