CABLE STRUCTURE:
Conductor:Class 5 tinned copper
Conductor Shielding:Rubber Type Semiconductive Inner Shielding
Insulation:Power Core:EPDM Rubber(XJ-30)
Insulation Shielding:Rubber Type Semiconductive Outer Shielding+Semiconductive Strip+Metal/Fiber Braided
Fillers(Optiona1):Edge Gap Rubber Strip or Glass Fiber Rope
Inner Sheath:EPDM Rubber(XJ-10)
Outer Sheath:Mixture of Chlorinated Polyethylene or Other Comparable Materials(XH-03)
Technical Data Rated voltage:(U₀/U)3.6/6kV;(U₀/U)6/10kV;(U₀/U)8.7/10kV
The maximum system voltage:(Um)1.1 times U
Temperature classification:Maximum operating temperature of the conductor:+75℃
Operating environment temperature:-20℃ to+45℃
Cable laying temperature:Not lower than 0℃(When the ambient temperature is below 0℃,the cable should be preheated.)
Min.Bending Radius:6×cable O.D
Finished product voltage test:Power wire core:12.5 kV/5minutes
Partial discharge:1.73U₀The discharge amount at this voltage is no more than 20pC.Installation method:The laying of underground cables in coal mines is divided into methods such as in level tunnels or those below 45℃,in chambers,and in vertical shafts or in tunnels above 45℃ or in boreholes.
MYPTJ 3.6/6 kV
| Nom.Crosssection of conductor | Diameter of the power core conductor | Nominal thickness of the insulation for the power core wire | Inner sheath thickness | Nominal thickness of the outer sheath | Outer diameter of the cable | Total weight of the cable | Earth wire core 20℃ Maximum DC resistance of conductor |
| N×mm2 | mm | mm | mm | mm | mm | kg/km | Ω/km |
| 3×25+3×16/3+3×2.5 | 7.3 | 4.0 | 2.5 | 5.5 | 62.2 | 5369.4 | 2.31 |
| 3×35+3×16/3+3×2.5 | 9.2 | 4.0 | 2.5 | 5.5 | 66.2 | 6138.6 | 2.31 |
| 3×50+3×16/3+3×2.5 | 11 | 4.0 | 2.5 | 5.5 | 70.2 | 7031.3 | 2.31 |
| 3×70+3×25/3+3×2.5 | 13.1 | 4.0 | 3.0 | 5.5 | 75.8 | 8514.5 | 1.48 |
| 3×95+3×35/3+3×2.5 | 14.4 | 4.0 | 3.0 | 5.5 | 78.6 | 9690.6 | 1.05 |
| 3×120+3×35/3+3×2.5 | 16.3 | 4.0 | 3.0 | 5.5 | 82.7 | 10925.6 | 1.05 |
| 3×150+3×50/3+3×2.5 | 18.4 | 4.0 | 3.0 | 5.5 | 87.2 | 12629.2 | 0.73 |
| Power Core Crosssection of conductor | Current carrying capacity | Maximum direct current resistance of the conductor at 20℃ | Minimum insulation resistance at 20℃ |
| mm2 | A | Ω/km | MΩ ·km |
| 25 | 110 | 0.795 | 650 |
| 35 | 135 | 0.565 | 550 |
| 50 | 170 | 0.393 | 500 |
| 70 | 205 | 0.277 | 4450 |
| 95 | 250 | 0.210 | 400 |
| 120 | 295 | 0.164 | 350 |
| 150 | 320 | 0.13 | 350 |
MYPTJ 6/10 kV
| Nom.Crosssection of conductor | Diameter of the power core conductor | Nominal thickness of the insulation for the power core wire | Inner sheath thickness | Nominal thickness of the outer sheath | Outer diameter of the cable | Total weight of the cable | Earth wire core 20℃ Maximum DC resistance of conductor |
