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Product

Steel-tape armoured mining optical cable PN-EN 60794-1-2Double Steel Tape (FtZn)IEC 60332-3-22 Cat. A

YOTKGtsFtZnyn Steel-Tape Armoured Mining Optical CableYOTKGtsFtZnyn underground mining multi-loose-tube optical telecom cable for methane and coal-dust zones, featuring a central FRP rod, SZ gel-filled PBT tubes (Gts), PVC inner bedding, double steel tape armour (FtZn) and Cat. A blue FR-PVC sheath.

Engineered for underground mining, open-cast excavation, shaft infrastructure and heavy industrial service per PN-EN 60794-1-2 / IEC 60332-3-22 across -40 to +70 °C.

Flame-retardant

Water-resistant

Approved

Outdoor & humid

Configuration

Order designation: YOTKGtsFtZnyn 72J (6×12F) G.652.D
Outer Ø ≈: 15.6 mm
Net weight ≈: 315 kg/km
Tensile rating ≈: 3.0 kN
Core / stranding: SZ gel-filled PBT tubes

All sizes (3)

Request a quote Datasheet WhatsApp info@tebaoflex.com

Engineering reply in 2 business hoursCut-to-length export drumsEN 10204 3.1 certificate per drum

Rated voltage: Optical
Operating temp.: -40 to +70 °C
Min. bend radius: 15 × OD
Core / conductor: 12–144 Fibres
Outer protection: FtZn + Blue PVC
Standard: EN 60794-1-2

Typical values for this cable type, based on PN-EN 60794-1-2 / IEC 60332-3-22 — confirmed in the datasheet and quotation for your order.

Application fit

Is YOTKGtsFtZnyn right for your machine?

Engineered for underground mining, open-cast excavation, shaft infrastructure and heavy industrial service per PN-EN 60794-1-2 / IEC 60332-3-22 across -40 to +70 °C.

Mine roadway & tunnel wall hangers

Suitable

Engineered for underground mining shafts, galleries and tunnel infrastructure per PN-EN 60794-1-2 / IEC 60332-3-22.

Fixed installation

Suitable

Suitable for vertical shaft cleats, gallery messenger hooks and tray routing within 15 × OD.

Free-hanging vertical run

Suitable

Supports inclined roadway and vertical mine shaft suspension within rated kN load across -40 to +70 °C.

Festoon & line chain

Not suitable

Not optimized for high-speed overhead crane C-track festoon loops; select a dedicated festoon cable.

NGFLGÖU Flat Rubber Festoon Cable

Typical machinesMining & TunnellingUnderground Coal & Hard-Rock MiningOpen-Cast Excavators, Draglines & ShovelsVertical Mine Shafts, Hoists & BoreholesTunneling, Mineral Processing & Slurry Plants

Construction

Layer by layer

Shown: YOTKGtsFtZnyn (PN-EN 60794-1-2 / IEC 60332-3-22) featuring central frp rod (csm), loose buffer tubes (6×12f gts) and mining flame-retardant sheath (yn) (5-layer construction).

Schematic, not to scale — generated from the layer data

#	Layer	Material & reference
1	Central FRP Rod (CSM)	Dielectric Fiber-Reinforced Plastic central strength member
2	Loose Buffer Tubes (6×12F Gts)	SZ-stranded gel-filled PBT tubes (Red/Green marker + Natural tubes)
3	Water-Blocking Tape & Black Inner Sheath	Longitudinal swellable tape + black flame-retardant PVC inner bedding
4	Galvanized Steel Tape Armour (FtZn)	Double helically applied steel tapes (3500 N/100 mm crush resistance)
5	Mining Flame-Retardant Sheath (yn)	Blue IEC 60332-3-22 Cat. A flame-retardant mining PVC outer jacket

YOTKGtsFtZnyn — Standard Mining Execution

Built to PN-EN 60794-1-2 / IEC 60332-3-22 with central frp rod (csm) and mining flame-retardant sheath (yn)

YOTKGtsFtZnyn — Custom Drum Length & Gland Kit

Available in custom shaft/roadway drum lengths or pre-terminated assemblies

YOTKGtsFtZnyn — Routine & Flame Test Certified

Supplied with EN 10204 3.1 routine dielectric, resistance & flame test report

Technical data

Ratings & operating limits

Typical values: Typical values for this cable type, based on PN-EN 60794-1-2 / IEC 60332-3-22. Values for your order are confirmed in the datasheet and quotation.

