Ground telecommunication cables

Terrestrial telecommunication cables have a strong cover to protect the cable against rain and sunlight. These cables are usually black in color and due to the resistant coating, they have little bending ability and are more fragile.

 

Technical Specifications:

Telecommunication cable according to IEC 60227-5 and ISIRI 607-5 standards

Nominal voltage: U° / U = 500/300 V

Temperature requirements and thermal range:
The maximum temperature allowed in the conductor in normal operation: 70oC

Maximum permissible temperature in the conductor in short circuit operation: 150oC

At the cable level:
In fixed installation mode: -40oC to +70oC
In bending mode: -5oC to -50oC

Voltage test: 000V ac 50Hz 5min Iran telecommunication telephone cable according to standard 60708 IEC, TCI

Temperature requirements and allowed heat:
-05°C to +50°C when bent
-30°C to +70°C in fixed installation mode

Nominal voltage: 200 V maximum

Insulation resistance:
At least 50Km*Gohm

Mutual capacitor:
55 1000Hz at Km/5

 

Structure:

Tin-plated or tin-free annealed copper conductor with a diameter of 0.6 mm

PE insulation strands are paired with suitable warp length and different from each other.

Electrostatic protection:
Polyester tape + ground wire + aluminum foil • Covering is made of PE material and is black in color.

 

Application:

They are used outside the building for installation in local telephone networks and underground, inside a pipe or channel. Installation of these cables in environments where there is a possibility of fire is not allowed without preventive protective measures.