Communication cables
Telephone wire TRP
Application
The wire is designed for stationary, hidden and open subscriber communication of a telephone distribution network with a rated voltage of up to 145 V DC, a frequency of 50 Hz or a voltage of 200 V DC.
Cable design
1. Conductor: copper core.
2. Jacket: PE.
Standards
ТУ У 31.3-05758730-033-2003
Main technical and mechanical characteristics
| Operating temperature range, °C: от -60 °C до +65 °C | ||
| Installation temperature range, °C: от -30 °C до +65 °C | ||
| Bending radius of at least 10 cable diameters | ||
| Minimum life service (indoor installation), years – 12 | ||
| Minimum life service (outdoor installation), years – 25 | ||
| Conductor Diameter, mm | 0,4 | 0,5 |
| Conductor Electrical resistance to D.C., Ohm / km, no more than | 148 | 94 |
| Electrical resistance to D.C. between conductors, MOhm / km, not less than | 500 | 500 |
| Разрывное усилие, Н, не менее | 48,0 | 73,5 |