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PN-G-90006 Polish Underground Mining Power & Control Cables (YnOGY / YKGY / YHKGY)PN-G-90006 · YKGYyn-żo0.6/1 kV · Class 5 Flexible Cu (G)PVC Inner (Y) + FR-PVC Outer (yn)

YKGYyn-żo CablePN-G-90006 0.6/1 kV PVC-insulated (Y), Class 5 Cu (G), PVC inner sheath (Y) & FR-PVC

YKGYyn-żo Cable is a Polish-standard (PN-G-90006 / PN-E-90401) 0.6/1 kV unarmoured double-sheathed underground mining power and control cable ('K') constructed with flexible Class 5 copper conductors ('G') including a green-yellow protective core ('-żo')

Flame-retardant
Oil-resistant
Water-resistant
Approved
Order designation
YKGYyn-żo 4 × 6.0 mm² 0.6/1 kV
Outer Ø ≈
17.2 mm
Copper weight
230 kg/km
Total weight ≈
490 kg/km
Min. bend R (fixed)
138 mm
All sizes (6)
Request a quoteDatasheetWhatsApp
Engineering reply in 2 business hoursCut-to-length export drumsEN 10204 3.1 certificate per drum
Standard
PN-G-90006
Polish underground mining specification
Designation
YKGYyn-żo
Y (PVC) · K · G (Cl.5) · Y (inner) ·
Rated voltage
0.6/1 kV AC
3.5 kV AC / 5 min dielectric test
Conductor
Class 5 Flexibl
PN-EN 60228 flexible copper
Double sheath
Y Inner + yn
Gas-tight circular gland profile
Protective core
-żo (Green-Yell
Integral PE protective conductor

Typical values for this cable type, based on PN-G-90006 / PN-E-90401 (YKGYyn-żo 0.6/1 kV Double-Sheathed Mining Power Cable) — confirmed in the datasheet and quotation for your order.

Application fit

Is YKGYyn-żo right for your machine?

Engineered for fixed and semi-fixed 0.6/1 kV underground mine gallery distribution, conveyor motor feeds, and multi-core control/signalling circuits suspended along roadway walls and roof supports.

Fixed installation

Suitable

Double PVC sheath (Y + yn) provides enhanced radial tear and abrasion resistance on underground messenger hooks.

Switchgear & control cabinet wiring

Suitable

Full extruded PVC inner sheath ('Y') guarantees a concentric gas-tight seal in flameproof Ex d cable glands.

Immersion & wet locations

Suitable

Two independent extruded PVC sheaths protect the insulated cores against corrosive mine water and stone dust.

Energy chain / drag chain

Not suitable

Fixed/semi-fixed underground gallery power cable.

YnKGY-żo
Typical machinesUnderground coal & copper mine galleriesFlameproof gate-end box & motor feedersUnderground lighting & signalling trunksMine preparation & shaft-bottom substations

Construction

Layer by layer

Flexible multi-wire stranded copper conductors (PN-EN 60228 Class 5, 1.5 to 120 mm²), PVC core insulation ('Y') with green-yellow

1234
Schematic, not to scale — generated from the layer data
#LayerMaterial & reference
1Flexible Class 5 copper conductor (G)Multi-wire flexible annealed copper per PN-EN 60228 Class 5PN-G-90006 / PN-EN 60228
2PVC core insulation (Y) with -żo coreInsulating polyvinyl chloride (PVC) compound; one core Green-Yellow (-żo)PN-G-90006 / HD 308 S2
3Extruded PVC inner sheath (Y)Pressure-extruded PVC inner sheath filling core intersticesPN-G-90006
4Flame-retardant mining PVC outerSelf-extinguishing, oil- and abrasion-resistant mining PVC compound (yn) with highPN-G-90006 / PN-EN 60332-1-2

YKGYyn-żo Multi-Core Control (5×1.5 to 24×2.5 mm²)

Double-sheathed flexible control and signalling cables for underground mining automation.

YKGYyn-żo Gallery Power (4×6.0 to 4×120 mm² / 5×6.0 to 5×70 mm²)

0.6/1 kV flexible 4-core and 5-core underground gallery power feeders.

