1. These cables are suitable for installation in power distribution lines for rated voltage up to 10kV, The mechanical and electrical characteristics of cables are in accordance with the Chinese national standard GB/T14049 The aerial cable for rated voltages 10kV andGB12527 The aerial cables for rated voltages up to 1kV. The cable is made as pre national standard GB/T1179 Round wire concentric lay overhead electrical stranded conductors. Both the electric performance of cable and mechanical and physical performance of insulation meet national standard GB/T14049 and GB/T12527.
2. Type, description, application
Type
Description
Primary applications
Copper conductor
Aluminum conductor
JKV
JKLV, JKLHV
PVC insulated aerial cables
For aerial power transmission application
JKY
JKLY, JKLHY
PE insulated aerial cables
JKYJ
JKLYJ, JKLHYJ
XLPE insulated aerial cables
JKTRYJ
Soft copper core XLPE insulated aerial cable
For down-load of transformer
JKLY/Q
XLPE insulated light cable
For aerial power transmission application
JKLGYJ JKLGYJ/Q
Steel reinforced aluminum wire with XLPE insulated/light aerial cable
For aerial power transmission application, able to bear moderate pulling force.
3. Operational performances
Rated voltage U0/U
Operating temperature of different insulations(° C0)
Temperature while installing
Accepted bending radius(mm)
Long-time is allow
Short-circuit(within 5s)
PVC. PE
XLPE
PVC
PE
XLPE
D no more than 25
D no less than 25
0.6/1kV
70
90
160
130
250
≥ 0° C
≥ 4D
≥ 6D
NOTE D in above table refers to the actual outer diameter of cables.
4. Production range
Type
Number of cores
Nominal cross section(mm2)
Standards
JKV, JKLV, JKLHV, JKY, JKLY,
JKLHY, JKYJ, JKLYJ, JKLHYJ
1
16~400
IEC
2, 4
10~400
JKLV, JKLY, JKLYJ
3+K
10~400
NOTE K is a neutral conductor with loading. According to the electricity distribution engineering requirements, any one of cross sections could be chosen for complying with the active conductors.



