Multicore Armoured Halogen-free Low Smoke Cable , 90°C SWA – BS6724

Halogen-Free / LSZH Cables Low Voltage Power Cables
Description

Multicore Armoured Halogen-free Low Smoke Cable

Product Overview

The Multicore Armoured Halogen-free Low Smoke Cable is designed for use in fixed installations in industrial areas, buildings, and similar applications. The cable features XLPE insulation, LSOH bedding, galvanized steel wire armour (SWA), and an LSOH outer sheath.

Standard and Approval: BS6724

Fire Performance:

  • Flame retardant: BS EN 60332-1-2, BS EN 60332-3-24

Features & Benefits

  • Halogen-Free Low Smoke: LSOH bedding and sheath minimise smoke and toxic gas emissions.

  • Flame Retardant: Complies with BS EN 60332-1-2 and BS EN 60332-3-24.

  • Mechanical Protection: Single layer of galvanized steel wires applied spirally over the bedding (SWA).

  • High Operating Temperature: Maximum conductor operating temperature: +90°C.

  • Low Temperature Performance: Lowest ambient temperature for fixed installation: -40°C; lowest installation temperature: 0°C.

  • High Short-Circuit Withstand: Maximum short-circuit conductor temperature: +250°C.

  • Low Smoke Emission: BS EN 61034-2.

  • Low Corrosive and Acid Gas Emission: BS EN 60754-1, HCL ≤ 0.5%.

  • Voltage Test: 3.5kV.

  • Sheath Colour: Black (other colours available at customer request).

  • Core Identification: HD 308 S2.

    • 2-core: Brown, Blue

    • 3-core: Brown, Black, Grey

    • 4-core: Blue, Brown, Black, Grey

    • 5-core: Green-Yellow, Blue, Brown, Black, Grey

    • Auxiliary cables: White with black numbering

  • Minimum Bending Radius: 6 x D for cables with circular copper conductors (D = overall diameter of the cable).

Typical Applications

  • Fixed installations in industrial areas

  • Buildings and similar applications

  • Power and control circuits requiring halogen-free, low smoke performance

Construction

  • Conductor: Annealed copper conductor or aluminium conductor, circular compacted stranded Class 2 acc. to BS EN 60228.

  • Insulation: Cross-linked polyethylene XLPE type GP8 acc. to BS 7655-1.3.

  • Bedding: LSOH (special low smoke zero halogen compound).

  • Armour: Single layer of galvanized steel wires applied spirally over the bedding (SWA).

  • Sheath: LSOH compound type LTS1 acc. to BS 7655-6.1.

Technical Specifications

Electrical & Thermal Characteristics

Parameter Value
Maximum Conductor Operating Temperature +90°C
Lowest Ambient Temperature for Fixed Installation -40°C
Lowest Installation Temperature 0°C
Maximum Short-Circuit Conductor Temperature +250°C
Test Voltage 3.5kV
Smoke Emission BS EN 61034-2
Corrosive and Acid Gas Emission BS EN 60754-1, HCL ≤ 0.5%
Flame Retardant BS EN 60332-1-2, BS EN 60332-3-24

Parameter Table – 2 Conductors

Conductor Size (mm²) Nominal Insulation Thickness (mm) Nominal Overall Diameter (mm) Approx. Net Weight Cu Cable (kg/km) Max. Cu Conductor Resistance at 20°C (Ω/km) Approx. Net Weight Al Cable (kg/km) Max. Al Conductor Resistance at 20°C (Ω/km)
2 × 1.5 0.7 14.5 339 12.100 321 –
2 × 2.5 0.7 15.4 388 7.410 358 –
2 × 4 0.7 16.48 452 4.610 403 –
2 × 6 0.7 17.56 526 3.080 452 –
2 × 10 0.7 19.94 786 1.830 663 3.08
2 × 16 0.7 21.94 981 1.150 786 1.91
2 × 25 0.9 25.84 1441 0.727 1135 1.2
2 × 35 0.9 24.73 1539 0.524 1112 0.868
2 × 50 1 27.25 1935 0.387 1324 0.641
2 × 70 1.1 30.17 2446 0.268 1592 0.443
2 × 95 1.1 35.02 3364 0.193 2204 0.32
2 × 120 1.2 37.53 3968 0.153 2503 0.253
2 × 150 1.4 40.88 4733 0.124 2902 0.206
2 × 185 1.6 45.83 6050 0.099 3794 0.164
2 × 240 1.7 50.01 7361 0.075 4435 0.125
2 × 300 1.8 54.39 8813 0.060 5154 0.1
2 × 400 2 60.03 11071 0.047 6193 0.0778

