TELEPHONE CABLEWITH SOLID POLYETHYLENE INSULATION, IN POLYETHYLENE SHEATH
ТППэп3
ТППэп3
DESCRIPTION:
Local telephone cable for operation in local primary communication networks with a rated voltage of remote power supply up to 225 V and 145 VAC at a frequency of 50 Hz or voltage up to 315 V and 200 VDC, respectively.
REGULATORY DOCUMENTS: Technical Specifications (TU) BY 800003452.016-2016
Local telephone cable for operation in local primary communication networks with a rated voltage of remote power supply up to 225 V and 145 VAC at a frequency of 50 Hz or voltage up to 315 V and 200 VDC, respectively.
REGULATORY DOCUMENTS: Technical Specifications (TU) BY 800003452.016-2016
| Order |
1. Conductive copper core;
2. Core insulation – polyethylene;
3. Insulated cores are twisted into pairs, pairs are twisted into sub-units, then sub-units are twisted into a core;
4. Hydrophobic filler;
5. Core wrapping – polyethylene terephthalate film;
6. Screen – aluminium polyethylene tape;
7. Tinned wire under the screen;
8. Outer sheath – polyethylene.
2. Core insulation – polyethylene;
3. Insulated cores are twisted into pairs, pairs are twisted into sub-units, then sub-units are twisted into a core;
4. Hydrophobic filler;
5. Core wrapping – polyethylene terephthalate film;
6. Screen – aluminium polyethylene tape;
7. Tinned wire under the screen;
8. Outer sheath – polyethylene.
- Cable construction details
- Conductive core diameter – 0.40; 0.50;0.64, 0.70 mm
- Specifications
- Design version Without filling With filling TPV (ng, ng-LS)
- Operating temperature range is from -50 to 60 °С from -50 to 50 °С from -40 to 60 °С Increased air humidity 98%
- Service time – not less than 20 years 25 20 years
- Electrical specifications
- DC electrical resistance of the core per 1 km length and the temperature of 20 °С: 0.40 mm 0.50 mm 0.64 mm 0.70 139 ± Ohm 90 ± 6 Ohm 55 ± 3 Ohm 45 ± 3 Ohm
- Electrical insulation resistance of conductive cores, calculated per 1 km length and temperature above 20 °С: - for cables without filling - for cables with a filling 6500 MOhm 5000 MOhm
- Test AC voltage at a frequency of 50 Hz for 1 minute, applied: - between the cores of operating pairs - between the cores and the screen for cables up to 315 VDC for cables up to 200 VDC 1000 V 2000 V 500 V
- Operating capacity at a 1 km length at a temperature of 20 °С: - for cables without filling - for cables with a filling 45±5 nF 50±5 nF
Calculated values of weight and diameter of the cable type ТПВ, ТПВнг, ТПВнг-LS
Calculated values of the weight of the cable type
ТППэп-НДГ
ТППэп-НДГ
Design versions:
- Without hydrophobic filling (ТППэп), (ТППэпт), ТПВнг(А)LS
- With external strength member – steel wire (t)
- Sheath: PVC (ТПВ), PVC compound of low flammability (ТПВнг), PVC compound of low flammability (ТПВнг -LS), polyethylene of low flammability (ТППэп -NDG)
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