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Communication cables, telephone and station

Telephone cable TPPep

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Application

The cable is designed for operation in local primary communication networks and communication lines with a nominal voltage of remote power supply up to 145 V AC at a frequency of 50 Hz or voltage up to 200 V DC. Laying in telephone sewers, in collectors, mines, along the walls of buildings and suspension on overhead communication lines.

Typical design

 
Cable structure

1. Conducting vein - a copper soft wire of Ø 0,40; 0.50; 0.60; 0.80 or 0.90 mm.

2. Core insulation - polyethylene (PE), continuous.
Insulated cores, sharply different in color, are twisted into a four. In each four, two veins located diagonally form a working pair.

3. Elementary beam - formed of 5 fours. All fours in an elementary bunch have an individual color.

4. The core of the cable consists of elementary 5 four-way bundles (in cables with the number of fours up to 50 inclusive) or of the main 25 or 50 four-way bundles (in cables with the number of fours over 50). The fastening winding of the bundles and core is a synthetic thread or ribbon of individual color for each bundle.

5. Belt insulation - synthetic tape (PVC, PET-E or PE), applied longitudinally or helically.

6. Screen - aluminum-polyethylene tape, applied longitudinally or helically. A tinned copper wire Ø 0.4 mm is longitudinally laid under the screen.

7. Shell - light stabilized PE.

Standards / TU

TU U 05758730-040-2006
IEC 60708-1
IEC 60189-1

Execution options

 

Main technical and operational characteristics

 

Operating temperature range: -50 ° C to +60 ° C          
Temperature range of laying and installation: -15 ° C to +60 ° C          
Bending radius of at least 10 cable diameters          
Minimum service life - 20 years          
Diameter of conductive conductors, mm, nom. 0.40 0.50 0.60 0.80 0.90
Electrical resistance of a conductive vein to a direct current, Ohm / km, no more 148 96 65 36.6 28,4
Working capacity at a frequency from 0.8 to 1.0 kHz, nF / km, not more than fifty fifty fifty fifty fifty
Electrical insulation resistance, MΩ • km, not less 5000 5000 5000 5000 5000
Capacitive coupling coefficient k1, calculated for 300 m of length, pF, not more than 600 600 600 600 600
Capacitive coupling coefficients k9-k12, recalculated for 300 m of length, pF, no more 300 300 300 300 300

 

Estimated outer diameter of the cable, mm (informative)

 

The number of fours 0.40 mm 0.50 mm 0.60 mm 0.80 mm 0.90 mm
5 7.6 8.5      
10 9.2 10.3      
fifteen 10.9 12,4      
20 12,2 14.2      
25 13.7 15.6      
fifty 17.9 20.9      
75 21.5 25.6      
100 25.0 28.8      
150 30,0 35,2      
200 33.9 39.7      
250 37.8 43.7      
300 40.9 47.3      

 

Estimated weight of the cable, kg / km (informative)

 

The number of fours 0.40 mm 0.50 mm 0.60 mm 0.80 mm 0.90 mm
5 63 81 107 182 221
10 100 137 185 320 391
fifteen 139 192 273 473 584
20 176 252 347 606 788
25 227 316 436 799 988
fifty 408 590 855 1503 1890
75 593 891 1254 2231 2791
100 790 1143 1662 2895 3602
150 1207 1770 2393 4196 -
200 1554 2284 3102 5548 -
250 1937 2800 3828 6851 -
300 2277 3312 4525 8099 -