LSHF Single Core Cable 6491B

6491B Power Cable

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

+ Add colour you require
Click to download the CSE Cable's 6491B Power Cable Catalogue PDF.

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