NA2XS(FL)H 1x95 RM/16 18/30 kV
IEC nominal calculation, not manufacturer data. The thicknesses are the nominal values of the construction standards, added up layer by layer. A manufacturer's cable of the same name can differ by a few millimetres and by 10 to 20 % in weight: always check its datasheet before you specify, order or lay a cable.
By the IEC construction rules, NA2XS(FL)H 1x95 RM/16 18/30 kV comes to an overall diameter of about 37.7 mm and a weight of about 1,440 kg/km.
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Main dimensions
| Conductor | Aluminium 95 mm² RM, Ø 11.5 mm | IEC 60228 class 2 compacted, middle of min / max |
|---|---|---|
| Insulation | XLPE 8.0 mm | IEC 60502-2:2014 Tables 5-7, nominal insulation thickness |
| Diameter over insulation | 28.7 mm | |
| Overall diameter | 37.7 mm | |
| Weight (approximate) | 1,440 kg/km |
Round conductors (IEC 60228 class 2 compacted; class 1 solid up to 10 mm²).
Layer by layer (inside out)
| # | Layer | Material | Thickness mm | Ø over mm | Source | How firmly |
|---|---|---|---|---|---|---|
| 1 | Conductor screen (semicon) | Semiconducting | 0.6 | 12.7 | TKF at least 0.5 mm, Nexans under 1 mm | typical value, no rule |
| 2 | Insulation | XLPE | 8.0 | 28.7 | IEC 60502-2:2014 Tables 5-7, nominal insulation thickness | read in the standard |
| 3 | Insulation screen (semicon) | Semiconducting | 0.8 | 30.3 | TKF 0.8 mm, Nexans about 1 mm | typical value, no rule |
| 4 | Swelling tape (water block) | Swelling | 0.3 | 30.9 | typical swelling tape 0.30 mm; a wound tape at most 70 mm wide | typical value, no rule |
| 5 | Wire screen | Copper | 42 wires of 0.70 mm, 16 mm² | 32.5 | copper wire screen: wires at least 0.5 mm (0.7 mm, thicker when the section does not fit), 0.1 mm counter-helix tape | typical value, no rule |
| 6 | Swelling tape (water block) | Swelling | 0.3 | 33.1 | typical swelling tape 0.30 mm; a wound tape at most 70 mm wide | typical value, no rule |
| 7 | Laminate (radial water block) | Aluminium | 0.2 | 33.5 | typical aluminium laminate bonded to the sheath | typical value, no rule |
| 8 | Sheath | Halogen-free (LSZH) | 2.1 | 37.7 | IEC 60502 clause 13 / 14.3, oversheath: 0.035 D + 1.0 mm, D the fictitious diameter (Annex A) | read in the standard |
Diameters add up the nominal layers. Where IEC 60502 sizes a layer by the fictitious diameter of its Annex A, the calculated diameter is used instead, which can move a value one step. Sources and page numbers: research/mv-dimensions in the site repository.
Materials in this cable: Copper, Aluminium, XLPE, Halogen-free (LSZH), Semiconductive compound
Weight, by part
| Conductors | 260 kg/km |
| Metal screens and armour | 200 kg/km |
| Insulation, semicon, tapes, fillers and sheaths | 980 kg/km |
| Total | 1,440 kg/km |
|---|
Each layer's cross-section times its density; stranded conductors, laid-up cores and helical wires count 2 % longer than the cable. Densities: copper 8.89 and aluminium 2.703 g/cm³ (the values of IEC 60028 and IEC 60889); XLPE 0.92, PE 0.94, PVC 1.45, semicon 1.12, steel 7.85 g/cm³ (usual compound values).
NA2XS(FL)H 1x95 RM/16 18/30 kV: equivalents in other countries
Shown for 1x95/16 18/30 kV. Each country's rules are applied to this build, keeping the conductor, section, cores, voltage, screen, armour and sheath.
| Country | Standard | Name in that country | Verdict | Differences |
|---|---|---|---|---|
| International (IEC) | IEC 60502 | Al/XLPE/CWS/LSZH 1x95/16 18/30 kV (to IEC 60502-2) | Close | Insulation screen (semicon) 0.6 → 0.8 mm; Sheath 2.5 → 2.1 mm; Overall diameter 38.1 → 37.7 mm |
| Netherlands | HD 620 S3 10-J | no letters for this build | Close | screen 16 → 25 mm² (HD 620 10-J Table A.1); Insulation screen (semicon) 0.6 → 0.8 mm; Overall diameter 38.1 → 38.5 mm |
| Sweden | HD 620 S3 10-M | AXCQJ-TT 1x95/25 18/30 (36) kV (NKT writes a near build without the C (AXLJ)) | Close | screen 16 → 25 mm² (HD 620 10-M Tables 1A, 2A, 3A); Sheath 2.5 → 2.1 mm; Overall diameter 38.1 → 37.3 mm; this cable as built misses 1 of its rules |
| Norway | HD 620 S3 10-K | TSLI 36 kV 1 x 95 mm2 A (provisional code designation of HD 620 10-K Table 4) | Close | screen 16 → 25 mm² (HD 620 10-K Table 1); Insulation screen (semicon) 0.6 → 0.8 mm; Sheath 2.5 → 2.1 mm; Overall diameter 38.1 → 37.7 mm; this cable as built misses 1 of its rules |
| Denmark | HD 620 S3 10-D | no letters for this build | Close | screen 16 → 25 mm² (HD 620 10-D Table 1); Insulation screen (semicon) 0.6 → 0.8 mm; Sheath 2.5 → 3 mm; Overall diameter 38.1 → 39.5 mm; this cable as built misses 2 of its rules |
No equivalent in: BS 6622 (armoured cables only).
Nominal values computed by each standard's rules, not manufacturer data. This is not a statement that two cables are interchangeable: the buyer's specification and the maker's type test decide.