JAMAK®-ARM

Symmetrical Data Cable for Industrial Control Equipment

Application

  • These symmetrical data transmission cables are used in control and supervision center for industrial sites. The cables with armouring and PE outer sheath are suitable for direct buried installation.

Fire Rating

  • Oxygen Index LOI acc. to ASTM – D- 2863: no limit
  • IEC 60332-1

Water Penetration Rating

  • MIL – C- 24640A
Construction
Conductor Stranded tinned copper 7x 0.29 mm
Insulation PE (2Y)
Conductor identification a-conductor blue; b-conductor red
Stranding 2 conductors to pair
Stranding to core (0+4)
Pair shielding Laminated AL-foil + copper drain wire 0.5 mm²
Overall shielding Laminated AL-foil + copper drain wire 0.5 mm²
Inner sheath PVC (Y), grey
Armouring Steel tape, helically wounded
Outer sheath PE (2Y), black
Outer Diameter Nom. 13(4pair) – 34.5(48pair) mm
Weight Nom. 250 (4pair) – 1500(48pair) kg/km
Mechanical properties
Operating temperature – 30°C to + 70°C
Min. Installation temperature – 5°C
Electrical properties at 20°C
Loop resistance 81 Ω/km
Insulation resistance (at 500 V, 1 min.) 2 GΩ*km
Capacitance at 800 Hz 85 nF/km
Max. operating voltage 75 V
Relative velocity factor NVP 0.66
Impedance (at 10 MHz) 70 Ω +/- 10 %
Frequency Attenuation
[kHz] [dB/100 m]
9.6 0.3
19.2 0.5
64 0.7
100 0.9
200 1.6
1000 4.5