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NYY-J Cable

NYY-J Cable

  • Voltage Rating Uo/U: 0.6/1 kV
  • Conductor Temperature: Maximum conductor temperature: 70°C under normal operation
  • Installation: Fixed indoor, outdoor, duct and underground installation
  • STANDARDS: VDE 0276-603 / HD 603, IEC 60502-1 and IEC 60228
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Product Introduction

Description of NYY-J Cable:

NYY-J Cable is a copper-conductor power cable with PVC insulation and a PVC outer sheath. It is designed for fixed low-voltage distribution in buildings, industrial facilities, utility systems, cable ducts and underground routes.

The J suffix identifies a green/yellow protective conductor within the cable. NYY-O is the related version without a green/yellow protective conductor. Black PVC sheathing provides a durable finish for general indoor, outdoor and buried fixed installations.

 

Application of NYY-J Cable:

NYY-J cable is used for fixed power distribution where a conventional PVC-insulated and PVC-sheathed cable matches the installation environment.

  • Commercial and residential building feeders.
  • Industrial plants, workshops and utility rooms.
  • Distribution boards and fixed equipment connections.
  • Cable ducts, conduits and protected outdoor routes.
  • Underground power distribution with suitable route protection.

NYY-J is unarmoured. Routes exposed to impact, crushing or excavation damage use ducts, covers or a separate armoured cable construction.

 

CONSTRUCTION

Conductor: Copper conductor, solid or stranded according to cable size

Insulation: PVC insulation

Core Identification: NYY-J includes a green/yellow protective conductor; NYY-O does not

Outer Sheath: PVC outer sheath, commonly black

 

Technique Data of Our NYY-J Cable:

Recommended Reference Data: The tables cover common 2-core, 3-core, 4-core and 5-core NYY-J 0.6/1 kV constructions. The stated core count includes the green/yellow protective conductor.

Current ratings use the reference conditions: 30°C ambient air, 15°C ground temperature, 0.5 m laying depth and soil thermal resistivity of 1.2 K m/W. Values are recommended reference data, not guaranteed XWA production values. Final dimensions, weights and ratings follow the approved XWA datasheet and installation calculation.

1. 2-Core NYY-J Cable:

Cores x mm2 Conductor Max. DC resistance at 20 C (ohm/km) Insulation (mm) Sheath (mm) Approx. OD (mm) Approx. weight (kg/km) In duct (A) In air (A)
2 x 2.5 RE / Class 1 7.41 0.8 1.8 10.7 179 42 27
2 x 4 RM / Class 2 4.61 1.0 1.8 13.0 268 54 37
2 x 6 RM / Class 2 3.08 1.0 1.8 14.2 337 68 48
2 x 10 RM / Class 2 1.83 1.0 1.8 16.2 472 90 66
2 x 16 RM / Class 2 1.15 1.0 1.8 18.2 644 116 89

2. 3-Core NYY-J Cable:

Cores x mm2 Conductor Max. DC resistance at 20 C (ohm/km) Insulation (mm) Sheath (mm) Approx. OD (mm) Approx. weight (kg/km) In duct (A) In air (A)
3 x 1.5 RE / Class 1 12.1 0.8 1.8 10.4 166 26 18
3 x 2.5 RE / Class 1 7.41 0.8 1.8 11.3 212 34 25
3 x 4 RE / Class 1 4.61 1.0 1.8 13.1 299 44 34
3 x 6 RE / Class 1 3.08 1.0 1.8 14.2 380 56 43
3 x 10 RM / Class 2 1.83 1.0 1.8 17.1 570 75 60
3 x 16 RM / Class 2 1.15 1.0 1.8 19.2 789 98 80
3 x 25 RM / Class 2 0.727 1.2 1.8 22.1 1141 128 106
3 x 35 RM / Class 2 0.524 1.2 1.8 24.1 1462 157 131
3 x 50 RM / Class 2 0.387 1.4 1.8 27.6 1964 185 159
3 x 95 RM / Class 2 0.193 1.6 2.2 40.0 4488 275 244

3. 4-Core NYY-J Cable:

Cores x mm2 Conductor Max. DC resistance at 20 C (ohm/km) Insulation (mm) Sheath (mm) Approx. OD (mm) Approx. weight (kg/km) In duct (A) In air (A)
4 x 1.5 RE / Class 1 12.1 0.8 1.8 11.6 198 26 18
4 x 2.5 RE / Class 1 7.41 0.8 1.8 12.1 252 34 25
4 x 4 RE / Class 1 4.61 1.0 1.8 14.0 355 44 34
4 x 6 RE / Class 1 3.08 1.0 1.8 15.4 465 56 43
4 x 10 RM / Class 2 1.83 1.0 1.8 18.6 702 75 60
4 x 16 RM / Class 2 1.15 1.0 1.8 21.1 992 98 80
4 x 25 RM / Class 2 0.727 1.2 1.8 24.2 1431 128 106
4 x 35 RM / Class 2 0.524 1.2 1.8 26.6 1861 157 131
4 x 50 RM / Class 2 0.387 1.4 1.9 30.9 2535 185 159
4 x 70 RM / Class 2 0.268 1.4 2.1 35.1 3441 252 247
4 x 95 RM / Class 2 0.193 1.6 2.2 40.4 4691 303 305
4 x 120 RM / Class 2 0.153 1.6 2.4 44.2 5757 313 282
4 x 150 RM / Class 2 0.124 1.8 2.5 48.5 7095 390 407
4 x 185 RM / Class 2 0.0991 2.0 2.7 53.9 8810 399 371
4 x 240 RM / Class 2 0.0754 2.2 2.9 61.1 11400 464 436

4. 5-Core NYY-J Cable:

Cores x mm2 Conductor Max. DC resistance at 20 C (ohm/km) Insulation (mm) Sheath (mm) Approx. OD (mm) Approx. weight (kg/km) In duct (A) In air (A)
5 x 1.5 RE / Class 1 12.1 0.8 1.8 12.0 232 24 18
5 x 2.5 RE / Class 1 7.41 0.8 1.8 13.1 302 34 25
5 x 4 RE / Class 1 4.61 1.0 1.8 15.2 428 44 34
5 x 6 RE / Class 1 3.08 1.0 1.8 16.5 551 56 43
5 x 10 RM / Class 2 1.83 1.0 1.8 20.3 853 75 60
5 x 16 RM / Class 2 1.15 1.0 1.8 23.1 1212 98 80
5 x 25 RM / Class 2 0.727 1.2 1.8 26.6 1759 128 106

NYY-J vs NYY-O and N2XY Cable:

NYY-J and NYY-O share the same PVC-insulated, PVC-sheathed construction. The suffix identifies whether a green/yellow protective conductor is included.

Feature NYY-J NYY-O N2XY
Insulation PVC PVC XLPE
Outer sheath PVC PVC PVC
Protective conductor Included Not included J or O versions
Normal conductor temperature 70°C 70°C 90°C
Main distinction Green/yellow PE core No green/yellow PE core Higher-temperature XLPE insulation

N2XY is the related XLPE-insulated alternative. Its common 90°C conductor rating differs from the 70°C PVC-insulated NYY construction.

 

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