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 7S Mining Cable
Used for supplying excavating, crushing machines and equipment.
Rated voltage640/1100 V
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 | 640/1100 V |
|---|---|
| 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 unit 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 | 3 kV – 2,5kV (Pilot cores) |
| Cross Section | 3×50+25+3×4 | 3×70+35+3×6 | 3×95+50+3×6 | 3×120+50+3×10 | 3×150+70+3×10 | |
|---|---|---|---|---|---|---|
| Phase Conductor | ||||||
| Number and cross section | mm2 | 3×50 | 3×70 | 3×95 | 3×120 | 3×150 |
| Insulation diameter | Nom. mm | 13.60 | 15.70 | 17.25 | 20.05 | 22.20 |
| Screen diameter | Nom. mm | 15.90 | 18.00 | 19.55 | 22.35 | 24.50 |
| Earth Conductor | ||||||
| Number and cross section | mm2 | 1×25 | 1×35 | 1×50 | 1×50 | 1×70 |
| Stranding | mm | 196/0,40 | 276/0,40 | 396/0,40 | 396/0,40 | 360/0,50 |
| Conductor diameter | Nom. mm | 6.75 | 8.00 | 9.75 | 9.75 | 11.60 |
| Pilot Conductors | ||||||
| Number and cross section | mm2 | 3×4 | 3×6 | 3×6 | 3×6 | 3×10 |
| Stranding | mm | 56/0,30 | 84/0,30 | 84/0,30 | 80/0,40 | 80/0,40 |
| Conductor diameter | Nom. mm | 2.60 | 3.50 | 3.50 | 4.40 | 4.40 |
| Insulation diameter | Nom. mm | 5.55 | 6.40 | 6.40 | 7.30 | 7.30 |
| Diameter over sheath | Nom. mm | 15.60 | 17.70 | 19.25 | 22.05 | 24.20 |
| Cable details | ||||||
| Min. overall diameter | mm | 48.5 | 55.1 | 62.4 | 68.0 | 70.4 |
| Max. overall diameter | mm | 51.8 | 58.8 | 66.1 | 72.5 | 78.4 |
| Min. bending radius | mm | 420 | 470 | 530 | 580 | 630 |
| Max. pulling tension | kgf | 1.12 | 1.57 | 2 | 2 | 2 |
| Appx. cable weight | kg/km | 4.45 | 6.08 | 6.65 | 8.3 | 10.5 |
| Copper weight | kg/km | 2.2 | 3.15 | 4.25 | 4.8 | 5.3 |
| Electrical details | ||||||
| “Continuous current rating at 25°C Ambient” | A | 170 | 205 | 250 | 295 | 320 |
| “Intermittent current rating at 25°C Ambient” | A | 200 | 250 | 310 | 355 | 385 |
| Max. DC resistance at 20°C | ||||||
| Phase Conductors | Ω /km | 0.393 | 0.277 | 0.21 | 0.164 | 0.132 |
| Pilot Conductors | Ω /km | 5.47 | 3.6 | 3.6 | 2.09 | 2.09 |
| 3 screens and earth in parallel connection | Ω /km | 0.44 | 0.3 | 0.26 | 0.24 | 0.176 |
| Nom. reactance at 50Hz | Ω /km | 0.098 | 0.095 | 0.094 | 0.092 | 0.08 |
| Nom. reactance at 60Hz | Ω /km | 0.118 | 0.114 | 0.113 | 0.11 | 0.096 |
| Min. insulation resistance at 20°C | M Ω /km | 285 | 260 | 250 | 250 | 250 |
| 3 phase voltage drop on full load current | mV/A/m | 0.84 | 0.61 | 0.47 | 0.38 | 0.32 |
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