50 sq mm XLPE insulated armored cable

  

Standard:National Standard GB/T12706-2008,IEC60502

Rated Voltage: U₀/U: 3.6/6kV~26/35kV

 

Construction :

Conductor	Compact Stranded Copper Conductor, Class 2 as per IEC 60228
	Circular solid Copper Conductor, Class 1 as per IEC 60228
	Flexible Stranded Copper Conductor, Class 5 as per IEC 60228
Conductor Screen	Semi-conductor (MV only)
Insulation	XLPE(Cross-linked polyethylene)
Insulation Screen	Semi-conductor (MV only)
Separate Screen	Copper Tape (MV must, LV optional)
Filler	PP Yarn, or Paper
Wrapping Tape	PP
Inner Covering	Extruded PVC (MV only)
Armour	Steel Wire, or Steel Tape, or Aluminium Tape optional
Overall Sheath	PVC or PE

Application:

Suitable for use in power distribution lines or fixed installation with rated voltage between 3.6/6kV~26/35kV

 

Operating Characteristics:

Max.permission conductor continous operating temperature of conductor;90 °C

Max.short-circuit temperature of conductor shall not exceed 250 °C (5s maximum duration)

The ambient temperature under installation of cable should not below 0 °C

The  bending radius of a single-core cable should not less than 20 times of outer diameter of the cable

The  bending radius of a three-core cable should not less than 15 times of outer diameter of the cable

Operating condition when cable laying

Max.permission continous operating temperature of conductor:90 °C

Ambient air temperature:40 °C

Soil temperature:20 °C

Thermal resistivity of soil:1.0V.m/w

Depth of laying :0.8m

Only consider a loop

Single-core cable is horizontal laid, adjacent space is equivalent to the diameter of the cable