1kv, 11kv, 35kv, XLPE Insulation Steel Wire Armoured Cables

1kv, 11kv, 35kv, XLPE Insulation Steel Wire Armoured Cables

1. Conductors
Conductors shall be of Copper or Aluminium, circular standed(Non-compacted or Compacted) or Shaped, Class 2 to IEC 60228, BS EN 60228. For smaller sizes, a solid circular conductor, Class 1 as per IEC 60228, BS EN 60228 can also be supplied upon request.

2. Insulation
XLPE material and thickness shall be as per IEC 60502 or BS 5467 rated for 90°C continuous operation.
PVC material and thickness shall be as per IEC 60502 or BS 6346. PVC insulation Material-Type A as per IEC 60502 or TI1 as per BS EN 50363.
PVC insulation as per SASO 1694 rated for 85°C continuous operation is also available on request.

3. Assembly
Two, Three or Four insulated conductors are laid-up together with non-hygroscopic fillers compatible with the insulation material and the assembly is bedded with an extruded layer of PVC. In case of non-armoured cables, this layer may be omitted if the outer shape of the cable remains practically circular.

4. Armour
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 armoured) Double Steel Tapes applied helically over the bedding of multi-core cables as per IEC 60502.

5. Outer Sheath
Outer sheath will be extruded PVC type ST2 as per IEC 60502-1, Type 9 as per BS 7655. Special type of PVC sheathing material such as fire retardant PVC, anti-termite and anti-rodent PVC, ultraviolet PVC, Oil resistant PVC, etc. are available on request also other special sheathing materials such as LLDPE, MDPE, HDPE, LSF, CPE etc are available.

6. Fire Performance of Cable Sheaths
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.