JQTQ
APPLICATION
Cables JQTQ are designated for indoor, consistent placing of inputs of signalling, measuring, controlling and automation systems.
Cables are produced according to STN 34 7841.
MARKING EXAMPLE
JQTQ 5Cx0,8
Cable with five Cu conductors with diameter 0,8 mm, with colour marking of conductors type C
CONSTRUCTION
1 Solid copper core with diameter 0,8 mm.
2 Insulation is out of softened PVC. Number of conductors is 2 to 24. Conductors are twisted together. Nominal thickness of insulation is stated in tab. 2. Colour marking is stated in tab. 1.
3 Core is wrapped by PET foil belt insulation.
4 Screening out of Al-PET foil with CuSn wires.
5 Grey or black colour PVC jacket.
Tab. 1 Colour marking of conductors according to STN 33 0165 (STN IEC 60 446)
| Number of cores | 2 | 3 | 4 | 5 | multicore | |||||||||||
|
Version type
|
A | B | D | A | B | C | D | B | C | D | C | D | nC | nD | cores | |
| Colour of cores | b | gy | bl | b | gy | gy | bl | gy | gy | bl | gy | bl | bl | br | outer | count |
| br | b | b | br | b | bl | b | br | b | br | b | b | br | br | other | ||
| b | br | b | br | b | bl | b | bl | b | gy | bl | directional | |||||
| b | br | b | br | b | b | b | other | |||||||||
| b | br | |||||||||||||||
(b - black, br - brown, bl - blue, gy - green-yellow)
Tab. 2 Technical properties
| Nominal voltage | [V] | 750 |
| Test voltage | [kV] | 1 |
| Allowable operating temperature | [°C] | -50 to + 90 |
| Max. effective resistance of conductor by 20 °C | [Ω/km] | 36 |
| Min. insulation resistance of core by 20 °C | [MΩ.km] | 400 |
|
Number of elements |
Nominal insulation thickness |
Nominal jacket thickness |
Outer diameter* |
Weight* |
| [mm] | [mm] | [mm] | [kg/km] | |
| 2 | 0,7 | 1,2 | 7,0 | 54 |
| 3 | 0,7 | 1,2 | 7,4 | 67 |
| 4 | 0,7 | 1,2 | 8,2 | 80 |
| 5 | 0,7 | 1,2 | 9,2 | 96 |
| 7 | 0,7 | 1,2 | 9,4 | 116 |
| 10 | 0,7 | 1,3 | 11,1 | 158 |
| 12 | 0,7 | 1,3 | 11,8 | 181 |
| 14 | 0,7 | 1,3 | 12,9 | 207 |
| 16 | 0,7 | 1,3 | 13,4 | 230 |
| 19 | 0,7 | 1,3 | 14,1 | 263 |
| 24 | 0,7 | 1,4 | 16,5 | 332 |
* Informative values
PACKING, DELIVERING AND STORAGE
Cables of length 100 - 300 m are delivered in coils, eventually in drums in lengths defined by customer.
Every delivered size should have a tag with these data:
- producer`s mark
- cable identification
- cable length in meters
- production date
- stamp of quality control
Cables can be stored in open-air area or in warehouses. They cannot be exposed to thermal radiation and they cannot be stored together with flammable liquids or solvents or with products containing them. It is safe to manipulate with cables at temperature range -10 °C to +50 °C.
