Black Rated Voltage 10 Kv Overhead Insulated Cable

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Product Standard: GB/T 14049-2008

Usage:
10KV overhead cable is suitable for use in rated AC voltage U(A UmA ) 13d0(12)KV overhead transmitting circuit.

Properties for Use
a.A Rated voltage is 10KV
b.A Temperature for laying cable should be not less than 20
c.A For short circuit ( 5 s ) the max. cable temperature is : HDPE insulation 150A ; XLPE insulation 250
d.A Max. work temperature of cable conductor for a long period is :
A . Cable with stress structure: HDPE insulation 75; XLPE insulation 90;
Cable without stress structure has not been stipulated in GB for actual situation it should not exceed stipulated value a.
e. The time for cable single phase earthing breakdown is not bigger than 1 min. also the longest should not exceed 8h each time and an annual accumulation not exceeding 125 h.
f. Allowed cable bend radius should be not less than :
A . Single core cable 20(D+d)A 5% mm TR structure is 20 D mm ;
Multi-core cable 15(D+d) A 5% mm.