
Type 506 / Type 512 / Type 518 / Type 524 BS 6708 320/550 V Armoured Control Cable
Type 506 / Type 512 / Type 518 / Type 524 mining cable for control connections inside large mining machines and interconnection between surrounding machine segments, with the source-defined 320/550 V rating and 1.5 kV test reference.
- Model: Type 506 / Type 512 / Type 518 / Type 524
- Conductor and insulation: flexible tinned copper with the insulation and core construction listed for this model in the supplied PDF
- Screen, pilot, earth and armour arrangement preserved from the source datasheet
- Heavy-duty chloroprene or PCP outer protection as listed for this model
- Original Type datasheet available as the product download
Send the equipment, voltage, conductor area, route, quantity and document requirements for an RFQ.
Type 506 / Type 512 / Type 518 / Type 524 for control connections inside large mining machines and interconnection between surrounding machine segments
Type 506 / Type 512 / Type 518 / Type 524 mining cable is specified in the supplied BS 6708 datasheet for control connections inside large mining machines and interconnection between surrounding machine segments. This page keeps the source-listed voltage, test reference, core functions and dimensional tables together so a procurement engineer can compare the requested model against the cable marking and the equipment connection. The editorial focus is the auxiliary-control function rather than the primary power path, not a generic promise of performance.
The supplied construction uses multiple individually screened cores laid in contact with flexible galvanized steel armour between inner and outer sheaths, with EPR or TPE insulation and a heavy-duty chloroprene jacket. That arrangement matters because This family is intended for control and interconnection duties; it should not be presented as a primary high-current power cable. The family should therefore be selected by model, core function and installation route as well as by voltage. The Gama de cables para minería y túneles provides the wider TEBAOFLEX product context.
- Elegir por: confirm core count, circuit function, screen termination and whether the cable is carrying control/auxiliary circuits rather than machine power.
- Confirmar antes de realizar el pedido: existing sheath marking, conductor area, cable length, route, support or handling system, terminations and the required inspection documents.
- Do not infer: values not listed in the supplied PDF, such as a different current basis, water/oil/UV performance, certification scope or mechanical interchangeability.
For machine interconnection projects, pair this control-cable data with the Mining & Tunnelling solutions page so the control route and primary power route are reviewed as separate requirements.
For a technical quotation, send the equipment nameplate or existing cable marking, voltage and size requirement, installation conditions, quantity, destination and any project-specific test or documentation requirement.
Type 506 / Type 512 / Type 518 / Type 524 construction
The cross-section below is the supplied construction drawing for Type 506 / Type 512 / Type 518 / Type 524. The ordering decision is driven by This family is intended for control and interconnection duties; it should not be presented as a primary high-current power cable.

Source-listed construction
| Elemento de construcción | Valor indicado en la fuente |
|---|---|
| Conductor | Electrolytic stranded tinned copper wire, IEC 60228 Class 5 |
| Aislamiento | EPR or TPE insulation |
| Pantalla | Tinned copper and nylon braided screen over cores |
| bandeja | All cores laid up in contact with each other |
| Armadura | Armadura flexible de acero galvanizado |
| Vaina | Heavy-duty chloroprene outer sheath |
| Cable design | Composite individual screens with pliable armour between inner and outer sheaths |
Do not use the drawing as a substitute for the dimensional tables. Confirm the cable end preparation, screen and earth termination, armour bonding and machine interface with the equipment documentation before installation.
Type 506 / Type 512 / Type 518 / Type 524 applications

The supplied datasheet identifies this cable for control connections inside large mining machines and interconnection between surrounding machine segments. Google result patterns for the BS 6708 family also separate cables by equipment duty, voltage class, core function and whether the route is armoured, screened, flat or auxiliary. That is why this page keeps the Type 506 / Type 512 / Type 518 / Type 524 construction separate from nearby Type numbers.
- Primary duty: control connections inside large mining machines and interconnection between surrounding machine segments.
- Model boundary: This family is intended for control and interconnection duties; it should not be presented as a primary high-current power cable.
- Project check: match the cable marking, core map, voltage, termination, route geometry and handling method to the machine drawing.
- Environmental review: confirm the actual mine/quarry conditions and any authority, inspection or documentation requirements; do not infer a certification or material-resistance claim from the model number.
For primary low-voltage power rather than control interconnection, compare the Type 70/71 mining cable; the conductor purpose and termination schedule should decide the selection.
The cable should be released only after the equipment route, required length, conductor area, core functions and connection details are agreed. If the intended duty is different from the source-listed application, request an engineering review through the quotation process.
