Copper conductor PVC insulated control cable introduction .

The KVV underground flexible electrical control cable size used are suitable for the wiring of electrical controlling equipments and instrument,monitoring and controlling return circuit,electrical protection and measurement in power distribution unit under the circumstance that the rated voltage is up to 450/750V AC.

 Standard

 The KVV underground flexible electrical control cable size used can be produced according to the standard GB9330-1988,IEC,DIN,BS,and the factory can also manufacture the cables in accordance with other standards

 Service Conditions

(1) The long-time working temperature of conductor of PVC insulated cable is 70oC.

The long-time working temperature of conductor of XLPE insulated cable is 90oC.

 (2)  The temperature for laying the cables cannot be lower than 0oC.Permissible bending radius(r):unarmoured cable:r≥6D;(D: outer diameter of the cable);armoured or copper-tape screened cable:r≥12D;shielded flexible cable:r≥6D