BS5308 / PAS5308 cables are designed to connect electrical instrumentation and communication systems in industrial processing plants, typically in the gas, oil, chemical and water treatment industries. Other applications include voice and data transmission services, interconnection of electrical equipment and the building/construction industry.
BS5308 replacement by BS EN 50288-7 caused technical difficulties because BS5308 was regarded as the “standard” for instrumentation cables. To avoid the loss of BS5308 it was reissued as PAS5308. PAS5308 has additional options including XLPE insulation, core colour coding and some electrical testing and dimensional variances. The specification is now referred to as BS5308/PAS5308
BS5308 Categorization:
- Part 1 Type 1 (unarmoured)
- Part 1 Type 2 (armoured)
- Part 2 Type 1 (unarmoured)
- Part 2 Type 2 (armoured)
Construction:
The specific cable featured is a Part 1 Type 1 unarmoured instrumentation cable with class 5 (stranded) flexible copper conductors. Cores are PE insulated (minimum 10 twists per metre) with a collective aluminium mylar screen with tinned copper drain wire. Outer jacket is black PE.
Construction options are….
Part 1 Type 1 = Solid Class 1, Stranded Class 2 or Flexible Class 5 copper conductors / PE core insulation / CAT or ICAT / PVC Outer Jacket (PE or LSZH optional).
Part 1 Type 2 = Solid Class 1, Stranded Class 2 or Flexible Class 5 copper conductors / PE core insulation / CAT or ICAT / SWA / PE or LSZH Outer Jacket.
Part 2 Type 1 = Stranded Class 2 or Flexible Class 5 copper conductors / PVC core insulation / CAT or ICAT / PE or LSZH Outer Jacket.
Part 2 Type 2 = Stranded Class 2 or Flexible Class 5 copper conductors / PVC core insulation / CAT or ICAT / SWA / PE or LSZH Outer Jacket.
300v / 500V rating
Sizes range from 1pr – 30pr & 0.5mm2 – 2.5mm2
Bend radius: 5 x overall diameter
Temperature rating -15°C to + 65°C (It is possible to use XLPE insulation to give + 90°C operating temp)
LSZH flame retardancy to BS EN 60332-3-24
Sheath colours: Black or Blue
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