Type 506 / Type 512 / Type 518 / Type 524 specifications
The summary below identifies the supplied model family. The source-transcribed tables that follow retain the PDF's dimensional, electrical and construction values, including available sizes, resistance, current, diameter, mass, bending or pulling data when the PDF provides them.
| Selection item | Source-linked value |
|---|---|
| Modelo | Type 506 / Type 512 / Type 518 / Type 524 |
| Tensión nominal | 320/550 V |
| Voltaje de prueba | 1.5 kV |
| Aplicación | control connections inside large mining machines and interconnection between surrounding machine segments |
| Norma del producto | BS 6708 |
Complete source-transcribed technical tables
Source PDF: BS6708_TYPE_506_TYPE_512_TYPE_518_TYPE_524_320_550V_ARMOURED_CONTROL_CABLE_datasheet.pdf; 3 pages; 6 extracted tables. Values are not recalculated or replaced by third-party values.
| Parámetro | Valor |
|---|---|
| Conductor | Electrolytic stranded tinned copper wire, IEC 60228 Class 5 |
| Aislamiento | EPR or TPE insulation |
| Pantalla | Tinned copper and nylon braided screen over cores |
| bandeja | All cores are laid up in contact with each other |
| Lecho | Rubber based bedding compound |
| Armadura | Armadura flexible de acero galvanizado |
| Vaina exterior | Heavy duty chloroprene outer sheath |
| Parámetro | Valor |
|---|---|
| Estándar | BS 6708 |
| Tensión nominal | 320/550 V |
| Voltaje de prueba | 1.5 kV |
| Cable design | Composite individual screens with pliable armour between inner and outer sheaths |
| CORE DIMENSIONS | |||||
|---|---|---|---|---|---|
| Tipo | Nominal cross section | Conductors number and cross section | Stranding mm | Cond. dia. mm | Insul. thick. mm |
| Type 506 | 18x1.34 | 18x1.34 | 19/0.30 | 1.60 | 0.4 |
| Type 512 | 6x1.34 | 6x1.34 | 19/0.30 | 1.60 | 0.4 |
| Type 518 | 12x1.34 | 12x1.34 | 19/0.30 | 1.60 | 0.4 |
| Type 524 | 24x0.93 | 24x0.93 | 19/0.25 | 1.30 | 0.4 |
| CABLE DIMENSIONS | |||||||
|---|---|---|---|---|---|---|---|
| Tipo | Inner sheath radial thick. mm | Min. inner sheath dia. mm | Max. inner sheath dia. mm | Armour size mm | Outer sheath thick. mm | Min. OD mm | Max. OD mm |
| Type 506 | 1.5 | 16.5 | 18.5 | 7/0.45 | 1.8 | 22.8 | 25.3 |
| Type 512 | 3.5 | 14.8 | 16.8 | 7/0.45 | 1.8 | 22.1 | 23.6 |
| Type 518 | 1.8 | 14.8 | 16.8 | 7/0.45 | 1.8 | 22.1 | 23.6 |
| Type 524 | 1.5 | 17.9 | 19.9 | 7/0.45 | 1.8 | 24.2 | 26.7 |
| MECHANICAL AND ELECTRICAL DETAILS | |||||||
|---|---|---|---|---|---|---|---|
| Tipo | Min. bend radius mm | Approx. weight kg/km | Copper weight kg/km | Current rating at 25 deg C | Max. DC resistance at 20 deg C ohm/km | Armour DC res. ohm/km | 3 phase voltage drop mV/A/m |
| Type 506 | 253 | 1400 | 450 | 11 | 15.4 | 4.76 | 30 |
| Type 512 | 236 | 1020 | 150 | 16 | 15.4 | 5.40 | 30 |
| Type 518 | 236 | 1200 | 300 | 13 | 15.4 | 5.40 | 30 |
| Type 524 | 267 | 1600 | 450 | 8 | 22.1 | 4.50 | 43 |
| Parámetro | Valor |
|---|---|
| Max. DC resistance at 20 deg C - conductors | 15.4 ohm/km for Types 506, 512 and 518; 22.1 ohm/km for Type 524 |
| Max. DC resistance at 20 deg C - armour | 4.76 ohm/km for Type 506; 5.40 ohm/km for Types 512 and 518; 4.50 ohm/km for Type 524 |
| 3 screens in parallel connection | 37.3 ohm/km for Types 506, 512 and 518; 44.7 ohm/km for Type 524 |
| DC or single phase voltage drop | 34 mV/A/m for Types 506, 512 and 518; 50 mV/A/m for Type 524 |
| 3 phase voltage drop | 30 mV/A/m for Types 506, 512 and 518; 43 mV/A/m for Type 524 |
| Continuous current rating | At 25 deg C ambient |
Use the table values with the equipment drawing and approved termination plan. If the requested conductor area, current basis, mechanical limit or environmental condition is not listed in the supplied PDF, treat it as a quotation-stage confirmation item.
Type 506 / Type 512 / Type 518 / Type 524 standards and references
| Tema | Source-linked reference |
|---|---|
| Norma del producto | BS 6708 |
| Tensión nominal | 320/550 V |
| Voltaje de prueba | 1.5 kV |
| Source application | control connections inside large mining machines and interconnection between surrounding machine segments |
The product page preserves the BS 6708 reference appearing in the supplied PDF. The BSI record currently identifies BS 6708:1998 as withdrawn on 22 May 2026; this status note is a standards-reference update, not a claim that the product is currently certified or approved. See the official BSI BS 6708 scope record for the published status.
For an RFQ, state the required standard documents, inspection scope, test report, cable marking, destination rules and any replacement-equivalence requirement. The model number alone does not establish legal installation compliance.
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