Xlpe insulated PVC sheathed aluminum power cable

1.executive standard

GB/T 12706.1-2020

2.product use

The product is suitable for power supply, transmission and distribution lines with rated AC voltage U0/U 26/35kV and below. 

3.model name

4.features  

A) during normal operation of cable, the maximum conductor temperature shall be 70℃ for PVC insulation and 90℃ for XLPE insulation.   

B) Maximum temperature of conductor during short circuit (maximum duration not exceeding 5 seconds) :   

PVC insulation -- 160℃ for conductor cross section ≤300mm2, 140℃ for conductor cross section > 300mm2;  Crosslinked PVC insulation at 250℃.   

C) When laying cables, the ambient temperature shall not be less than 0℃, and the minimum allowable bending radius is as follows:   

Single core cable: unarmored 20D, armored 15D   

Multi-core cable: 15D for unarmored, 12D for armored   

Where: D- actual outer diameter of cable.   

D) Cable breaking force:   

Aluminum core cable: 40×S (N)   

Copper core cable: 70×S (N)   

Note: S is the total cross-sectional area of the conductor  

5.Product structure size and reference data