Armour without sheath
6-35 kV armoured power cable with Cu conductors, without outer sheath
PvB is a medium-voltage power cable with a copper conductor, XLPE insulation and armour of two galvanised steel tapes. There is no outer sheath – the armour acts as the external protection. It is used for installation in tunnels and ducts with low corrosive activity, where an outer sheath is not needed. Designation breakdown: Pv – XLPE, B – armour.
Sizes for 6/10 kV. Also produced for other voltages.
| Type / size | Cores | Cross-section, mm² | Voltage | Copper screen, mm² | Outer Ø, mm | Weight, kg/km |
|---|---|---|---|---|---|---|
| PvB 1×16 | 1 | 16 | 6/10 kV | 16 | — | — |
| PvB 1×25 | 1 | 25 | 6/10 kV | 16 | — | — |
| PvB 1×35 | 1 | 35 | 6/10 kV | 16 | — | — |
| PvB 1×50 | 1 | 50 | 6/10 kV | 16 | — | — |
| PvB 1×70 | 1 | 70 | 6/10 kV | 16 | — | — |
| PvB 1×95 | 1 | 95 | 6/10 kV | 16 | — | — |
| PvB 1×120 | 1 | 120 | 6/10 kV | 16 | — | — |
| PvB 1×150 | 1 | 150 | 6/10 kV | 16 | — | — |
| PvB 1×185 | 1 | 185 | 6/10 kV | 16 | — | — |
| PvB 1×240 | 1 | 240 | 6/10 kV | 25 | — | — |
PvB is a simplified armoured version for conditions where a PVC outer sheath is not required. The armour of two galvanised steel tapes provides mechanical protection and at the same time serves as the cable's outer covering. This saves materials and reduces cost.
It is used for installation in cable tunnels, ducts and utility galleries – where there is no direct contact with soil or aggressive environments. It is not recommended for installation in ground without additional protection – PvBV with an outer sheath is used for that purpose.
Conductor
Copper, stranded.
Semi-conducting screen, XLPE, semi-conducting screen
Copper wire screen
Inner sheath (bedding)
PE compound under the armour.
Armour
Two galvanised steel tapes. Serves as both protection and outer covering – there is no separate sheath.
PvB cross-section – conductor + XLPE + screen + armour (outermost)
Detailed specifications – see the TCG datasheet
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