Type 61B 0.64/1.1 kV Flexible Screened Mining Cable
Type 61B mining cable is a 0.64/1.1 kV flexible screened cable for non-reeling mining and industrial equipment.
- 35–150 mm² power-conductor range in the supplied tables
- Three tinned-copper braided screened power cores
- Three unscreened pilot cores, one in each interstice
- Triple-extruded EPR RD3 insulation with strippable semiconductive screens
- Polychloroprene RS6 inner and black outer sheath with open nylon braid
- −25 °C to +90 °C source-listed temperature window
Send the cable size, route, equipment and termination details for a project-specific review.
Type 61B mining cable for non-reeling mobile equipment
Type 61B mining cable is a 0.64/1.1 kV flexible screened cable for electrically driven machines and movable electrical apparatus in hazardous areas. The supplied SANS datasheet describes non-reeling mining and industrial use, so this page is aimed at buyers specifying a robust mobile connection where the cable is handled along a mine or plant route rather than selected from a generic low-voltage list.
The cable combines three screened power cores with one pilot core in each interstice. Class 5 tinned annealed copper, triple-extruded EPR insulation, semi-conductive core screens, a polychloroprene inner sheath, open nylon braid and a black RS6 outer sheath define the source construction. Search-led buyer language also places this family alongside underground mobile machinery and roadheader-type equipment; the final application decision must still follow the non-reeling description, route conditions and equipment schedule in the supplied sheet.
Choose the conductor area from the 35–150 mm² range shown in Specifications, then confirm the machine voltage, cable length, termination layout and required pilot function. The dimensional and electrical tables retain the source values, including diameter, mass, DC resistance, reactance, screen performance and short-circuit figures. For the wider Cabos para Mineração e Construção de Túneis range, compare the related Type 240, Type 245 and Type 409 paths before requesting a quotation.
Type 61B screened power-core construction
Type 61B is built as three screened power cores with one unscreened pilot in each interstice. A semi-conductive rubber filler supports the right-hand lay, followed by polychloroprene covering, an open nylon reinforcing braid and the black RS6 sheath identified in the datasheet.
| Parâmetro | Valor indicado na fonte |
|---|---|
| Condutor | Class 5 flexible stranded tinned annealed copper with semi-conducting rubber screen |
| Isolamento | Triple-extruded EPR thermosetting compound type RD 3 with strippable semi-conducting core screen |
| Cable core | Three tinned copper braided screened power cores and three unscreened pilot cores, one in each interstice |
| Lay / filler | Cores laid up in right-hand lay around a semi-conductive rubber filler |
| bainha interna | Polychloroprene thermosetting compound type RS 6 |
| Reforço | Trança de nylon aberta, mínimo de 16 fios de nylon |
| Bainha externa | Polychloroprene thermosetting compound type RS 6, black |
The cross-section is a construction aid; the supplied PDF remains the controlling document for conductor areas, screen fill, pilot sizes, dimensions, mass and electrical data.
Type 61B application fit
The source application is specific about electrically driven machines, movable apparatus in hazardous areas and non-reeling service. That makes the cable-selection conversation primarily about equipment mobility, route handling and screen/pilot continuity rather than a nominal voltage alone.
- Non-reeling mining and industrial applications named in the supplied datasheet
- Movable electrical apparatus and electrically driven machines in hazardous areas
- Underground mobile-equipment procurement contexts, including roadheader-type searches where the project calls for the Type 61B construction
- Routes requiring flexible screened power cores, pilot cores and an open reinforcing braid
- Before ordering, verify the machine cable schedule, cable length, entry protection, termination and handling method
The supplied sheet does not state a reeling rating, travel speed or universal minimum bend radius. Do not transfer those values from another mining-cable type; include the actual route and handling duty in the RFQ.
Type 61B 0.64/1.1 kV Flexible Screened Mining Cable technical data
The dimensional, electrical and service values below are transcribed from the supplied PDF for Type 61B mining cable. Tables remain separated by the construction or service section used in the source, so the applicable row can be matched to the equipment schedule without inventing a merged product range.
