Mining CablesCables
AS/NZS 2802 Type 455 Mining Cable
General use cable for mines (except for underground coal mines). Suitable to trailing and reeling due to its’ smaller dimensions.
3.3/3.3 kV, 6.6/6.6 kV, 11/11 kV, 22/22 kV
BS 6708 Type 307M Mining Cable
Used for supplying excavating, crushing machines and equipment.
Rated voltage1,9/3,3 kV
ConductorElectrolytic, stranded, tinned copper wire IEC 60228 Class 5
InsulationEPR (Ground core is not insulated).
Outer sheathHeavy duty chloroprene outer sheath.
- Quoted to your quantity
- Documentation on request
- International delivery
Product Overview
Used for supplying excavating, crushing machines and equipment.
Technical Specifications
| Rated voltage | 1,9/3,3 kV |
|---|---|
| Conductor | Electrolytic, stranded, tinned copper wire IEC 60228 Class 5 |
| Insulation | EPR (Ground core is not insulated). |
| Outer sheath | Heavy duty chloroprene outer sheath. |
| Separator | Colored Textile tape for core identification. |
| Screen | Tinned copper / Nylon braided screen over phase and pilot cores. |
| Layup | All cores are laid up in contact with the bare copper earth conductor. |
| Bedding | Rubber based bedding compound. |
| Related standards | BS 6708 |
| Test voltage | 7,5 kV |
| Cross Section | 3×25+25+25 | 3×35+25+35 | 3×50+35+50 | 3×70+50+70 | 3×95+50+95 | 3×120+70+120 | |
|---|---|---|---|---|---|---|---|
| Phase Conductor | |||||||
| Number and cross section | mm2 | 3×25 | 3×35 | 3×50 | 3×70 | 3×95 | 3×120 |
| Insulation diameter | Nom. mm | 13.10 | 14.75 | 15.80 | 17.80 | 19.20 | 21.60 |
| Screen diameter | Nom. mm | 15.50 | 17.10 | 18.20 | 20.15 | 21.60 | 23.95 |
| Earth Conductor | |||||||
| Number and cross section | mm2 | 1×25 | 1×25 | 1×35 | 1×50 | 1×50 | 1×70 |
| Stranding | mm | 196/0,40 | 196/0,40 | 276/0,40 | 396/0,40 | 396/0,40 | 360/0,50 |
| Conductor diameter | Nom. mm | 6.75 | 6.75 | 8.20 | 9.80 | 9.80 | 11.70 |
| Pilot Conductor | |||||||
| Number and cross section | mm2 | 1×25 | 1×35 | 1×50 | 1×70 | 1×95 | 1×120 |
| Stranding | mm | 196/0,40 | 276/0,40 | 396/0,40 | 360/0,50 | 475/0,50 | 608/0,50 |
| Conductor diameter | Nom. mm | 6.75 | 8.35 | 9.40 | 11.35 | 12.75 | 15.10 |
| Insulation diameter | Nom. mm | 13.10 | 14.75 | 15.80 | 17.80 | 19.20 | 21.60 |
| Screen diameter | Nom. mm | 15.50 | 17.10 | 18.20 | 20.15 | 21.60 | 23.95 |
| Cable details | |||||||
| Min. overall diameter | mm | 47.4 | 51.6 | 56.8 | 62.8 | 68.9 | 73.4 |
| Max. overall diameter | mm | 49.9 | 54.6 | 59.8 | 65.8 | 72.7 | 77.4 |
| Min. bending radius | mm | 399 | 437 | 478 | 526 | 581 | 617 |
| Max. pulling tension | kgf | 642 | 834 | 1.2 | 1.68 | 2 | 2 |
| Appx. cable weight | kg/km | 4.2 | 5 | 6.5 | 8.1 | 9.8 | 11.6 |
| Copper weight | kg/km | 1.664 | 2.048 | 2.866 | 3.682 | 4.546 | 5.65 |
| Electrical details | |||||||
| “Continuous current rating at 25°C Ambient” | A | 110 | 135 | 170 | 205 | 250 | 295 |
| “Intermittent current rating at 25°C Ambient” | A | 130 | 155 | 210 | 255 | 315 | 360 |
| Max. DC resistance at 20°C | |||||||
| Phase Conductor | Ω /km | 0.795 | 0.565 | 0.393 | 0.277 | 0.21 | 0.164 |
| Pilot Conductor | Ω /km | 0.795 | 0.565 | 0.393 | 0.277 | 0.21 | 0.164 |
| 4 screens and earth in parallel connection | Ω /km | 0.45 | 0.45 | 0.31 | 0.31 | 0.25 | 0.25 |
| Nom. reactance at 50Hz | Ω /km | 0.125 | 0.117 | 0.113 | 0.108 | 0.105 | 0.101 |
| Nom. reactance at 60Hz | Ω /km | 0.15 | 0.141 | 0.136 | 0.129 | 0.126 | 0.121 |
| Min. insulation resistance at 20°C | M Ω /km | 1250 | 1100 | 950 | 820 | 720 | 660 |
| 3 phase voltage drop on full load current | mV/A/m | 1.69 | 1.21 | 0.85 | 0.61 | 0.48 | 0.39 |
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