Parameter Table – 3 Conductors

Conductor Size (mm²) Nominal Insulation Thickness (mm) Nominal Overall Diameter (mm) Approx. Net Weight Cu Cable (kg/km) Max. Cu Conductor Resistance at 20°C (Ω/km) Approx. Net Weight Al Cable (kg/km) Max. Al Conductor Resistance at 20°C (Ω/km)
3 × 1.5 0.7 14.9688 370 12.100 343 –
3 × 2.5 0.7 15.9408 431 7.410 385 –
3 × 4 0.7 17.1072 511 4.610 438 –
3 × 6 0.7 18.2736 606 3.080 496 –
3 × 10 0.7 20.772 912 1.830 728 3.08
3 × 16 0.7 22.932 1167 1.150 874 1.91
3 × 25 0.9 27.088 1729 0.727 1270 1.2
3 × 35 0.9 28.09 2029 0.524 1388 0.868
3 × 50 1 31.92 2640 0.387 1725 0.641
3 × 70 1.1 36.47 3645 0.268 2363 0.443
3 × 95 1.1 40.47 4572 0.193 2832 0.32
3 × 120 1.2 43.4 5431 0.153 3234 0.253
3 × 150 1.4 48.98 7014 0.124 4268 0.206
3 × 185 1.6 53.17 8300 0.099 4916 0.164
3 × 240 1.7 58.59 10251 0.075 5861 0.125
3 × 300 1.8 63.82 12310 0.060 6822 0.1
3 × 400 2 70.1 15512 0.047 8196 0.0778

Parameter Table – 4 Conductors

Conductor Size (mm²) Nominal Insulation Thickness (mm) Nominal Overall Diameter (mm) Approx. Net Weight Cu Cable (kg/km) Max. Cu Conductor Resistance at 20°C (Ω/km) Approx. Net Weight Al Cable (kg/km) Max. Al Conductor Resistance at 20°C (Ω/km)
4 × 1.5 0.7 15.7306 412 12.100 375 –
4 × 2.5 0.7 16.8196 486 7.410 425 –
4 × 4 0.7 18.1264 585 4.610 488 –
4 × 6 0.7 20.3332 843 3.080 696 –
4 × 10 0.7 22.124 1064 1.830 819 3.08
4 × 16 0.7 25.244 1527 1.150 1136 1.91
4 × 25 0.9 29.116 2064 0.727 1453 1.2
4 × 35 0.9 31.5 2534 0.524 1679 0.868
4 × 50 1 35.48 3293 0.387 2072 0.641
4 × 70 1.1 40.44 4540 0.268 2831 0.443
4 × 95 1.1 45.08 5737 0.193 3418 0.32
4 × 120 1.2 50.24 7380 0.153 4450 0.253
4 × 150 1.4 54.64 8822 0.124 5160 0.206
4 × 185 1.6 59.66 10515 0.099 6003 0.164
4 × 240 1.7 66.13 13075 0.075 7222 0.125
4 × 300 1.8 71.78 15717 0.060 8400 0.1
4 × 400 2 81.01 20968 0.047 11212 0.0778

Parameter Table – 5 Conductors

Conductor Size (mm²) Nominal Insulation Thickness (mm) Nominal Overall Diameter (mm) Approx. Net Weight Cu Cable (kg/km) Max. Cu Conductor Resistance at 20°C (Ω/km) Approx. Net Weight Al Cable (kg/km) Max. Al Conductor Resistance at 20°C (Ω/km)
5 × 1.5 0.7 16.551 456 12.100 410 –
5 × 2.5 0.7 17.766 544 7.410 468 –
5 × 4 0.7 20.124 801 4.610 679 –
5 × 6 0.7 21.582 955 3.080 772 –
5 × 10 0.7 23.58 1223 1.830 917 3.08
5 × 16 0.7 26.98 1765 1.150 1276 1.91
5 × 25 0.9 31.78 2442 0.727 1678 1.2
5 × 35 0.9 34.68 3032 0.524 1963 0.868
5 × 50 1 39.82 4243 0.387 2718 0.641
5 × 70 1.1 44 5415 0.268 3279 0.443
5 × 95 1.1 50.67 7379 0.193 4480 0.32
5 × 120 1.2 54.85 8837 0.153 5175 0.253
5 × 150 1.4 59.87 10622 0.124 6045 0.206
5 × 185 1.6 65.92 12778 0.099 7138 0.164
5 × 240 1.7 72.41 15807 0.075 8490 0.125
5 × 300 1.8 80.6 20084 0.060 10938 0.1
5 × 400 2 90.22 25617 0.047 13422 0.0778

Note: All values are nominal as provided in the source specification. Actual dimensions and weights may vary within standard manufacturing tolerances. “–” indicates data not provided in the source specification.

Standards & Compliance

  • BS6724

  • Flame Retardant: BS EN 60332-1-2, BS EN 60332-3-24

  • Smoke Emission: BS EN 61034-2

  • Corrosive and Acid Gas Emission: BS EN 60754-1, HCL ≤ 0.5%

  • Conductor: BS EN 60228 Class 2

  • Insulation: XLPE type GP8 acc. to BS 7655-1.3

  • Sheath: LSOH compound type LTS1 acc. to BS 7655-6.1

  • Core Identification: HD 308 S2

Ordering Information

To request a quote or place an order, please provide the following information:

  • Product Type: Multicore Armoured Halogen-free Low Smoke Cable

  • Standard: BS6724

  • Number of Conductors and Cross-Section: e.g., 2 × 1.5 mm², 3 × 25 mm², 4 × 120 mm², 5 × 300 mm²

  • Conductor Material: Copper or Aluminium

  • Insulation: XLPE

  • Bedding: LSOH

  • Armour: SWA (Galvanized Steel Wire Armour)

  • Sheath: LSOH, Black (other colours on request)

  • Quantity: Total length in meters