NX300 3x50 mm2 BS 7846 - F2

Description

Description

Standards

  • Product
    BS 7846
  • Test
    BS 6387

Application

Rafineries, mines, hotels, schools, tunnels, high constructions, hospitals, power plants , data processing centers, business centers where there is a concentration of sensitive to fire

Construction

  1. Conductor: Copper
  2. Fire barrier: Mica tape
  3. Insulation: XLPE
  4. Bedding: LSZH
  5. Outer sheath: LSZH

 

Characteristics

Characteristics

Construction characteristics

Construction characteristics

Conductor material
Copper
Outer sheath
HFFR (Halogen Free Flame Retardant)
Insulation
XLPE + Mica tape
Sheath colour
Black
Conductor flexibility
Stranded class 2
Conductor shape
Sector-shaped stranded (SM)
Core identification
Brown, black, grey
Halogen free
IEC 60754-1
Type of conductor
Circular, stranded, class 2

Dimensional characteristics

Dimensional characteristics

Number of cores
3
Approximate weight
1800 kg/km
Average insulation thickness
- mm
Conductor cross-section
50 mm²
Conductor diameter
- mm
Nominal outer diameter
- mm
Nominal outer sheath thickness
- mm

Electrical characteristics

Electrical characteristics

Rated Voltage Uo/U (Um)
0,6/1 kV
Max. DC resistance of the conductor at 20°C
0.387 Ohm/km
Permissible current rating in open air
192 A
Permissible current rating when buried
153 A

Usage characteristics

Usage characteristics

Fire resistant
BS 6387 CWZ
Smoke density
IEC 61034
Gases corrosivity
IEC 60754-2
Flame retardant
IEC 60332-3-24
Max. conductor temperature in service
90 °C
Operating temperature, range
-20 ... 60 °C
Short-circuit max. conductor temperature
250 °C

Resources

Resources

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