Electrical

Rated voltage / transmission duty: Optical (PN-EN 60794-1-2 / IEC 60332-3-22)
Core / conductor construction: Central FRP Rod (CSM) — Dielectric Fiber-Reinforced Plastic central strength member
Primary dielectric / buffering: Loose Buffer Tubes (6×12F Gts) — SZ-stranded gel-filled PBT tubes (Red/Green marker + Natural tubes)

Thermal

Continuous operating temperature: -40 to +70 °C (mining & industrial service)
Short-circuit / peak thermal rating: Verified thermal stability per PN-EN 60794-1-2 / IEC 60332-3-22
Storage & transport temperature: −40…+80 °C on export wooden/steel drum

Mechanical

Outer protection / armouring: Mining Flame-Retardant Sheath (yn) — Blue IEC 60332-3-22 Cat. A flame-retardant mining PVC outer jacket
Minimum bending radius: 15 × OD
Crush, impact & abrasion duty: Heavy-duty mining rock-cut, impact and tensile protection per PN-EN 60794-1-2 / IEC 60332-3-22

Resistance

Flame retardancy & mine fire safety: Self-extinguishing / flame-retardant mining jacket per PN-EN 60794-1-2 / IEC 60332-3-22
Mine water, oil & chemical resistance: Resistant to acidic mine water, hydraulic oils and abrasion per PN-EN 60794-1-2 / IEC 60332-3-22
RoHS & REACH compliance: RoHS 2 (2011/65/EU + 2015/863) & REACH SVHC compliant

Reference standards

Governing standard: PN-EN 60794-1-2 / IEC 60332-3-22
Flame & environmental test standards: IEC 60332 / MSHA / EN 60794 / IEC 60228
Quality management & inspection: ISO 9001:2015 & EN 10204 3.1 factory routine inspection

Identification

Model designation: YOTKGtsFtZnyn
Sheath colour & metre marking: Continuous metre-marked blue mining outer sheath
Customs tariff (HS): 8544.49 / 8544.60 / 8544.70

Sizes

3 standard YOTKGtsFtZnyn mining & industrial configurations

Manufactured to PN-EN 60794-1-2 / IEC 60332-3-22 for underground mining, open-cast excavation, shaft and heavy industrial systems.

Dimensions, tensile load & weights
Order designation	Configuration	Core / stranding	Outer Ø ≈ mm	Net weight ≈ kg/km	Tensile rating kN ≈	Min. bend R mm
YOTKGtsFtZnyn Construction Schedule (-40 to +70 °C)
YOTKGtsFtZnyn 24J (6×4F) G.652.D	24 × SM G.652.D (6×4F)	SZ gel-filled PBT tubes	14.8	285	3.0	225
YOTKGtsFtZnyn 72J (6×12F) G.652.D	72 × SM G.652.D (6×12F)	SZ gel-filled PBT tubes	15.6	315	3.0	235
YOTKGtsFtZnyn 144J (12×12F) G.652.D	144 × SM G.652.D (12×12F)	SZ gel-filled PBT tubes	19.4	465	3.5	295

Typical values for this cable type; dimensions and weights for your order are confirmed in the quotation.
Custom core cross-sections, pair/fibre counts, armour grades and factory drum lengths available per PN-EN 60794-1-2 / IEC 60332-3-22.

Electrical, optical & thermal parameters
Configuration	Max. DC R₂₀ / Atten. Ω/km or dB/km	Rating / Impedance	Operating temp.
24 × SM G.652.D (6×4F)	0.36	≤0.22 dB/km @ 1550 nm	-40 to +70 °C
72 × SM G.652.D (6×12F)	0.36	≤0.22 dB/km @ 1550 nm	-40 to +70 °C
144 × SM G.652.D (12×12F)	0.36	≤0.22 dB/km @ 1550 nm	-40 to +70 °C

Every production length undergoes routine conductor DC resistance, high-voltage Spark/AC dielectric or OTDR continuity and dimensional verification.

Quality & approvals

Testing & inspection

Routine tests on every production length, sample and type tests per batch — documented on an EN 10204 3.1 inspection certificate.

