Product Name: XLPE Insulated power Cable for Rated Voltage 0.6/1kV

Standard :

Chinese standard GB/T12706.1-2002, equivalent to IEC60502.

Application:

This product is suitable for rated AC voltage (U0/U) 0.6/1kV system transmitting and distributing circuit.

Product Characteristics:

It is far better than all property targets of PVC insulated power cable and has overcome the short comings of physical and chemical cross-linkage, and completely reaches or surpassed GB and IEC technical property value.

The allowable max. cable conductor work temperature is 90℃; urgent excess work temperature is 130℃ during cutting-out (5S), max. conductor temperature is 250℃.

The environmental temperature for laying cable should be not less than 0℃. If laying under 0℃, the cable should be preheated.

The cable bending radius for single core should be not less than 12 times of overall cable diameter; for multi-core cable, not less than 10 times of overall cable diameter.

Description and Application:

Technical Data：

Current Carrying Capacity：

Note: The screen-copper-tape and steel wire (including all copper wire for magnetism separation) of single-core steel wire armored power cable for AC system must be connected to earth well and effectively. 
The current carrying capacity is calculated by formulas of IEC, it is advised in the new edition of GB/T12706 that the current carrying capacity of steel wire armored power cable with special structure is lower than that in IEC standard, so the cross-section should be enlarged appropriately.

Installation and Operation Condition:

In the air
The distance between cable centers of single-core cables laid in parallel: cross sectional area of conductor ≤ 185mm²:2 times of the cable diameter; cross-sectional area of conductor ≥240 mm²:90mm.
Circumstance air temperature: 30℃.
Max. continuous operating temperature of conductor: 90℃.

Current carrying rating factors for different circumstance air temperature:

Direct in the ground 
The single-core cables are installed separately, the distance between the cable center is 2 times of the cable diameter.
Soil temperature: 25℃.
Max. continuous operating temperature of conductor: 90℃.
Thermal resistivity of soil: 1.0℃.m/W.
Depth of Direct-Buried: 0.7m.

Current carrying rating factors for different soil temperature: