BS 7889 Low Voltage XLPE Insulated and PVC sheathed MV Power Cable
The mechanical properties of the XLPE are superior to many other insulations, offering greater tensile strength, elongation and impact resistances. The addition of carbon black can be used to further enhance hot deformation and cut through resistance. The XLPE insulation will not melt or drip, even at the temperatures of soldering irons, and it has increased flow resistance and improved ageing characteristics.
Physical and Electrical Characteristics
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XLPE/PVC insulated electrical wire are covering series of wire products, and its working temperature isdifferent according to different insulation materials, mainly 70 and 90 degrees temperature, etc.
According to the conductor type, including solid conductor PVC/XL .PE insulated electrical wire,standed PVC/XL PE insulated wire, Flexible PVC/XLPE insulated wire with different colors.
According to its shape, including flat wire, round wire, etc. with different colors.
Accoding to its core number, including single core wire, multi-core wire, etc. with different colors.
The highest allowed operating temperature of conductor for long-term working is 90oC. In short-circuit(Max. Long-term is no more than 5 seconds). The highest temperature for conductor is no more than250.
D.C Resistance of the conductor complies with the stipulations of GB/T3956-1997.
The environment temperature should be no lower than 0 when lay. Otherwise it should be preheated.The cable is laid without horizontal drop limit. The Min. Bending radius of three core cable should be nosmaller than 12 times of cable outer diameter.
Partial Discharge Test: The discharge volume should be no more than 10pC under 1.73Uo for the cable.
RECOMMENDED ORDERING PARAMETERS
For prompt quotation / supplies please make sure your inquiries and your orders are securing the following data :
1 International or Special Standard. (Alternatively, the precise usage of the cable.)
2 Rated voltage.
3 Copper or Aluminium conductors.
4 Size of each conductor.
5 Insulation material : PVC XLPE or others.
6 Number and identification of conductors.
7 Other requirements.
9 Required delivery time.
10 Required validity.
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