Telephone Cables

Atula Cable Industries telephone cables are available with various sizes and various numbers of pairs varying from 0.4-0.5 mm and no. of pairs starting from 1 pair to 100 pairs suitable for underground applications as well. Also,one of the leading manufacturer and supplier of telephone Jelly filled armoured cables which adds feathers to the pride of the nation.

Telephone pair and switchboard cables are made from electrolytic copper conductors (purity 99.97%) with uniform dimensions that are consistent over the entire length of the cable.

They are available in two variants:

  • 0.4 Mm Bare Copper Tapped With Thread
  • 0.5 Mm Tinned Copper Tapped With Thread

The features that distinguish Telephone & Switchboard Cables from others are high-temperature resistance, ability to withstand emergency overload, excellent signal condition, easy installation, excellent sheathing, etc.

Colors:
Parameter 0.5 mm 0.4 mm
DC Conductor Resistance 92.20 Ω/Km at 20°C max. 143.0 Ω/Km at 20°C max.
Mutual Capacitance 50 nF/km max.
Insulation Resistance in Air 10000 M-Ω/Km
Capacitance Unbalance – Pair to Pair 250 pF/100m max.
Capacitance Unbalance – Pair to Ground 330 pF/100m max.
Resistance Unbalance 5% max.
  • Multi-pair configuration
  • Twisted pair design
  • Noise reduction
  • Durable insulation
  • A nylon ripcord is provided for slitting the jacket without damaging the insulated cores
  • The outer sheath is FR PVC in grey colour
  • Cable Type: 0.4–0.5 mm
Size (mm) No. of Pairs Approx. Overall Diameter (mm)
0.4 2 3.9
0.4 3 4.3
0.4 4 4.7
0.4 5 5.2
0.4 10 6.5
0.4 20 9.2
0.5 2 4.2
0.5 3 4.7
0.5 4 5.1
0.5 5 5.7
0.5 10 7.0
0.5 20 10
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