Medium Voltage Power Cables NFC 33-226
Product Spotlights
Application
These power cables are the new generation of cables forpublic medium voltage distribution--HTA. Used for direct installation on the ground, water, outdoors, indoors and in cable ducts.
Description
The cable is made of 1 or 3 bunched cores.
The longitudinal seal is provided by a swelling powder.
Construction● Conductor :Aluminum or copper, class 2,circular compacted conductors
● Conductor screen: Non-metallic,semi-conducting compound
● Insulation:Cross-linked polyethylene(XLPE)
● Insulation screen:Non-metallic,semi-conducting compound,extruded strippable grooved elastomer
● Longitudinal water tightness: Swelling powder
● Metallic screen: Aluminium plastic tape (AL/PET)
● Outer sheath: Polyethylene (PE)
Specification
IEC 60228 Conductors of insulate cables
NFC 33-226 Câbles isolés et leurs accessoires pour réseaux d'énergie Câbles de tensions assignées comprises entre 6/10(12) kV et 18/30(36) kV, isolés au polyéthylène réticulé à gradient fixé, pour réseaux de distribution
IEC 60502-2 Power cables with extruded insulation and their accessories for rated voltages from 1kV(Um=1.2kV) up to 30kV(Um=36kV) - Part 2:Cables for rated voltages of 6kV(Um=7.2kV) and 30 kV(Um=36kV)
Chaircteritics
● Maximum conductor temperature in normal operation:90˚C.
● Short circuit temperature ( 5 seconds maximum duration ): Shall not exceed 250˚C.
● Ambient installation temperature, range: -10 ~ 50 ˚C.
● Weather resistance: AN3/AF2
● Water proof: AD8
● Mechanical resistance to impacts: AG4
● Minimum bending radius:
| Items | Single-core Cables | Triplex Cables |
| During installation | 20D | 15D |
| After installation | 15D | 10D |
Note:D is overall diameter of cable.
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