RK-50-7-11 Radio frequency coaxial cable Ø10 mm, drum 500 m

Structurally cable RK-50-7-11 consists of:

• stranded copper central conductor with a diameter of 2,28 mm (7x0,76 mm)
• dielectric made of solid polyethylene
• the outer shielding conductor is braided from copper cores with 90% filling
• outer protective shell made of polyethylene (PE), resistant to ultraviolet light and the influence of external factors, with a diameter of 10,3 mm.

Electrical characteristics of the RK-50-7-11 cable

Wave resistance: 50 ±2 ohms
Linear (working) capacitance: 101,3 ±5 pF/m
Relative speed: 66%
Shortening factor: 1,515
Test voltage for the breakdown of the protective shell: 4,0 kV
Electrical resistance of the inner conductor: 6 Ohm/km
Dielectric breakdown test voltage: 10,0 kV, 1 minute.

Mechanical characteristics of the RK-50-7-11 cable

Curb weight: 120 kg/km
Installation temperature range: -10 °C … +60 °C
Operating temperature range: -50 °C … +60 °C
Bending radius: ≥ 10 cable diameters.

Attenuation coefficient, nominal, dB/100m for cable RK-50-7-11

Compatibility and analogues

Coaxial cable RK-50-7-11 in terms of its size, it is similar to a cable RG-213.