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Tunneling Cables

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(N)3GHSSYCY

Application

These cables are used for the connection of mobile operating equipments, in mines and underground excavations with hazardous environments, in stationary operation, e.g.high-voltage transformers in mining and tunneling.

Certificates
Technical Information

Conductors Flexible electrolytic copper wire acc. to DIN VDE 0295 – Class 5
Insulation Main Cores 3GI3 type EPR compound
Pilot Control Cores 3GI3 type EPR compound
Protective Conductor Made of plain copper wires or copper wire braiding laid-up concentrically around each main core
Electrical Field Control Extruded inner and outer rubber semi conductive layer For 3,6/6
Core Identification Main Cores Natural coloring, design acc. to DIN VDE 0250 Part.1
Pilot Cores Black colored and number coded
Lay Up Three main conductors laid-up with three pilot control cores in the outer interstice Protective cores are concentrically wrapped over insulation of power cores
Inner Sheath YM5 type PVC Compound
Monitoring Conductor Semi conductive tape + overall concentric lay of copper wires and syntetic tape over wires
Inner Sheath Armour PVC compound type DMV6 acc. to DIN VDE 0276-603 Galvanized steel wire braiding, coverage minimum 75 % ST2 Type to IEC 60502
Outer Sheath PVC compound type DMV6 acc. to DIN VDE 0276-603
Colour : Red or Black

Rated Voltage : 3,6/6 kV 6/10 kV 8,7/15 kV 12/20 kV 18/30 kV
AC Test Voltage : 11 kV 17 kV 24 kV 29 kV 43 kV
Max. Permissible Operating Voltage AC : 4,2/7,2 kV 6,9/12 kV 10,4/18 kV 13,9/24 kV 20,8/36 kV
Max. Permissible Operating Voltage DC : 5,4/10,8 kV 9/18 kV 13,5/27 kV 18/36 kV 27/54 kV
Min. Bending Radius Current Carrying Capacity : Acc. to DIN VDE 0298 part 3
Working Temperature : According to DIN VDE 0298, Part 4
Fixed : -40ºC … +80ºC
Mobile : +5ºC … +80ºC
Max. Tensile Load of cable : 20 N/mmÇ
Max. Torsion : 25º/m
Travel Speed : max. 30 m/min.
Minimum distance for change of direction : 20 X D

Cross Section (mm2) Overall Diameter Mln-Max (mm) Conductor Resistance At 20 °C (Ω/km) Approxlmate welght (kg/km)
3,6/6 kV
3×25 + 3×16/3E + 3×2,5st + .L 47.0 – 51.0 0.780 3600
3×70 + 3×35/3E + 3×2,5st + .L 56.1 – 61.2 0.272 5900
3×95 + 3X50/3E + 3×2,5st + .L 60.3 – 66.2 0.206 5900
3×120 + 3×70/3E + 3×2,5st + .L 63.8 – 70.2 0.161 8620
3×150 + 3×70/3E + 3×2,5st + .L 66.0 – 72.0 0.129 9860
3×185 + 3×95/3E + 3×2,5st + .L 70.0 – 74.0 0.106 11300
6/10 kV
3×25 + 3×16/3E + 3×2,5st + .L 54.0 – 57.0 0.780 4200
3×35 + 3×16/3E + 3×2,5st + .L 57.1 – 60.2 0.554 4650
3×50 + 3×25/3E + 3×2,5st + .L 60.4 – 63.6 0.386 5380
3×70 + 3×35/3E + 3×2,5st + .L 65.2 – 68.8 0.272 6450
3×95 + 3X50/3E + 3×2,5st + .L 68.0 – 71.9 0.206 7700
3×120 + 3×70/3E + 3×2,5st + .L 70.1 – 76.1 0.161 9260
3×150 + 3×70/3E + 3×2,5st + .L 73.0 – 78.0 0.129 10840
3×185 + 3×95/3E + 3×2,5st + .L 74.0 – 79.2 0.106 12400
8,7/15 kV
3×25 + 3×16/3E + 3×2,5st + .L 54.2 – 58.0 0.780 4530
3×35 + 3×16/3E + 3×2,5st + .L 55.0 – 60.0 0.554 5100
3×50 + 3×25/3E + 3×2,5st + .L 58.0 – 61.0 0.386 5840
3×70 + 3×35/3E + 3×2,5st + .L 65.2 – 67.0 0.272 7840
3×95 + 3X50/3E + 3×2,5st + .L 66.0 – 69.0 0.206 9120
12/20 kV
3×25 + 3×16/3E + 3×2,5st + .L 54.4 – 58.2 0.780 4920
3×35 + 3×16/3E + 3×2,5st + .L 55.4 – 60.0 0.554 5400
3×50 + 3×25/3E + 3×2,5st + .L 58.0 – 61.0 0.386 6200
3×70 + 3×35/3E + 3×2,5st + .L 65.2 – 67.0 0.272 7320
3×95 + 3X50/3E + 3×2,5st + .L 66.0 – 69.0 0.206 8630
3×120 + 3×70/3E + 3×2,5st + .L 68.7 – 74.0 0.161 9260
3×150 + 3×70/3E + 3×2,5st + .L 74.0 – 78.0 0.129 10460
3×185 + 3×95/3E + 3×2,5st + .L 78.0 – 82.0 0.106 11870

 

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