74C068 SH C 500V 12x1 Cu2 K3 EG NA

Description

Description

Standards

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

Applications

These control cables alllow connection to a variety of industrial equipement from control room. Many of them require anti-inductive screen (EMI).

Design

Conductor:
- Stranded (class 2) or flexible (class 5) plain copper
Insulation:
- Zero halogen (SH), cross linked
Assembling:
- Polyester tape (optional)
Overall screen:
- Copper wire braid (CWB) R ≥ 80%
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 EG 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
Screen
Copper Braid
Outer sheath
LSZH
Halogen free
IEC 60754-1; IEC 60754-2

Dimensional characteristics

Dimensional characteristics

Conductor cross-section
1 mm²
Number of cores
12
Conductor diameter
1.3 mm
Diameter over insulation
2.58 mm
Diameter over screen
11.4 mm
Minimum outer diameter
14.3 mm
Maximum outer diameter
16.6 mm
Approximate weight
403 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
3.4 MJ/m

Usage characteristics

Usage characteristics

Operating temperature, range
-20 ... 60 °C
Smoke density
EN/IEC 61034-2
Fire retardant
NF C 32070 C1; IEC 60332-3-23
Electro magnetic interference resistance
Yes
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

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