4x 300sq mm Cu/PVC/PVC Outdoor Power Cable Manufacturer - Jiapu Cable

4x 300sq mm Cu/PVC/PVC Outdoor Power Cable Manufacturer

Date2018-11-19

Application:

The product is suitable for power distribution lines or fixed installation with rated power-frequency voltage up to and including 0.6/1kV.


Operating Characteristics:

--Rated power-frequency voltage Uo/U: 0.6/1kV

--Max. permissible continuous operating temperature of conductor: 70℃.

--Max. temperature of conductor during short-circuit(5s maximum duration) shall not exceed: 

  Cross-section of conductor ≤300mm2 :160℃;

  Cross-section of conductor >300mm2 :140℃.

--The ambient temperature under installation should not below 0℃.

--The bending radius of a single-core cable: not less than 20 times of cable’s OD 

--The bending radius of a multi-core cable: not less than 15 times of cable’s.OD

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Installation operating condition of cable:

*In Air

--The single-core cables are paralleled laid , the distance between the cable center is 2 times diameter of the cable for cross-section of conductor≤185 mm2 and 90mm for cross-section of conductor ≥240 mm2

--Ambient air temperature: 40℃

--Max. permissible continuous operating temperature of conductor: 70℃

--Correction factor of current rating under different ambient temperature:

Ambient air temperature 20℃          25℃    30℃35℃40℃45℃
Correction factor1.29     1.221.151.081.00.91

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*Direct in the ground

--When the single-core cables are layed separately, the distance between the cable’s center is 2 times diameter of the cable.

--Soil temperature: 25℃

--Max. continuous operating temperature of conductor: 70℃.

--Soil thermal resistivity: 1.0k.m/w

--Depth of laying: 0.7m

--Correction factor of current rating under different soil temperature:


           Soil temperature

20℃

25℃

30℃

35℃

40℃

Correction factor

1.05

1.0

0.94

0.88

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Henan Jiapu Cable is professional wires and cables manufacturer in China,we can supply Cu/Al PVC insulation power cable,flexible wire,coaxial cable,aerial bundle cable(ABC), AAC cable, ACSR cable, AAAC cable, concentric cables,armoured cable and unarmoured cable. If you want to get more favorable prices, please contact us