1. Product name: 10k V overhead insulated cable with rated voltage
2. Implementation standard: GB / T 14049-2008
Model 3 specifications: JKYJ, JKLYJ, JKLHYJ, JKY, JKLY, JKLHY
Adopt conductor: copper, aluminum, aluminum alloy; core number: 1 core; specification: 10mm2 to 300mm2;
4. Main usage: overhead fixed laying
5. Features
5.1 Rated voltage is 10k V;
5.2 The cable laying temperature shall not be lower than-20℃
5.3 Maximum temperature of the cable during short circuit (maximum duration not exceeding 5s):
Crosslinked polyethylene insulation- - -250℃ high-density polyethylene insulation- - -150℃
5.4 Maximum long-term allowable working temperature of the cable conductor:
Crosslinked polyethylene insulation- - -90℃ high-density polyethylene insulation- - -75℃
5.5 The allowable bending radius of the cable shall not be less than 20 times (cable outer diameter + conductor diameter)
6. Storage and transportation:
6.1 Cables shall not be stored in the open air, and the cable trays shall not be placed flat;
6.2 It is strictly prohibited to throw the cable tray equipped with the cable from a high place, and it is strictly prohibited to mechanically damage the cable;
6.3 Hoisting the packaging parts, it is strictly prohibited to lift multiple cables at the same time;
6.4 During cable transportation, the cable tray must be stabilized and fixed with appropriate methods to prevent mutual collision or overturning.
7 Performance and parameters
Nomnominal loading surface / mm2 | The least conductor | conductor diameter | Minimum thickness of the conductor shield layer | Nominal thickness of insulation at / mm | Nominal thickness of insulation shield layer / mm | Conductor resistance at 20℃ | The pulling force is not less than / N | |||||||
Thin insulation | Ordinary insulation | Hard copper core | Soft copper core | Aluminum core | Aluminum alloy core | Hard copper core | Aluminum core | Aluminum alloy core | ||||||
10 | 6 | 3.8 | 0.5 | - | 3.4 | - | - | 1.830 | 3.080 | 3.574 | - | - | - | |
A The overhead cable of light and thin insulation structure has no internal semi-conductive shield layer; | ||||||||||||||
Conductors and technical parameters of overhead insulated cables