AL/XLP/PVC 20 3X 50+50 ST C #D

Description

Description

Standards

  • Product
    HD 620; IEC 60502-2
  • National
    DEH DMKLD-182

The 3-core power cable is consisted of 3 single core cables which are laid up together with the steel messenger in triplex formation

 

Applications 

for public power distribution networks 12/20KV. It is suitable for aerial installation.

 

Design

Each single core cable is consisted of Aluminium conductor, semiconductive conductor screen,  XLPE insulation, semiconductive insulation screen with grooves, aluminium tape for metallic screen with water protection and PVC outer sheath.

 

The messenger conductor is consisted of galvanized steel wires rope with PVC or XLPE sheath.

 

The single core cables are laid up together with the messenger conductor to form the triplex cable.

 

Core identification: by numbers 1, 2, 3 on the outer sheath of each single core cable

Characteristics

Characteristics

Construction characteristics

Construction characteristics

Conductor material
Aluminum
Conductor flexibility
Stranded class 2
Conductor shape
Circular
Material of the inner semi-conductor
XLPE-SC
Insulation
XLPE (chemical)
Material of the external semi-conductor
Strippable
Screen
Aluminium tape
Outer sheath
PVC
Colour
Black
Messenger
Galvanised stranded steel wire
Lead free
Yes

Dimensional characteristics

Dimensional characteristics

Conductor cross-section
50 mm²
Number of cores
3
Nominal outer diameter
30.0 mm
Approximate diameter of the bunched cable
70.0 mm
Approximate weight
2810 kg/km
Messenger cross-section
50 mm²

Electrical characteristics

Electrical characteristics

Rated Voltage Uo/U (Um)
12/20 kV
Max. DC resistance of the conductor at 20°C
0.641 Ohm/km
Permissible current rating in open air
182 A

Resources

Resources

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