35kV or LowerXLPE Insulation Flame-retardant Power Cable

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Product Description:

1.      Application

It is used to transmit and distribute power in power transmission and distribution system of 6~35kV. It is generally applied to the fields including power, construction, mines, metallurgy, petrochemical industry and communications. And it is used as replacement of oil-immersed paper insulated power cable and partially as replacement of PVC insulated power cable.

2.      Type and Specification


6/6 kV、6/10 kV、8.7/10 kV、8.7/15 kV、21/35 kV、26/35 kV






1 Core: 25~1000;

3 Core: 25~500


GB/T 19666-2005、GB/T 12706-2008

3.      Using features

①      Rated voltage Uo/U includes0.6/1kV, 1.8/3kV, 3.6/6kV, 6/6kV, 6/10kV, 8.7/10kV, 12/20kV, 18/30kV, 21/35kV,26/35kV. 

②      The highest allowed operating temperature of conductor for long-term working is 90℃. In short-circuit (Max. long-term is no more than 250℃) 

③      D.C. resistance of the conductor complies with the stipulations of GB/T 3956. 

④      Installation ambient temperature should be no lower than 0℃. Otherwise it should be preheated. The Min. bending radius should be no smaller than 15 times of cable outer diameter. 

⑤      The cable is laid without horizontal drop limit. 

⑥      Working Frequency Voltage Test: 
   For cable with Uo of 3.6kV or lower: 2.5Uo+2kV/5min without puncture; 
   For cable with Uo of 3.6kV~18kV or lower: 3.5Uo/5min without puncture; 
   For cable with Uo of 21kV and 26kV: 2.5Uo/30min or 3.5Uo/5min without puncture.

⑦      Partial Discharge Test: The discharge volume should be no more than 10Pc under1.73Uo for the cable. There shall be no detectable discharge under the declared sensitivity test. 

⑧      Flame-retardant Character: 

The flame-retardant characteristics comply with GB/T 1996-2005. 


4.      Picture of structure

1、Conductor  2、Conductor shield   3、Insulation   4、Insulation shield   5、Copper tape shield   6、Filler  7、Tape    8、Inner sheath   9、Armor   10、Outer sheath

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