450/750V Mica+XLPE Insulated, LSZH Sheathed Power Cables to BS 7211 (2-5 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 7211:2012FIRE PERFORMANCECircuit Integ…
450_750V Mica+XLPE Insulated, LSZH Sheathed PowerCables to BS 7211 (2-5 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 7211:2012

FIRE PERFORMANCE

Circuit IntegrityIEC 60331-21; BS 6387; BS 8491
Flame Retardance (Single vertical wire or cable test)IEC 60332-1-2; EN 60332-1-2
Reduced Fire Propagation (Vertically-mounted bundled wires & cables test)IEC 60332-3-24; EN 60332-3-24
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

450/750V

CABLE CONSTRUCTION

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

Fire Barrier : Mica glass tape.

Insulation : XLPE type GP 8 according to BS 7655-1.3. Crosslinked polyolefin material type EI 5 according to EN 50363-5 can be offered as option.

Inner Covering Option : The optional inner covering, where used, shall consist of an extruded layer of synthetic polymeric material. It shall surround the laid-up two, three, four or five cores, giving the assembly a practically circular shape.

Outer Sheath : Extruded LSZH type LTS 4 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 : Brown and blue.

3-core : Brown, black and grey.

4-core : Blue, brown black and grey.

5-core : Green/yellow, blue, brown black and grey.

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

PHYSICAL AND THERMAL PROPERTIES

Maximum temperature range during operation : 90°C

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

Minimum bending radius :

OD<8mm : 4 × Overall Diameter

8mm≤OD≤12mm : 5 × Overall Diameter

OD>12mm : 6 × Overall Diameter

CONSTRUCTION PARAMETERS

ConductorFRP450-mRZ1-U/R
No. of Cores × Cross-sectional AreaConductor ClassNominal Insulation ThicknessNominal Inner Covering ThicknessNominal Sheath ThicknessMin. Overall DiameterMax. Overall DiameterApprox. Weight
No.×mm² mmmmmmmmmmkg/km
2×1.010.70.41.29.111.5102
2×1.510.70.41.29.612.1129
2×2.510.70.41.210.413.0174
2×410.70.41.211.214.1221
2×610.70.41.212.215.2281
2×1010.70.41.414.118.0458
2×1.020.70.41.29.311.7122
2×1.520.70.41.29.812.3146
2×2.520.70.41.210.513.3192
2×420.70.41.211.514.4248
2×620.70.41.212.615.7318
2×1020.70.61.414.718.7508
2×1620.70.61.416.420.8692
2×2520.90.81.419.725.21063
2×3520.90.81.622.028.01155
3×1.010.70.41.29.712.2122
3×1.510.70.41.210.212.8155
3×2.510.70.41.211.013.8212
3×410.70.41.212.014.9274
3×610.70.41.213.416.6401
3×1010.70.61.415.019.1574
3×1.020.70.41.29.912.4140
3×1.520.70.41.210.413.1168
3×2.520.70.41.211.214.1227
3×420.70.41.212.315.3296
3×620.70.41.413.817.2401
3×1020.70.61.415.719.9624
3×1620.70.61.417.522.1867
3×2520.90.81.421.126.81338
3×3520.90.81.623.529.81585
4×1.010.70.41.210.513.1146
4×1.510.70.41.211.113.8186
4×2.510.70.41.212.015.0258
4×410.70.41.213.116.2348
4×610.70.41.414.618.5463
4×1010.70.61.416.520.8710
4×1.020.70.41.210.713.4166
4×1.520.70.41.211.314.1201
4×2.520.70.41.212.315.2274
4×420.70.41.213.416.6362
4×620.70.61.415.119.1508
4×1020.70.61.417.221.6770
4×1620.70.61.419.324.21078
4×2520.90.81.623.629.91602
4×3520.91.01.625.933.12076
5×1.010.70.41.211.514.2177
5×1.510.70.41.212.115.0228
5×2.510.70.41.213.216.3318
5×410.70.41.414.718.6445
5×610.70.61.416.020.2574
5×1010.70.61.418.122.7887
5×1.020.70.41.211.714.6203
5×1.520.70.41.212.415.3247
5×2.520.70.41.213.416.6340
5×420.70.61.415.119.1483
5×620.70.61.416.520.8633
5×1020.70.61.418.923.6968
5×1620.70.81.421.226.91359
5×2520.91.01.626.033.21899
5×3520.91.01.628.636.32539

ELECTRICAL PROPERTIES

Conductor operating temperature : 90°C

Ambient temperature : 30°C

CURRENT-CARRYING CAPACITIES (AMP) ACCORDING TO BS 7671:2008 TABLE 4E2A

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
1.014.513171519172118
1.518.516.52219.524222623
2.52522302633303632
43330403545404942
64238514458526354
105751696080718675
167668918010796115100
259989119105138119149127
35121109146128171147185158

Note: *With or without a protective conductor.

VOLTAGE DROP (PER AMP PER METER) ACCORDING TO BS 7671:2008 TABLE 4E2B

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
1.0464640
1.5313127
2.5191916
4121210
67.97.96.8
104.74.74.0
162.92.92.5


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