Caledonian Instrumentation Cables BS5308 Part 1 BS5308 Cable Part 1 Type 2 MG-XLPE-OS-SWA-LSOH Application The armoured fire resistant versions (Part 1 Type 2) are typically used in chemical and process industries where there is danger of fire. The galvanised steel wire armour provides excellent protection.
Construction LSOH inner sheath Galvanized steel wire armour Mica glass tape + XLPE insulation PETP transparent binder tape Anealed copper conductor PETP transparent tape Tinned copper drain wire Overall Aluminium/polyester tape screen LSOH outer sheath
Conductor
Annealed or tinned copper, Class 5
Insulation
Mica glass tape, XLPE (Cross Linked Polyethylene)
Pairing Colour code
Two insulated conductors uniformly twisted together with a lay not exceeding 100mm See technical information
Binder tape Collective screen Inner Sheath
PETP transparent tape Aluminium/polyester tape is applied over the laid up pairs metallic side down in contact with tinned copper drain wire, 0.5mm²
Amour
Galvanized steel wire armour
Outer sheath
Sheath colour
LSOH(Low Smoke Zero Halogen) 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 Black or blue
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Mechanical and Electrical Properties Operating temperature: -20˚C up to + 90˚C( fixed installation) 0˚C to +50˚C(during operation ) Minimum bending radius: 6 x overall diameter Conductor Area Size
mm2
0.75
Conductor Stranding
No. x mm
7 x 0.37
ohm/km
24.5
Gohm/km
5
pF/250m
250
pF/m
115
pF/m
75
μH/ohm
25
V
1000
V
1000
V
300/500
Conductor resistance max Insulation resistance min Capacitance unbalance at 1 kHz(pair to pair screen) Max. Mutual Capacitance @ 1 kHz forNon OS or OS cables (except one-pair and twopairs) Max. Mutual Capacitance @ 1 kHz IS/OS cables (include 1 pair and 2 pair) Max. L/R Ratio for adjacent cores(Inductance/Resistance) Core to core Test voltage Core to screen Rated voltage max
Parameter
mm
Nominal Thickness of bedding mm
Nominal Thickness of Armour mm
Nominal Thickness of Sheath mm
no./mm
Nominal Conductor CrossSectional Area mm2
5
24/0.2
0.75
0.6
1.2
1.25
1.6
22.5
8
24/0.2
0.75
0.6
1.2
1.25
1.6
25.6
No.of Pairs
No.and Dia. of Wires
Nominal Thickness of Insulation
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Nominal Dia. of Cable
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mm