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BS5308 Cable Part 2 Type 2 PVC-OS-SWA-PVC Collectively Screened (Overall Screened) Armoured Instrument Cables

The BS 5308 Part 2 Type 2 instrument cables with collectively screen and steel wire armour are generally used when the risk of mechanical damage is increased. The galvanized steel wire armour provides excellent protection. Generally used within industrial process manufacturing plants for communication, data and voice transmission signals and services, Also used for the interconnection of electrical equipment and instruments, typically in chemical or petrochemical industry. The armored versions are generally use for outdoor installation for direct burial or installed in the duct and suitable for wet and damp areas.
Size:

BS 5038 PART 2 TYPE 2 Collectively Screened & Steel Wire Armoured Instrument Cables铠装总屏仪表7对

Applications

The armoured versions (Part 2 Type 2) are generally used when the risk of mechanical damage is increased. The galvanised steel wire armour provides excellent protection. Generally used within industrial process manufacturing plants for communication, data and voice transmission signals and services, Also used for the interconnection of electrical equipment and instruments, typically in chemical or petrolchemical industry. The armored versions are generally use for outdoor installation for direct burial or installed in the duct and suitable for wet and damp areas.


Construction



Conductor Annealed or tinned copper, sizes: 0.5mm^2 and 0.75mm^2 mulitistranded(Class 5), 1.5mm^2 multistranded(Class 2) to BS6360
Insulation PVC (polyvinyl chloride), type TI1 to BS 6746
Pairing Two insulated conductors uniformly twisted together with a lay not exceeding 100mm
Colour code Multicore cables: up to 40 cores yellow with black numbers, 41 -80 cores black with yellow numbers. Multipair cables:See technical information
Binder tape PETP transparent tape
Collective screen Aluminium/polyester tape is applied over the laid up pairs metallic side down in contact with tinned copper drain wire, 0.5mm^2
Inner Sheath PVC (polyvinyl chloride), type TM 1 to BS 6746
Amour Galvanized steel wire armour
Outer sheath PVC Sheath, type TM 1 or type 6 to BS 6746
Sheath colour Black or blue


Mechanical and Electrical Properties

Operating temperature -40C up to + 70C( fixed installation)

0C to +50C(during operation )
Minimum bending radius 6 x overall diameter

 

Conductor Area Size mm 2 0.5 0.75 1.5
Conductor Stranding No. x mm 16 x 0.2 24 x 0.2 7 x 0.53
Conductor resistance max ohm/km 39.7 26.5 12.3
Insulation resistance min Mohm/km 25 25 25
Max. Mutual Capacitance:pair or adjacent cores pF/m 250 250 250
Capacitance between any core or screen max. pF/m 400 400 400
Max. L/R Ratio for adjacentcores(Inductance/Resistance) μH/ohm 25 25 40
Test voltage Core to core V 1000 1000 1000

Core to screen V 1000 1000 1000
Rated voltage max V 300/500 300/500 300/500


Parameter

No.of Cores No.and Dia. of Wires Nominal Conductor Cross-Sectional Area Nominal Thickness of Insulation Nominal Thickness of bedding Nominal Dia. over Bedding Nominal Thickness of Armour Nominal Thickness of Sheath Nominal Dia. of Cable Approx.Weight
no./mm mm^2 mm mm mm mm mm mm kg/km
1 16/0.2 0.5 0.6 0.8 6.2 0.9 1.3 10.6 260
2 16/0.2 0.5 0.6 0.8 7.1 0.9 1.3 11.5 305
5 16/0.2 0.5 0.6 1.1 12.4 0.9 1.5 17.2 610
10 16/0.2 0.5 0.6 1.2 16.5 1.25 1.6 22.2 1060
15 16/0.2 0.5 0.6 1.3 19.2 1.6 1.7 25.8 1330
20 16/0.2 0.5 0.6 1.3 21.7 1.6 1.8 28.5 1800
30 16/0.2 0.5 0.6 1.5 26.4 1.6 1.9 33.4 1980
50 16/0.2 0.5 0.6 1.7 33.4 2 2.1 41.6 3070
1 24/0.2 0.75 0.6 0.8 6.7 0.9 1.3 11.1 305
2 24/0.2 0.75 0.6 0.8 7.7 0.9 1.4 12.3 360
5 24/0.2 0.75 0.6 1.2 13.8 1.25 1.5 19.3 820
10 24/0.2 0.75 0.6 1.3 18.4 1.6 1.7 25 1250
15 24/0.2 0.75 0.6 1.3 21.1 1.6 1.8 27.9 1600
20 24/0.2 0.75 0.6 1.5 24.4 1.6 1.8 31.2 1800
30 24/0.2 0.75 0.6 1.7 29.6 2 2 37.6 2570
50 24/0.2 0.75 0.6 2 37.4 2.5 2.3 47.3 3800
1 7/0.53 1.5 0.6 0.8 7.5 0.9 1.4 12.1 360
2 7/0.53 1.5 0.6 0.9 8.8 0.9 1.4 13.4 460
5 7/0.53 1.5 0.6 1.2 15.6 1.25 1.6 21.3 1040
10 7/0.53 1.5 0.6 1.3 20.9 1.6 1.8 27.7 1610
15 7/0.53 1.5 0.6 1.5 24.6 1.6 1.9 31.6 2060
20 7/0.53 1.5 0.6 1.5 27.8 1.6 2 35 2630
30 7/0.53 1.5 0.6 1.7 33.7 2 2.1 41.9 3460
50 7/0.53 1.5 0.6 2 43 2.5 2.4 52.8 5520



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