Power cables with copper conductors and XLPE insulation for 0.66/1 kV
Power cables for a rated voltage of 0.66/1 kV with stranded copper conductors and cross-linked polyethylene (XLPE) insulation. The cross-linked polymer structure provides a conductor operating temperature of +90°C (vs +70°C for PVC) and a short-circuit temperature of +250°C (vs +160°C). This gives +25–30% continuous current-carrying capacity for the same cross-section and extends the service life. TCG production complies with GOST 31996-2012.
XLPE
XLPE + armour
XLPE + ng-LS
| Parameter | PvVG | PvBShv | PvVGng(A)-LS |
|---|---|---|---|
| Application | Fixed installation with increased current load | Installation in ground, armoured | High-occupancy facilities |
| Conductor | Copper, stranded | Copper, stranded | Copper, stranded |
| Insulation | Cross-linked polyethylene (XLPE) | Cross-linked polyethylene (XLPE) | Cross-linked polyethylene (XLPE) |
| Sheath | PVC compound | PVC compound (outer sheath) | Low-fire-hazard PVC compound |
| Protective coverings | Unarmoured | Armour of 2 steel tapes | Unarmoured |
| Flame propagation | Not rated | Not rated | Does not propagate (ng, cat. A) |
| Smoke emission | Standard | Standard | Low (LS) |
| Max. conductor t° (continuous) | +90°C | +90°C | +90°C |
| Max. conductor t° (short circuit) | +250°C | +250°C | +250°C |
| Number of cores | 1–5 | 1–5 | 1–5 |
| Cross-sections, mm² | 1.5–800 | 2.5–240 | 1.5–800 |
| Voltage | 0.66/1 kV | 0.66/1 kV | 0.66/1 kV |
| IEC equivalent | N2XY | N2XBY | — |
| Standard | GOST 31996-2012 | GOST 31996-2012 | GOST 31996-2012, GOST 31565-2012 |
| Advantage vs PVC | +25–30% continuous current, longer service life | Same + mechanical protection | Same + fire safety |
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