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PvVng(A)-LS MV + ng-LS
Power cables 6/10/35 kV GOST R 55025-2012

PVVNG(A)-LS

6-35 kV low-fire-hazard power cable with Cu conductors

PvVng(A)-LS is a modification of PvV with a sheath of low-fire-hazard PVC (ng – does not propagate flame in bunched installation, cat. A) and low smoke emission (LS – Low Smoke). It is used in medium-voltage distribution networks in places with large numbers of people – metro systems, shopping malls, high-rise buildings.

Voltage 6 – 35 kV
Conductor Copper
Feature ng (cat. A) + LS
Cross-section 16 – 800 mm²

PvVng(A)-LS PRODUCT RANGE

Sizes with low fire hazard and low smoke emission.

Type / sizeCoresCross-section, mm²VoltageCopper screen, mm²Outer Ø, mmWeight, kg/km
PvVng(A)-LS 1×161166/10 kV16——
PvVng(A)-LS 1×251256/10 kV16——
PvVng(A)-LS 1×351356/10 kV16——
PvVng(A)-LS 1×501506/10 kV16——
PvVng(A)-LS 1×701706/10 kV16——
PvVng(A)-LS 1×951956/10 kV16——
PvVng(A)-LS 1×12011206/10 kV16——
PvVng(A)-LS 1×15011506/10 kV16——
PvVng(A)-LS 1×18511856/10 kV16——
PvVng(A)-LS 1×24012406/10 kV25——
Complies with GOST 31565-2012.

PvVng(A)-LS cable description

PvVng(A)-LS is a modification of PvV for use in places with large numbers of people. The low-fire-hazard PVC sheath does not propagate flame in bunched installation (category A is the most stringent under GOST 31565-2012), while the low smoke and gas emission (LS) maintains visibility on escape routes during a fire and reduces smoke toxicity.

It is used to supply transformer substations in metro systems, shopping malls, high-rise buildings and hospitals. The electrical characteristics (voltage, current, cross-section) are identical to standard PvV; the only difference is the outer sheath material.

Applications

MV distribution networks in places with large numbers of people
Metro systems, underground substations, tunnels
High-rise buildings with an internal transformer substation
Shopping malls, hospitals and schools with their own substation
Trunk lines with bunched installation and fire-safety requirements

Construction

1

Conductor

Copper, stranded.

2

Semi-conducting conductor screen

3

Insulation

Cross-linked polyethylene (XLPE).

4

Semi-conducting insulation screen

5

Copper wire screen

6

Outer sheath

Low-fire-hazard PVC compound with low smoke emission (LS).

PvVng(A)-LS cross-section – XLPE insulation + ng-LS PVC sheath

Technical specifications

Rated voltage 6 / 10 / 15 / 20 / 35 kV
Conductor material Copper
Insulation Cross-linked polyethylene (XLPE)
Sheath Low-fire-hazard PVC (LS)
Flame propagation Does not propagate, category A
Smoke emission Reduced 5–7-fold
Number of cores 1 or 3
Cross-sections 16 – 800 mm²
Standard GOST R 55025-2012 / O'z DSt IEC 60502-2, GOST 31565-2012

Detailed specifications – see the TCG datasheet

Operating conditions

Installation temperature not below -20°C
Operating temperature -50°C … +50°C
Max. conductor t° (continuous) +90°C
Max. conductor t° (short circuit) +250°C
Air humidity up to 98% at +35°C
Min. bending radius 15 × Ø (single-core), 25 × Ø (three-core)
Service life at least 30 years
Warranty 5 years
Climatic category UHL

DOCUMENTS

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