| N×mm2 | mm | mm | mm | mm | mm | kg/km | Ω/km |
| 3×25+3×16/3+3×2.5 | 7.3 | 4.5 | 2.5 | 5.5 | 64.5 | 5742.3 | 2.310 |
| 3×35+3×16/3+3×2.5 | 9.2 | 4.5 | 2.5 | 5.5 | 68.5 | 6528.4 | 2.310 |
| 3×50+3×25/3+3×2.5 | 11 | 4.5 | 3.0 | 5.5 | 73.6 | 7794.7 | 1.480 |
| 3×70+3×35/3+3×2.5 | 13.1 | 4.5 | 3.0 | 5.5 | 78.1 | 9120.1 | 1.050 |
| 3×95+3×50/3+3×2.5 | 14.4 | 4.5 | 3.0 | 5.5 | 80.9 | 10436.1 | 0.731 |
| 3×120+3×50/3+3×2.5 | 16.3 | 4.5 | 3.0 | 5.5 | 85.0 | 11671.0 | 0.731 |
| 3×150+3×50/3+3×2.5 | 18.4 | 4.5 | 3.0 | 5.5 | 89.6 | 13139.1 | 0.731 |
| Crosssection of conductor | Current carrying capacity | resistance of the conductor at 20℃ | Minimum insulation resistance at 20℃at 20℃ |
| mm2 | A | Ω/km | MΩ ·km |
| 25 | 110 | 0.795 | 650 |
| 35 | 135 | 0.565 | 550 |
| 50 | 170 | 0.393 | 500 |
| 70 | 205 | 0.277 | 4450 |
| 95 | 250 | 0.210 | 400 |
| 120 | 295 | 0.164 | 350 |
| 150 | 320 | 0.132 | 350 |
MYPTJ 8.7/10 kV
| Nom.Crosssection of conductor | Diameter of the power core conductor | Nominal thickness of the insulation for the power core wire | Inner sheath thickness | Nominal thickness of the outer sheath | Outer diameter of the cable | Total weight of the cable | Earth wire core 20℃ Maximum DC resistance of conductor |
| N×mm2 | mm | mm | mm | mm | mm | kg/km | Ω/km |
| 3×25+3×16/3+3×2.5 | 7.3 | 5.5 | 2.5 | 5.5 | 69.1 | 5742.3 | 2.310 |
| 3×35+3×16/3+3×2.5 | 9.2 | 5.5 | 3.0 | 5.5 | 74.1 | 6528.4 | 2.310 |
| 3×50+3×25/3+3×2.5 | 11 | 5.5 | 3.0 | 5.5 | 78.1 | 7794.7 | 1.480 |
| 3×70+3×35/3+3×2.5 | 13.1 | 5.5 | 3.0 | 5.5 | 82.7 | 9120.1 | 1.050 |
| 3×95+3×50/3+3×2.5 | 14.4 | 5.5 | 3.0 | 5.5 | 85.5 | 10436.1 | 0.731 |
| 3×120+3×50/3+3×2.5 | 16.3 | 5.5 | 3.0 | 5.5 | 89.6 | 11671.0 | 0.731 |
| 3×150+3×50/3+3×2.5 | 18.4 | 5.5 | 3.0 | 5.5 | 94.1 | 13139.1 | 0.731 |
| Power Core Crosssection of conductor | Current carrying capacity | Maximum direct current resistance of the conductor at 20℃ | Minimum insulation resistance at 20℃ |
| mm2 | A | Ω/km | MQ ·km |
| 25 | 110 | 0.795 | 1250 |
| 35 | 135 | 0.565 | 1150 |
| 50 | 170 | 0.393 | 1000 |
| 70 | 205 | 0.277 | 900 |
| 95 | 250 | 0.210 | 800 |
| 120 | 295 | 0.164 | 750 |
| 150 | 320 | 0.132 | 700 |
Application Suitable for power connections of underground mobile transformers with a rated voltage not exceeding 3.6/6kV、6/10kV、8.7/10kV and similar equipment.
At TianHuan Cable Group, we specialise in creating custom cables and harnesses for the world’s most demanding applications. Different materials are used according to customer requirements to meet different weather resistance, application, safety levels, and environmental requirements.