Construction:
1,Sheath;2,Conductor;3,Insulation;4 Inner Sheath;5 Copper Wire shielding
Or 1,Sheath;2 Conductor;3,Insulation;4 Inner Sheath;5, Steel type
1,The D.C resistance of conductor shall comply with the GB/T3956-2008
2,The insulation performance of the cables shall be subject to the GB/T9330.2 AND GB/T9330.3 ,and shall be subjected to the provisions of the AC voltage 3.0Kv,test 5 minutes without breakdown.
l Using Conditions
1,The surroundings temperature shall not be less than 0 ℃.
2,The highest temperature of long term working for the PVC insulated cable conductor shall not exceed 70 ℃, and the maximum temperature for the XLPE insulated cable conductor shall not exceed 90 ℃.
3, The allowed Bending radius for the KVV,KVVR,KVV22,KVVP,KVVP2,KVVRP control cables as followings: non-armored cable, the bending radius should be not less than 6D of the cable’s diameter; armored or shielded cable, the bending radius shall not be less than 12D of the cable’s diameter; the flexible shield cable, the bending radius should be not less than 6D of the cable’s diameter.
4,The KYJV、KYJV22 non-armour control cables, the bending radius shall be less than 8D of the cable’s diameter; the armour or shield control cables, the bending radius shall not be less than 12D of the cable’s diameter.
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