450/750V
Cable Application
6491B HO7Z-R to BS7211 cable is suitable for power, conduit wiring, lighting networks, switchgear, control gear and internal wiring. The class 2 plain annealed copper conductor is LSHF (Low Smoke Halogen Free) insulated. Available in a variety of colours, the LSHF insulated non-armoured cable is designed for use in situations where smoke and acid gas emissions would be hazardous to people and equipment.
Technical Information
| Conductor Material: | Copper, BS EN 60228:2005 | |
| Conductor Shape: | Stranded circular | |
| Outer Sheath: | LSHF (Low Smoke Halogen Free) | |
| Colour: | 1.5mm & 2.5mm: | Brown, black, blue, grey, orange, green/yellow (earth),red and white |
| |
4.0mm up to 630mm: | Brown, black, blue, grey and green/yellow (earth) |
| Halogen Free: | Yes | |
| Lead Free: | Yes | |
| Rated Voltage Uo/U (Um): | 450/750V | |
| Installation Temperature: | Minimum: Maximum: |
0°C 60°C |
| Operating Temperature: | Minimum: Maximum: |
-20°C 90°C |
| Short-circuit Maximum Conductor Temperature: | 250°C | |
| Installation Type: | Conduit wiring | |
| Flame Retardant: | IEC60332-1 | |
| Smoke Density: | IEC61034 | |
| Gases Toxicity: | Low toxicity to IEC60754 | |
| Gases Corrosivity: | Low IEC 60754-2 | |
| Bending Radius: | 1.5mm² up to 25mm² = 3 x Ø | |
| |
35mm² up to 240mm² = 4 x Ø | |
| |
240mm² up to 630mm² = 6 x Ø | |
| Part number | Cross section mm2 | Stranding mm | Approx weight kg/km | Approx overall diameter | Nylon A2 Gland size mm | Nom. Max. DC-resist conductor 20°C ohm/km | Current rating (enclosed in conduit) | |
| Single-phase a.c. or d.c. amp | Three-phase a.c. amp | |||||||
| 6491B1.5+ | 1 x 1.5 | 7/0.53 | 21 | 2.9 | 16 | 12.1 | 22 | 10 |
| 6491B2.5+ | 1 x 2.5 | 7/0.67 | 34.5 | 3.53 | 16 | 7.41 | 30 | 26 |
| 6491B4.0+ | 1 x 4.0 | 7/0.85 | 50 | 4.4 | 16 | 4.61 | 40 | 35 |
| 6941B6.0+ | 1 x 6.0 | 7/1.04 | 70 | 4.68 | 16 | 3.08 | 51 | 45 |
| 6491B10+ | 1 x 10 | 7/1.35 | 119 | 5.98 | 16 | 1.83 | 71 | 63 |
| 6491B16+ | 1 x 16 | 7/1.70 | 179 | 6.95 | 16 | 1.15 | 95 | 85 |
| 6491B25+ | 1 x 25 | 7/2.14 | 278 | 8.7 | 20 | 0.727 | 126 | 111 |
| 6491B35+ | 1 x 35 | 7/2.52 | 378 | 10.08 | 20 | 0.524 | 156 | 138 |
| 6491B50+ | 1 x 50 | 19/1.78 | 562 | 11.8 | 20 | 0.387 | 189 | 168 |
| 6491B70+ | 1 x 70 | 19/2.14 | 719 | 13.5 | 25 | 0.268 | 240 | 214 |
| 6491B95+ | 1 x 95 | 19/2.52 | 991 | 15.7 | 25 | 0.193 | 290 | 259 |
| 6491B120+ | 1 x 120 | 37/2.03 | 1,217 | 17.4 | 25 | 0.153 | 336 | 299 |
| 6491B150+ | 1 x 150 | 37/2.25 | 1,508 | 19.3 | 32 | 0.124 | 375 | 328 |
| 6491B185+ | 1 x 185 | 37/2.52 | 1,902 | 21.5 | 32 | 0.0991 | 426 | 370 |
| 6491B240+ | 1 x 240 | 61/2.25 | 2,486 | 24.6 | 32 | 0.0754 | 450 | 433 |
| 6491B300+ | 1 x 300 | 61/2.52 | 3,042 | 27.9 | 40 | 0.0601 | 573 | 493 |
| 6491B400+ | 1 x 400 | 61/3.85 | 3,953 | 30.8 | 40 | 0.047 | 683 | 584 |
| 6491B500+ | 1 x 500 | 61/3.20 | 4,957 | 33.8 | 50 | 0.0366 | 783 | 666 |
| 6491B630+ | 1 x 630 | 127/2.50 | 6,279 | 37.6 | 50 | 0.0283 | 900 | 764 |
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Click to download the CSE Cable's 6491B Power Cable Catalogue PDF.
