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Traid PVC IS/OS Screened SWA BS5308 Instrumentation Cable Part 2 Type 2
Application: BS5308 cables are designed to carry communication and control signals in a variety of installation types including the petrochemical industry. The signals can be of analogue, data or voice type and from a variety of transducers such as pressure, proximity or microphone. BS 5308 cables are designed to form part of an intrinsically safe system and the technical information required to determine their suitability for this application is contained within the datasheet. Part 2 Type 2 cables are designed where a greater degree of mechanical protection is required namely outdoor / exposed or direct burial at suitable depth. Being BS 5308 Part 2 the insulation material is PVC, whilst the PVC sheathing material has an OI >30% and HCL <15% and the LSZH material is of type LTS3. Individually and collectively screened pairs are available within the range where further signal security is required.
Standards: BS/PAS 5308, BS EN 60228, BS 6234, BS 50363, IEC 60332-1, IEC 60332-3-24
Conductor: Class 5 plain copper conductors
Pairing: Two insulated conductors uniformly twisted together
Insulation: PVC (Polyvinyl Chloride)
Drain Wire: Tinned copper
Screen: Aluminium/Polyester tape
Bedding: PVC (Polyvinylchloride)
Armouring: Galvanised SWA (Steel Wire Armour)
Sheath: PVC (Polyvinyl Chloride) OI >30% HCL<15%
Sheath Colour: Blue or Black
Voltage Rating: 300/500V
Temperature Rating:
Fixed: -30ºC to +70ºC
Flexing: -5ºC to +50ºC
CONDUCTOR AREA SIZE | MM2 | 0.5 | 0.5 | 0.75 | 1 | 1.5 |
Conductor Stranding | No. x mm | 1 x 0.8 | 16 x 0.2 | 24 x 0.2 | 1 x 1.13 | 7 x 0.53 |
Conductor resistance max | ohm/km | 36.8 | 39.7 | 26.5 | 18.2 | 12.3 |
Insulation resistance min | Gohm/km | 5 | 5 | 5 | 5 | 5 |
Capacitance unbalance at 1 kHz(pair to pair screen) | pF/250m | 250 | 250 | 250 | 250 | 250 |
Max. Mutual Capacitance @ 1 kHz forNon OS or OS cables (except one-pair and two- pairs) | pF/m | 115 | 115 | 115 | 115 | 120 |
Max. Mutual Capacitance @ 1 kHz IS/OS cables (include 1 pair and 2 pair) | pF/m | 75 | 75 | 75 | 75 | 85 |
Max. L/R Ratio for adjacent cores (Inductance/ Resistance) | UH/ohm | 25 | 25 | 25 | 25 | 40 |
Test voltage Core to core | V | 1000 | 1000 | 1000 | 1000 | 1000 |
Test voltage Core to screen | V | 1000 | 1000 | 1000 | 1000 | 1000 |
Rated voltage max | V | 300/500 | 300/500 | 300/500 | 300/500 | 300/500 |
Minimum Bend Radius: 18 x Overall Diameter




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