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Flame-retardant Rubber Sheathed Cables for Mining Purposes
0.3/0.5kV Light-duty Flexible Portable Cable for Mining Use
- Share:
1. Application
This product is used as power supply connection cable for lighting, conveyor interlock, control and communication equipment at mine.
2. Guide to Use
Max. conductor temperature in normal use is 65℃, and its min. bend radius is 6 times cable radius.
Code | Description | Application |
MYQ-0.3/0.5 | Light duty flexible rubber cable for mining use |
Power supply connection cable for lighting, conveyor interlock, control and communication equipment at mine |
4. Sectional Drawing
No. of Cores * Sectional Area (mm2) | Nominal Thickness | Overall Diameter (mm) | No. of Cores * Sectional Area (mm2) | Nominal Thickness | Overall Diameter (mm) | ||
Insulation | Sheath | MYQ-0.3/0.5 | Insulation | Sheath | MYQ-0.3/0.5 | ||
2*1.0 | 0.6 | 1.5 | 7.5-10.0 | 4*2.5 | 1.0 | 2.0 | 13.5-16.5 |
2*1.5 | 0.8 | 1.5 | 9.0-11.5 | 7*1.0 | 0.6 | 1.5 | 10.5-13.0 |
2*2.5 | 1.0 | 1.5 | 10.5-13.5 | 7*1.5 | 0.8 | 2.0 | 13.0-16.5 |
3*1.0 | 0.6 | 1.5 | 8.4-10.5 | 7*2.5 | 1.0 | 2.0 | 15.5-19.0 |
3*1.5 | 0.8 | 1.5 | 9.5-12.0 | 12*1.0 | 0.6 | 2.0 | 14.0-17.5 |
3*2.5 | 1.0 | 1.5 | 11.5-13.5 | 12*1.5 | 0.8 | 2.5 | 18.0-21.0 |
4*1.0 | 0.6 | 1.5 | 9.0-11.0 | 12*2.5 | 1.0 | 2.5 | 21.0-25.5 |
4*1.5 | 0.8 | 1.5 | 10.5-13.0 |
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6. Technical Performance
1) Conductor Resistance
Power Core Sectional Area (mm2) |
DC Resistance at 20℃ (Ω/km) |
Power Core Sectional Area (mm2) | DC Resistance at 20℃ (Ω/km) |
1.0 | ≤19.5 | 2.5 | ≤7.98 |
1.5 | ≤9.5 |
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2) Insulation DC resistance of power core at 20℃ is over 650 MΩ·kM.
3) Sheath tensile strength is over 11.0MPa, and has an elongation of over 250% at break.
4) 0.3/0.5kV cables can withstand a 2.0kV/12Min voltage test and no breakdown shall occur.
5) The flame-retardant performance of the cable meets all requirements of burn test in standard MT 386-1995.
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