74C068 SH C 500V 3x1 Cu2 K3 SE NA

Description

Description

Standards

  • Product
    IEC 60228
  • Test
    IEC 60332-3-23; IEC 60754-1; IEC 60754-2; IEC 61034-2; NF C32-070/C1; NF C32-070/C1

Applications

These control cables allow connection to a variety of industrial equipement from control room.

Design

Conductor:
- Stranded (class 2) or flexible (class 5) plain copper
Insulation:
- Zero halogen (SH), cross-linked
Assembling:
- Polyester tape (optional)
Outer sheath:
- Low smoke, zero halogen (LSZH)
- Colour: Grey

Core identification

Black cores printed with white numbers
Optional: with Y/G core

Marking

NEXANS 279  Nber of cores & cross-section Cu CST 74 C 068 K3 SH 0.3/0.5(0.6) kV YYYY  Manufacturing number  + metric marking
 

Characteristics

Characteristics

Construction characteristics

Construction characteristics

Conductor material
Plain copper
Type of conductor
Stranded, class 2
Insulation
Halogen-free
Outer sheath
LSZH
Halogen free
-

Dimensional characteristics

Dimensional characteristics

Conductor cross-section
1 mm²
Number of cores
3
Conductor diameter
1.3 mm
Diameter over insulation
2.5 mm
Minimum outer diameter
7.2 mm
Maximum outer diameter
8.3 mm
Approximate weight
95 kg/km

Electrical characteristics

Electrical characteristics

Max. DC resistance of the conductor at 20°C
18.1 Ohm/km
Maximum DC resistance of the conductor at 90°C
23.000 Ohm/km
Reactance at 50 Hz
0.1 Ohm/km
Short Circuit Current 0,3 s Max
0.26 kA
Short Circuit Current 1 s Max
0.14 kA
Impedance at 50 Hz
18.1 Ohm
Voltage Drop
36.9 V/A.km
Calorific Power
0.9 MJ/m
Rated Voltage Uo/U (Um)
0.3/0.5(0.6)kV

Usage characteristics

Usage characteristics

Operating temperature, range
-20 ... 60 °C
Smoke density
IEC 61034-2
Fire retardant
NF C 32070 C1; IEC 60332-3-24 (cat.B)
U.V resistance
Yes
Life cycle 60years
Yes
Max. conductor temperature in service
90 °C
Nuclear Classification
Class 1 E Non LOCA/K3

Resources

Resources

Documentation

xlsx — 0 B

Selling & delivery Information

Minimum bending radius:

10 x outer diameter
To be doubled during laying operations

Marking

NEXANS 279  Nber of cores & cross-section Cu CST 74 C 068 K3 SH 0.3/0.5(0.6) kV YYYY  Manufacturing number  + metric marking

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