International standards
World-class quality assurance

Participate in multiple overseas projects

Participate in multiple overseas projects

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Zero rejection from global consultants

Extensive experience in overseas project submission

Extensive experience in overseas project submission

Perfect combination of creativity and technology
Each cable is made as per demand

Special cable customization service

Special cable customization service
HomeProuductsTunnel Cables

(N)3GHSSYCY Cable

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.highvoltage transformers in mining and tunnelling.

STANDARDS

construction DIN VDE 0250-605 & IEC 60502-2
General Requirements DIN VDE 0250-1
Guide Use DIN VDE 0298-3
Electrical Tests DIN VDE 0472-501, 503, 508
Non-Electrical Tests DIN VDE 0472-401. 402,602,303, 615
Flame Retardant VDE 0482-332-1-2,DIN EN 60332-1-2,IEC 60332-1

CABLE CONSTRUCTION

(N)3GHSSYCY cable-Tunnel Cable

conductor Flexible electrolytic stranded tinned copper wire DIN VDE 0295 Class 5
Insulation
Main Cores 3Gl3 type EPR compound
Pilot Control Cores 3Gl3 type EPR compound
Electrical Field Control Extruded inner and outer rubber semiconductive layer For 3.6/6 kV cables outer semiconductive layer only
Protective Conductor Made of plain copper wires or copper wire braiding laid up concentrically around each main core
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 concentricalty wrapped over insulation of power cores
Inner Sheath YM5 type PVC compound
Monitoring Conductor Semioonductive tape + overall concentric lay of copper wires and syntetic tape over wires
Inner Sheath PVC compound type DMV6 acc. to DIN VDE 0276-603
Armour Galvanized steel wire braiding, coverage minimum 75% ST2 Type to IEC60502
Outer Sheath PVC compound type DMV6 acc. to DIN VDE 0276-603, Red or Black

Technical Characteristics

Rated Voltage 3.6/6 KV 6/10 KV 8.7/15KV 12/20 KV 18/30 KV
AC Test Voltage 11KV 17KV 24KV 29KV 43KV
Max.Permissible Operating Voltage AC 4.2/7.2KV 6.9/12KV 10.4/18KV 13.9/24KV 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 DIN VDE 0298-3
Current Carrying Capacities DIN VDE 0298-4
Working Temperature
Fixed -40°C- +80°C
Mobile +5°C- +80°C
Max.Tensile Load Of cable 20N/mm²
max.torsion 25°/m
Trawl  Speed  For  Tunnelling App Max.30 m/min
Minimum Distarce For Change Of Direction 20×D

Dimensions And Weight

3.6/6 KV

Cross Section (mm²) Overall Diameter
min-max (mm)		 conductor Resistance at 20°c
(Ω/km)		 Appro. Weight (kg/km)
3x25+3x16/3E+3x2.5ST+ÜL 47.0-51.0 0.780 3600
3x35+3x16/3E+3x2.5ST+ÜL 49.0-54.0 0.554 4170
3x50+3x25/3E+3x2.5ST+ÜL 52.0-57.8 0.386 4850
3x70+3x35/3E+3x2.5ST+ÜL 56.1-61.2 0.272 5900
3x95+3x50/3E+3x2.5ST+ÜL 60.3-66.2 0.206 7044
3x120+3x70/3E+3x2.5ST+ÜL 63.8-70.2 0.161 8620
3x150+3x70/3E+3x2.5ST+ÜL 66.0-72.0 0.129 9860
3x185+3x95/3E+3x2.5ST+ÜL 70.0-74.0 0.106 11300

6/10 KV

Cross Section (mm²) Overall Diameter
min-max (mm)		 conductor Resistance at 20°c
(Ω/km)		 Appro. Weight (kg/km)
3x25+3x16/3E+3x2.5ST+ÜL 54.0-57.0 0.780 4200
3x35+3x16/3E+3x2.5ST+ÜL 57.1-60.2 0.554 4650
3x50+3x25/3E+3x2.5ST+ÜL 60.4-63.6 0.386 5380
3x70+3x35/3E+3x2.5ST+ÜL 65.2-68.8 0.272 6450
3x95+3x50/3E+3x2.5ST+ÜL 68.0-71.9 0.206 7700
3x120+3x70/3E+3x2.5ST+ÜL 70.1-76.1 0.161 9260
3x150+3x70/3E+3x2.5ST+ÜL 73.0-78.0 0.129 10840
3x185+3x95/3E+3x2.5ST+ÜL 74.0-79.2 0.106 12400
8.7/15KV
Cross Section (mm²) Overall Diameter
min-max (mm)		 conductor Resistance at 20°c
(Ω/km)		 Appro. Weight (kg/km)
3x25+3x16/3E+3x2.5ST+ÜL 58.0-62.0 0.780 4530
3x35+3x16/3E+3x2.5ST+ÜL 61.0-65.0 0.554 5100
3x50+3x25/3E+3x2.5ST+ÜL 64.7-68.7 0.386 5840
3x70+3x35/3E+3x2.5ST+ÜL 67.9-71.9 0.272 7840
3x95+3x50/3E+3x2.5ST+ÜL 72.4-76.4 0.206 9210
12/20 KV
Cross Section (mm²) Overall Diameter
min-max (mm)		 conductor Resistance at 20°c
(Ω/km)		 Appro. Weight (kg/km)
3x25+3x16/3E+3x2.5ST+ÜL 62.3-66.3 0.780 4920
3x35+3x16/3E+3x2.5ST+ÜL 65.3-69.3 0.554 5400
3x50+3x25/3E+3x2.5ST+ÜL 69.0-73.0 0.386 6200
3x70+3x35/3E+3x2.5ST+ÜL 72.2-76.2 0.272 8240
3x95+3x50/3E+3x2.5ST+ÜL 76.8-80.8 0.206 9610
3x120+3x70/3E+3x2.5ST+ÜL 81.0-84.0 0.161 11260
3x150+3x70/3E+3x2.5ST+ÜL 84.5-88.7 0.129 13840
3x185+3x95/3E+3x2.5ST+ÜL 89.0-93.5 0.106 15400