Standard: SRPS N.C4.015
CONSTRUCTION:
Conductor: soft annealed copper wire diameter of
0,8 mm and 1,4 mm, class 1 (EN 60228)
Insulation: solid PE, type 2YI1 acc. to VDE 0207
(EN 50290-2-23)
COLOUR CODE:
SIGNAL CABLES:
The starting signal core is blue color and all the others are gray color.
TELECOMMINUCATION CABLES:
a-core: the starting of the in each layer – white color; all the others – gray color;
b-core: all the pairs in cable – blue color
Telecommunication cables with group stranding:
a-core: the starting of the in each layer – white color; all the others – gray color.
b-core: all the pairs in cable – blue color
Twisting elements: cores (signal cable) and pairs (telecommunication cable)
Cable core: group or concentric stranded
Core wrapping: non-hygroscopic dialectric material
Inner sheath: PVC type YM2 acc. to VDE 0207
Mechanical protection: Braid of galvanized steel flat wires (the max. gap between the wires in the braid is
3 mm).
Outer sheath: PVC type YM1 to VDE 0207
The outer sheath should be pressed into steel braid.
Sheath colour: gray (telecommunication and signal cables) or blue (telecommunication for self-safety devices).
The outer and inner sheath are made of PE type 2YM1 to VDE 0207 with cables for outdoor use.
Flame retardant:
VDE 0482-332-1-2/IEC 60332-1
APPLICATION:
Cables are used in mines as mining telecommunication, signal and signal telecommunication cable. Self-supporting cables for connecting the main distributor with the intermediate and with the end devices.
The permissible temperature range:
– during installation: from -5°C to +50°C
– during operation: from -15°C to +70°C
Min. permissible bending radius:
– during operation min. 20D
(D – outer diameter of cable)