Use the source-listed conductor area, core dimensions, overall diameter, mass and electrical values together. Where the PDF gives a bending, tension, current or short-circuit value, it remains in the table; where it does not, no universal project rating is added.
TYPE 61B PHYSICAL PROPERTIES
| Power size mm2 | Power wire dia. mm | Power cond. dia. mm | Screen wire dia. mm | Screen fill % | Screen cross-sec. mm2 | Pilot size mm2 | Pilot wire dia. mm | Pilot cond. dia. mm | Lay ratio xPCD | Cable dia. mm | Mass kg/m | Bend radius mm | Tension kN |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 35 | 0.41 | 8.5 | 0.31 | 80 | 27 | 6 | 0.31 | 3.2 | 12 | 41 | 3.1 | 300 | 1.6 |
| 50 | 0.41 | 10.3 | 0.31 | 80 | 32 | 6 | 0.31 | 3.2 | 12 | 42.5 | 3.6 | 340 | 2.3 |
| 70 | 0.51 | 11.9 | 0.31 | 80 | 37 | 16 | 0.41 | 5.2 | 12 | 48 | 4.8 | 390 | 3.2 |
| 95 | 0.51 | 13.5 | 0.31 | 80 | 43 | 16 | 0.41 | 5.2 | 12 | 52.3 | 5.7 | 430 | 4.3 |
| 120 | 0.51 | 15.5 | 0.31 | 80 | 47 | 16 | 0.41 | 5.2 | 12 | 58 | 7.1 | 460 | 5.4 |
| 150 | 0.51 | 17.3 | 0.31 | 80 | 52 | 16 | 0.41 | 5.2 | 12 | 63.5 | 8.5 | 500 | 6.8 |
ELECTRICAL CHARACTERISTICS
| Power size mm2 | DC res. 20 deg C oh/km | DC res. 90 deg C oh/km | React. oh/km | Imped. 90 deg C | Laid out straight A | Sym. S/C kA 1s | Earth fault kA 1s |
|---|---|---|---|---|---|---|---|
| 35 | 0.576 | 0.734 | 0.090 | 0.740 | 160 | 4.3 | 2.1 |
| 50 | 0.401 | 0.511 | 0.090 | 0.519 | 200 | 6.1 | 3.1 |
| 70 | 0.283 | 0.360 | 0.088 | 0.371 | 245 | 8.5 | 3.5 |
| 95 | 0.214 | 0.273 | 0.086 | 0.287 | 295 | 11.6 | 4.1 |
| 120 | 0.167 | 0.213 | 0.086 | 0.230 | 345 | 14.6 | 4.1 |
| 150 | 0.135 | 0.171 | 0.085 | 0.191 | 390 | 18.3 | 4.1 |
Parâmetro
| Classificação de tensão | 0.64/1.1 kV |
|---|---|
| Ambient rating basis | Current rating at 30 deg C ambient |
| Short circuit rating | Values shown are kA for 1 second |
| Uso da instalação | Non-reeling operation for movable electrical apparatus |
3 technical tables were transcribed from the supplied datasheet. Confirm the final selection against the original PDF and project cable schedule.
Type 61B standard and service limits
The product sheet identifies the applicable SANS references and service window below. Performance wording is retained as a source-listed characteristic and is not expanded into a separate certification claim.
| Parâmetro | Valor indicado na fonte |
|---|---|
| Normas | SANS 1520-1; SANS 1411-1; SANS 1411-3 |
| Tensão nominal | 0.64/1.1 kV |
| Classificação de temperatura | −25 °C to +90 °C |
| Cor da bainha | Preto |
| Performance | Excellent flexibility; water resistant; flame retardant; UV, sunlight, ozone and oil resistant |
| Uso da instalação | Non-reeling operation for movable electrical apparatus |
| Ambient rating basis | Current rating at 30 °C ambient |
| Short-circuit rating | Values shown in the PDF are kA for 1 second |
For an RFQ, identify the required SANS documentation, conductor size, pilot arrangement, operating environment and whether the installation is non-reeling as described by the source.
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