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You are here: Home / Types of Cable / Construction and Armoured Cables / Single Core Fixed Wiring Cable / 6491B (H07Z-R) Single Core Cable

6491B (H07Z-R) Single Core Cable

 

6491B LSZH Green/Yellow Earth Cable
6491B LSZH Green/Yellow Earth Cable

Application:

H07Z-R (6491B) 450/750V single core cable are suitable for use in energy networks, data processing centres, tunnels and mining applications. The LSZH sheath makes the cable ideal for use in public buildings such as hospitals, schools, libraries, hotels and office blocks where there could be a risk of fire.

For installations that do not require Low Smoke Halogen Free cable 6491X Cable maybe a preferred option.

Special Characteristics:
  • Largely resistant to acids, bases and usual oils.
  • Free from lacquer damaging substances and silicone during production.
Standards:
  • H07Z-R / 6491B
  • BS 7211
  • Flame retardant to IEC 60332-1-2
  • Smoke density to IEC 61304
  • Gases toxicity to no toxicity IEC 60754-1
  • Gases corrosively to low IEC 60754-2
  • Certified by BASEC
Design:
  • Conductor material:  Stranded bare copper according to BS EN 60228 (previously BS 6360)
  • Conductor class:  Class 1 or 2
  • Outer sheath material:  LSZH (Low Smoke Zero Halogen)
  • Sheath colour:  See below
Core Identification:
  • Cable sizes 1.5mm² and 2.5mm²:  Brown, Black, Grey, Blue, Green/Yellow, Red, White, Orange and Violet.
  • Cable sizes 4.0mm² to 630mm²:  Brown, Black, Grey, Blue and Green/Yellow.
Cable specifications:
  • Working voltage Uo/U (Um):  450/750 Volts
  • Test voltage:  2500 Volts
  • Bending radius for 1.5mm² to 25mm²:  3 x overall diameter (x Ø)
  • Bending radius for 35mm² to 240mm²:  4 x overall diameter (x Ø)
  • Bending radius for 240mm² to 630mm²:  6 x overall diameter (x Ø)
  • Maximum operating temperature:  +70 °C
  • Installation temperature range:  -20 to +60 °C
  • Short-circuit maximum conductor temperature:  250 °C
  • Lead free:  Yes
Technical Characteristics:
ORDER
REFERENCE
NUMBER
NUMBER
OF
CORES
SIZE
OF
CORES
(mm²)
STRANDING
(Class 1 & 2)
CURRENT RATING APPROX.
OVERALL
DIAMETER
(mm)
APPROX.
CABLE
WEIGHT
KG/KM
SINGLE
PHASE
a.c. or d.c.
(AMP)
THREE
PHASE
a.c.
(AMP)
6491B1.5+ 1 1.5 7 x 0.53 17.5 15.5 3.0 20
6491B1.5●+ 1 1.5 1 x 1.38 17.5 15.5 3.0 20
6491B2.5+ 1 2.5 7 x 0.67 24 21 3.7 35
6491B2.5●+ 1 2.5 1 x 1.78 24 21 3.7 35
6491B4+ 1 4.0 7 x 0.85 32 28 4.2 50
6491B6+ 1 6.0 7 x 1.04 41 36 4.8 70
6491B10+ 1 10 7 x 1.35 57 50 6.0 110
6491B16+ 1 16 7 x 1.70 76 68 6.5 170
6491B25+ 1 25 7 x 2.14 101 89 8.5 280
6491B35+ 1 35 7 x 2.52 125 110 9.5 360
6491B50+ 1 50 19 x 1.78 151 134 11.0 480
6491B70+ 1 70 19 x 2.14 192 171 13.0 670
6491B95+ 1 95 19 x 2.52 232 207 15.0 950
6491B120+ 1 120 37 x 2.03 296 239 16.0 1200
6491B150+ 1 150 37 x 2.25 300 262 18.0 1500
6491B185+ 1 185 37 x 2.52 341 296 20.0 1800
6491B240+ 1 240 61 x 2.25 400 346 23.0 2500
6491B300+ 1 300 61 x 2.52 458 394 26.0 3000
6491B400+ 1 400 61 x 3.20 546 467 29.0 3750
6491B500+ 1 500 61 x 3.85 626 533 24.1 4950
6491B630+ 1 630 127 x 2.50 720 611 27.9 6300

pdf-logoClick to download PDF datasheet 6491B Cable

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