BS5308 Cable Part 1 Type 2 MG-XLPE-IS-OS-SWA-LSOH

Applications

The armoured fire resistant versions (Part 1Type 2) are typically used in chemical and process industries where there is danger of fire. The galvanised steel wire armour provides excellent protection.

Construction

  BS5308 Cable Part 1 Type 2 MG-XLPE-IS-OS-SWA-LSOH

 

Conductor Annealed or tinned copper, Class 2
Insulation Mica glass tape, XLPE (Cross Linked Polyethylene),or PE (optional)
Pairing Two insulated conductors uniformly twisted together with a lay not exceeding 100mm
Colour code 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 LSOH(Low Smoke Zero Halogen) sheath
Amour Galvanized steel wire armour
Outer sheath LSOH(Low Smoke Zero Halogen) sheath Flame retardant to IEC60332-3-22 Fire resistant to IEC60331 Halogen free to IEC60754-1 Low smoke emission to IEC61034-1-2
Sheath colour Black or blue

Mechanical and Electrical Properties

Operating temperature -20C up to + 90C( fixed installation)
  0C to +50C(during operation )
Minimum bending radius 6 x overall diameter

 

Conductor Area Size mm^2 0.5 0.75 1.0 1.5
Conductor Stranding No. x mm 7 x 0.3 7 x 0.37 7 x 0.44 7 x 0.53
Conductor resistance max ohm/km 36 24.5 18.1 12.1
Insulation resistance min Gohm/km 5 5 5 5
Capacitance unbalance at 1 kHz(pair to pair screen) pF/250m 250
Max. Mutual Capacitance @ 1 kHz forNon OS or OS cables (except one-pair and two-pairs) pF/m 115 115 115 115
Max. Mutual Capacitance @ 1 kHz IS/OS cables (include 1 pair and 2 pair) pF/m 75 75 75 75
Max. L/R Ratio for adjacent cores(Inductance/ Resistance) μH/ohm 25 25 25 40
Test voltage Core to core V 1000 1000 1000 1000
  Core to screen V 1000 1000 1000 1000
Rated voltage max V 300/500 300/500 300/500 300/500

Parameter

No.of Pairs 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
5 7/0.37 0.75 0.6 0.8 15.0 0.9 1.4 20.3 870
10 7/0.37 0.75 0.6 0.8 19.8 0.9 1.4 25.9 1480
15 7/0.44 1 0.6 0.8 14.8 0.9 1.4 20.0 890