Foam insulated radio frequency cables
RK 75-4.8-a60V (P)
Application
The cables are intended for inner installation in security alarm and surveillance systems, satellite television systems, for transmitting a radio frequency signal from a receiving antenna to a television, as switching microwave devices in the frequency range from 5 to 3000 MHz.
Cable design
1. Conductor: copper 1.12 mm
2. Insulation: FHDPE
3. Shield Material: aluminum polymer foil + tinned copper braid
4. Sheath:V-marked cables – PVC; P-marked cables - UV-stabilized PE
Installation and operation conditions
Temp Rating:
- Installation Temp Rating: -10 °C ... +60 °C;
- Operating Temp Range: -20 °C ... +60 °C.
Min Bend Radius: ≥ 10 cable diameters
Standards
Main technical and mechanical characteristics
| Electrical parameters at 20°C | Frequency, kHz | Value |
| Test voltage for 1 min, kV- between the inner and outer conductor | 0,05 | 2,0 |
| Electric resistance of internal conductor, Ohm / km, no more | D.C. | 17,8 |
| Impedance, ohm | from 5 000 to 3 000 000 | 75 ± 3 |
| Working capacity, pF / m | from 0,8 to 1,0 | 51,7 ± 6 |
| Attenuation coefficient, nom., DB / 100m | 200 000 1 000 000 |
8,7 19,6 |
Nomenclature and mass-dimensional characteristics
| Cable brand | Outside diameter, mm | Weight, kg/km |
| RK 75-4,8-а60V | 7,1 | 60,1 |
| RK 75-4,8-а60P | 7,1 | 50,6 |