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 307S 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 cores. Pilot core is not screened. |
| 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 – 2,5kV (Pilot conductors) |
| Cross Section | 3×50+35+3×4 | 3×70+50+3×6 | 3×95+50+3×6 | 3×120+70+3×10 | |
|---|---|---|---|---|---|
| Phase Conductor | |||||
| Number and cross section | mm2 | 3×50 | 3×70 | 3×95 | 3×120 |
| Insulation diameter | Nom. mm | 15.80 | 17.80 | 19.20 | 21.60 |
| Screen diameter | Nom. mm | 18.20 | 20.15 | 21.60 | 23.95 |
| Earth Conductor | |||||
| Number and cross section | mm2 | 1×35 | 1×50 | 1×50 | 1×70 |
| Stranding | mm | 276/0,40 | 396/0,40 | 396/0,40 | 360/0,50 |
| Conductor diameter | Nom. mm | 8.20 | 9.80 | 9.80 | 11.70 |
| Pilot Conductor | |||||
| Number and cross section | mm2 | 3×4 | 3×6 | 3×6 | 3×10 |
| Stranding | mm | 56/0,30 | 84/0,30 | 84/0,30 | 80/0,40 |
| Conductor diameter | Nom. mm | 2.60 | 3.50 | 3.50 | 4.40 |
| Insulation diameter | Nom. mm | 5.55 | 6.40 | 6.40 | 7.30 |
| Diameter over sheath | Nom. mm | 17.80 | 19.80 | 21.20 | 23.60 |
| Cable details | |||||
| Min. overall diameter | mm | 56.8 | 62.8 | 68.9 | 73.4 |
| Max. overall diameter | mm | 59.8 | 65.8 | 72.7 | 77.2 |
| Min. bending radius | mm | 478 | 526 | 581 | 617 |
| Max. pulling tension | kgf | 1.2 | 1.68 | 2 | 2 |
| Appx. cable weight | kg/km | 5.85 | 7.15 | 8.6 | 10.5 |
| Copper weight | kg/km | 2.685 | 3.319 | 4.039 | 4.951 |
| Electrical details | |||||
| “Continuous current rating at 25°C Ambient” | A | 170 | 205 | 250 | 295 |
| “Intermittent current rating at 25°C Ambient” | A | 210 | 255 | 315 | 360 |
| Max. DC resistance at 20°C | |||||
| Phase Conductor | Ω /km | 0.393 | 0.277 | 0.21 | 0.164 |
| Pilot Conductor | Ω /km | 5.09 | 3.39 | 3.39 | 1.95 |
| 3 screens and earth in parallel connection | Ω /km | 0.35 | 0.35 | 0.28 | 0.28 |
| Nom. reactance at 50Hz | Ω /km | 0.113 | 0.108 | 0.105 | 0.101 |
| Nom. reactance at 60Hz | Ω /km | 0.136 | 0.129 | 0.126 | 0.121 |
| Min. insulation resistance at 20°C | M Ω /km | 950 | 820 | 720 | 660 |
| 3 phase voltage drop on full load current | mV/A/m | 0.85 | 0.61 | 0.48 | 0.39 |
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