BS 7211 Single Core 450/750V Mica+LSZH Insulated Power Cables
Applications
BS 7211 single core 450/750V mica+LSZH insulated power cables is used in fire extinguishing systems, sprinklers, control panels, and exit lights in high-rise buildings, hotels, hospitals, sub-ways, and public facilities.
Standards
BS 7211
Fire Performance
| Circuit Integrity | IEC 60331-23; BS 6387 CWZ; DIN VDE 0472-814(FE180); CEI 20-36/2-1; SS299-1; NBN C 30-004 (cat. F3); NF C32-070-2.3(CR1) |
| System circuit integrity | DIN 4102-12, E30 depending on lay system |
| Flame Retardance (Single Vertical Wire Test) | EN 60332-1-2; IEC 60332-1-2; BS EN 60332-1-2; VDE 0482-332-1 ; NBN C 30-004 (cat. F1); NF C32-070-2.1(C2); CEI 20-35/1-2; EN 50265-2-1*; DIN VDE 0482-265-2-1* |
| Reduced Fire Propagation (Vertically-mounted bundled wires & cable test) | EN 60332-3-24 (cat. C); IEC 60332-3-24; BS EN 60332-3-24; VDE 0482-332-3; NBN C 30-004 (cat. F2); NF C32-070-2.2(C1); CEI 20-22/3-4; EN 50266-2-4*; DIN VDE 0482-266-2-4 |
| Halogen Free | IEC 60754-1; EN 50267-2-1; DIN VDE 0482-267-2-1; CEI 20-37/2-1 ; BS 6425-1* |
| No Corrosive Gas Emission | IEC 60754-2; EN 50267-2-2; DIN VDE 0482-267-2-2; CEI 20-37/2-2 ; BS 6425-2* |
| Minimum Smoke Emission | IEC 61034-1&2; EN 61034 -1&2; DIN VDE 0482-1034-1&2; CEI 20-37/3-1&2; EN 50268-1&2*; BS 7622-1&2* |
| No Toxic gases | NES 02-713; NF C 20-454 |
Construction
| Conductor | Plain annealed copper wire, stranded according to IEC 60228 class 2 |
| Fire Barrier | Mica glass tape |
| Insulation | Thermoplastic LSZH compound type LTS3 as per BS 7655-6.1 (Thermosetting LSZH compound type SW2-SW4 as per BS 7655-2.6 can be offered.). UV resistance, hydrocarbon resistance, oil resistance, anti rodent and anti termite properties can be offered as option. |
Colour Code
Insulation Colour as per BS7671
| With Earth Conductor | Without Earth Conductor |
|
| 2Cores | Brown, Blue | |
| 3Cores | Yellow/Green, Brown, Blue | Brown, Gray, Black |
| 4Cores | Yellow/Green, Brown, Gray, Black | Brown, Gray, Black, Blue |
| 5Cores | Yellow/Green, Brown, Gray, Black, Blue | Brown, Gray, Black, Blue, Black |
| above 5 Cores | Yellow/Green, Black Numbered | Black Numbered |
Sheath Colour: Black (other colors upon request)
Physical and thermal properties
| Temperature range during operation (fixed state) | -30°C – +90°C |
| Temperature range during installation (mobile state) | -20°C – +50°C |
| Minimum bending radius | 6 x Overall Diameter |
Electrical properties
| Rated Voltage Uo/U (Um) | 450/750V |
| Dielectric test | 2500 V r.m.s. x 5' (core/core) |
| Insulation resistance | 20 MΩ x km (at 20°C) |
| Short circuit temperature | 250°C |
Dimensions and Weight
| Conductor | FFX100 07mZ1-R | |||
|---|---|---|---|---|
| Nominal Cross Section Area | No./ Nominal Diameter of trands | Nominal Insulation Thickness | Nominal Overall Diameter | Approx.Weight |
| mm2 | No./mm | mm | mm | kg/km |
| 1.5 | 7/0.53 | 0.7 | 3.5 | 25 |
| 2.5 | 7/0.67 | 0.8 | 4.1 | 35 |
| 4 | 7/0.85 | 0.8 | 4.6 | 52 |
| 6 | 7/1.04 | 0.8 | 5.2 | 72 |
| 10 | 7/1.35 | 1 | 6.5 | 120 |
| 16 | 7/1.70 | 1 | 7.6 | 180 |
| 25 | 7/2.14 | 1.2 | 9 | 275 |
| 35 | 7/2.52 | 1.2 | 10.2 | 370 |
| 50 | 19/2.52 | 1.4 | 11.8 | 500 |
| 70 | 19/2.14 | 1.4 | 13.4 | 700 |
| 95 | 19.2.52 | 1.6 | 15.8 | 980 |
| 150 | 37/2.52 | 1.8 | 18.8 | 1500 |
| 185 | 37/2.52 | 2 | 21 | 1900 |
| 240 | 37/2.52 | 2.2 | 25.7 | 2500 |
| 300 | 37/2.52 | 2.4 | 28.6 | 3140 |
| 400 | 61/2.85 | 2.6 | 32 | 4000 |
| 500 | 61/3.20 | 2.8 | 35.5 | 5000 |
| 630 | 127/2.52 | 2.8 | 39.5 | 6300 |