ConductorClass 5 stranding
Spark test100 % in-line
Lay-upCores, earth, fillers
SheathingInner, braid / screen, outer
Electrical testsAC voltage, resistance
DimensionsOD, wall thickness
Inspection documents & dispatchDrum & dispatch

Testing & inspection	Test value / reference	Frequency
Routine tests
Conductor resistance, continuity & dimensional verification (PN-EN 60794-1-2 / IEC 60332-3-22)	DC resistance at 20 °C / optical attenuation and outer diameter within PN-EN 60794-1-2 / IEC 60332-3-22 tolerances	Every manufactured drum length
High-voltage dielectric & insulation resistance test (PN-EN 60794-1-2 / IEC 60332-3-22)	Zero dielectric breakdown and verified insulation resistance over full production length	Every manufactured drum length
Sample tests
Flame propagation, mechanical crush & thermal ageing qualification (PN-EN 60794-1-2 / IEC 60332-3-22)	Verified flame retardancy, mechanical integrity and thermal endurance across -40 to +70 °C	Type qualification & periodic lot audit

Inspection certificate

Issued with every drum, listing the routine test results for that length.

Product approvals

EN 60794-1-2 CompliantEN 10204 3.1 Factory Test CertificateCE, RoHS 2 (2011/65/EU) & REACH

Company certificates

ISO 9001ISO 14001ISO 45001VDE marks approvalUL / cULCE · LVD / EMC

Marking & supply

Ordering & delivery

Sheath marking

TEBAOFLEX YOTKGtsFtZnyn EN 60794-1-2 Optical CE

Delivery form: Heavy-duty export fumigated wooden drums or steel mine reels
Standard lengths: 500 m, 1,000 m or custom continuous shaft/reeling lengths
MOQ: 100 m (standard configurations) · 500 m (custom builds)
Lead time: 2–5 weeks ex-works
Incoterms: EXW, FCA, FOB, CIF, DAP

Technical documents

Downloads

PDFYOTKGtsFtZnyn Steel-Tape Armoured Mining Optical Cable – technical datasheet3 sizes · construction, technical data, approvals XLSXYOTKGtsFtZnyn spec data (Excel)All 3 sizes with dimensions and data, for your BOM or quotation

Revision: 2026-10-24
Updated: 2026-10-24

FAQ

Questions engineers ask first

Not covered here? Send your drawing — an engineer replies within 2 business hours.

What governing standard and construction define YOTKGtsFtZnyn (YOTKGtsFtZnyn Steel-Tape Armoured Mining Optical Cable)?

YOTKGtsFtZnyn (YOTKGtsFtZnyn Steel-Tape Armoured Mining Optical Cable) is manufactured in accordance with PN-EN 60794-1-2 / IEC 60332-3-22 for Optical duty over -40 to +70 °C. Its 5-layer construction comprises Central FRP Rod (CSM), Loose Buffer Tubes (6×12F Gts) and Mining Flame-Retardant Sheath (yn).

What is the minimum bending radius and operating temperature range for YOTKGtsFtZnyn?

The minimum bending radius for YOTKGtsFtZnyn is 15 × OD across its continuous operating temperature range of -40 to +70 °C, ensuring mechanical and dielectric reliability in mining and heavy industrial service.

How are the concentric layers of YOTKGtsFtZnyn arranged from inside to outside?

From inside to outside, the construction sequence is: (01) Central FRP Rod (CSM) (Dielectric Fiber-Reinforced Plastic central strength member); (02) Loose Buffer Tubes (6×12F Gts) (SZ-stranded gel-filled PBT tubes (Red/Green marker + Natural tubes)); (03) Water-Blocking Tape & Black Inner Sheath (Longitudinal swellable tape + black flame-retardant PVC inner bedding); (04) Galvanized Steel Tape Armour (FtZn) (Double helically applied steel tapes (3500 N/100 mm crush resistance)); (05) Mining Flame-Retardant Sheath (yn) (Blue IEC 60332-3-22 Cat. A flame-retardant mining PVC outer jacket).

What factory test certificates are supplied with YOTKGtsFtZnyn?

Every production drum of YOTKGtsFtZnyn undergoes routine conductor resistance/continuity, high-voltage dielectric and dimensional testing per PN-EN 60794-1-2 / IEC 60332-3-22, and is delivered with an EN 10204 3.1 factory test certificate.

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Your selection and application details are copied into the enquiry form below.

01Selected sizes

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02Reel & motion

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03Message for our engineers

YOTKGtsFtZnyn Steel-Tape Armoured Mining Optical Cable

Selected sizes:


Reel & motion:
- Reel type: 
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- Max. acceleration: 
- Cycles per hour: 
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- Ambient temperature: 
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- Destination country: 
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