STA Steel Tape Armoured Power Cable LV Electrical For Switching Stations

1. Conductors:

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–​ Copper conductor, round standed or Shaped, Class 2 to IEC 60228, BS EN 60228.

–​ For smaller sizes, a solid round conductor, Class 1 as per IEC 60228, BS EN 60228 can also be supplied upon request.

2. Insulation

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PVC Insulation material and thickness shall be as per IEC 60502-1 and BS 6346. PVC material shall be Type A as per IEC 60502-1 or TI1 as per BS EN 50363.

3. Assembly / Inner Covering

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Two, Three or Four insulated conductors are laid-up together with non-hygroscopic fillers and the assembly is bedded with an extruded layer of PVC. In case of non armoured cables, this layer may be omitted

4. Armour

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Aluminum/Galvanized Steel Wires applied helically over the bedding as per IEC 60502 or as per BS 5467, BS 6346. Single core cables shall be Aluminium wire armour. Aluminum/Steel Tapes applied helically over the bedding of multi-core cables as per IEC 60502.

5. Outer Sheath

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Outer sheath shall be of Extruded PVC Type ST2 as per IEC 60502-1 or Type 9 as BS 6346/5467.

Special type of PVC sheathing material such as Fire Retardant PVC, Anti-Termite PVC, Anti-Rodent PVC, Sunlight resistant PVC, Oil Resistant PVC are available on special request. Also, special sheathing materials such as LLDPE, MDPE, HDPE, LSF, CPE are available on request.

6. Fire Performance of Cable Sheaths

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Cables can be supplied with special flame retardant PVC outer sheath to comply with the flame test requirements of IEC 60332-3-22, IEC 60332-3-23 and IEC 60332-3-24,can also supply cables with Low Smoke Halogen Free (LSHF) material according to IEC 60502-1, BS 7211, BS 6724 or other equivalent standards.