300/500V Mica+XLPE Insulated, LSZH Sheathed, Screened Power Cables to BS 8436 (2-4 Cores)
APPLICATIONThe cables are mainly used in power stations, mass transit underground passenger systems, airports, petrochemical plants, hotels, hospitals and high-rise buildings.STANDARDSBasic design adapted from BS 8436:2011FIRE PERFORMANCECircuit Integ…
300_500V Mica+XLPE Insulated, LSZH Sheathed, ScreenedPower Cables to BS 8436 (2-4 Cores).pdf Contact us

APPLICATION

The cables are mainly used in power stations, mass transit underground passenger systems, airports, petrochemical plants, hotels, hospitals and high-rise buildings.

STANDARDS

Basic design adapted from BS 8436:2011

FIRE PERFORMANCE

Circuit IntegrityIEC 60331-21; BS 6387
Flame Retardance (Single vertical wire or cable test)IEC 60332-1-2; EN 60332-1-2
Halogen freeIEC 60754-1; EN 50267-2-1
No Corrosive Gas EmissionIEC60754-2; EN 50267-2-2
Minimum Smoke EmissionIEC 61034-2; EN 61034-2

VOLTAGE RATING

300/500V

CABLE CONSTRUCTION

Conductor : Tinned annealed copper conductor, solid or stranded according to BS EN 60228 class 1, class 2 or class 5.

Fire Barrier : Mica glass tape.

Insulation : Thermosetting XLPE type GP 8 according to BS 7655-1.3. Crosslinked polyolefin material type EI 5 according to EN 50363-5 or crosslinked elastomeric GP 4/GP 6 according to BS 7655-1.2 can be offered as option.

CPC (Circuit Protective Conductor) : Uninsulated tinned annealed copper conductor conforming to BS EN 13630:2002.

Screen : One or more metallic or laminated metallic tape(s) shall be applied, either longitudinally or helically or as a combination of both, with the metallic element in contact with the uninsulated circuit protective conductor.

Outer Sheath : LSZH type LTS 3 according to BS 7655-6.1.

Outer Sheath Option : UV resistance, hydrocarbon resistance, oil resistance, anti-rodent and anti-termite properties can be offered as option.

COLOUR CODE

Insulation Colour :

2-core + uninsulated circuit protective conductor : Brown, blue or brown, brown.

3-core + uninsulated circuit protective conductor : Brown, black, grey.

4-core + uninsulated circuit protective conductor : Blue, brown, black, grey.

Sheath Colour : White; other colours can be offered upon request.

PHYSICAL AND THERMAL PROPERTIES

Maximum temperature range during operation : 70°C

Maximum short circuit temperature (5 Seconds) : 250°C

Minimum bending radius : 6 × Overall Diameter

CONSTRUCTION PARAMETERS

ConductorFRP300-mROZ1-U/R/K
No. of Cores × Cross-sectional AreaConductor ClassNominal Insulation ThicknessNominal Sheath ThicknessApprox. Overall DiameterApprox. Weight
No.×mm² mmmmmmkg/km
2×1.01/2/50.60.99.1104
2×1.51/2/50.70.910.0127
2×2.51/2/50.71.011.0169
2×41/2/50.71.112.3229
3×1.01/2/50.60.99.6126
3×1.51/2/50.70.910.6159
3×2.51/2/50.71.011.7214
3×41/2/50.71.113.1297
4×1.01/2/50.61.010.5153
4×1.51/2/50.71.011.6195
4×2.51/2/50.71.112.8263
4×41/2/50.71.214.4366

ELECTRICAL PROPERTIES

Conductor operating temperature : 70°C

Ambient temperature : 30°C

CURRENT-CARRYING CAPACITIES (AMP) ACCORDING TO BS 7671:2008 TABLE 4D2A

Conductor cross-sectional areaRef. Method A (enclosed in conduit in thermally insulating wall etc.)Ref. Method B (enclosed in conduit on a wall or in trunking etc.)Ref. Method C (clipped direct)Ref. Method E (in free air or on a perforated cable tray etc. horizontal or vertical)
1 two-core cable*, single-phase a.c. or d.c.1 three-or four core cable*, three-phase a.c.1 two-core cable*, single-phase a.c. or d.c.1 three-or four core cable*, three-phase a.c.1 two-core cable*, single-phase a.c. or d.c.1 three-or four core cable*, three-phase a.c.1 two-core cable*, single-phase a.c. or d.c.1 three-or four core cable*, three-phase a.c.
123456789
mm²AAAAAAAA
1.011101311.51513.51714.5
1.5141316.51519.517.52218.5
2.518.517.5232027243025
42523302736324034

Note: *With or without a protective conductor.

VOLTAGE DROP (PER AMP PER METER) ACCORDING TO BS 7671:2008 TABLE 4D2B

Conductor cross-sectional areaTwo-core cable, d.c.Two-core cable, single-phase a.c.Three- or four-core cable, three-phase a.c.
1234
mm²mV/A/mmV/A/mmV/A/m
1.0444438
1.5292925
2.5181815
411119.5