Technical data

Ratings & operating limits

Typical values: Typical values for this cable type, based on PN-G-90006 / PN-E-90401 (YKGYyn-żo 0.6/1 kV Double-Sheathed Mining Power Cable). Values for your order are confirmed in the datasheet and quotation.

Electrical

Rated voltage U0/U
0.6/1 kV AC (600/1000 V)
AC dielectric test voltage
3,500 V AC for 5 minutes
Max. conductor operating temp.
+70 °C continuous · +160 °C short-circuit
Min. insulation resistance @ 20 °C
≥ 20 MΩ·km

Thermal

Operating temperature range
-25 °C to +70 °C (fixed) · -5 °C to +70 °C
Minimum installation temp.
-5 °C

Mechanical

Min. bending radius
8 × overall diameter (D)
Sheath construction
Double extruded sheath: PVC inner ('Y') +

Resistance

Flame retardance
PN-EN 60332-1-2 & PN-G-04035 mining flame
Mine water & oil resistance
Resistant to acidic/saline mine water and

Reference standards

Primary specification
PN-G-90006 · PN-E-90401 · WUG underground
Conductor standard
PN-EN 60228 Class 5

Identification

Core identification
Green-Yellow (-żo) + HD 308 S2 colours (or
Outer sheath colour
Black (or Yellow mining visibility sheath)

Sizes

6 standard configurations (YKGYyn-żo)

Nominal dimensions, copper weights, DC resistance and current ratings for YKGYyn-żo per PN-G-90006 / PN-E-90401 (YKGYyn-żo 0.6/1 kV Double-Sheathed Mining

Dimensions & weights
Order designationCores × SizeMain cross-sectionOuter Ø ≈
mm		Copper
kg/km		Weight ≈
kg/km		Min. bend R
fixed mm		Enquiry
Standard YKGYyn-żo configurations
YKGYyn-żo 5 × 2.5 mm² 0.6/1 kV5G 2.5 mm²2.5 mm²14.6120325117
YKGYyn-żo 4 × 6.0 mm² 0.6/1 kV4G 6.0 mm²6.0 mm²17.2230490138
YKGYyn-żo 4 × 16 mm² 0.6/1 kV4G 16 mm²16.0 mm²23.86141,040190
YKGYyn-żo 4 × 35 mm² 0.6/1 kV4G 35 mm²35.0 mm²31.41,3441,960251
YKGYyn-żo 4 × 70 mm² 0.6/1 kV4G 70 mm²70.0 mm²41.22,6883,580330
YKGYyn-żo 4 × 120 mm² 0.6/1 kV4G 120 mm²120.0 mm²51.84,6085,890414
  • Typical values for this cable type; dimensions and weights for your order are confirmed in the quotation.
  • Outer diameters and weights are nominal factory values subject to ±5 % manufacturing tolerance per PN-G-90006 / PN-E-90401 (YKGYyn-żo 0.6/1 kV Double-Sheathed Mining Power Cable).

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.

  1. ConductorClass 5 stranding
  2. Spark test100 % in-line
  3. Lay-upCores, earth, fillers
  4. SheathingInner, braid / screen, outer
  5. Electrical testsAC voltage, resistance
  6. DimensionsOD, wall thickness
  7. Inspection documents & dispatchDrum & dispatch
Testing & inspectionTest value / referenceFrequency
Routine tests
3.5 kV AC dielectric & spark test3,500 V AC for 5 min per PN-G-90006100 % of drums
Class 5 conductor DC resistance @ 20 °CPN-EN 60228 Class 5 resistance verification100 % of drums
Sample tests
Inner 'Y' & outer 'yn' sheath thickness & LOIDouble-sheath dimensions & oxygen index ≥ 29 %Per production batch
PN-EN 60332-1-2 & PN-G-04035 mining flame testPass Polish underground mining fire propagation testWUG / type approval

Inspection certificate

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

Product approvals

PN-G-90006 / PN-E-90401PN-EN 60332-1-2CE / WUG Compliant

Company certificates

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

Marking & supply

Ordering & delivery

Sheath marking

TEBAOFLEX YKGYyn-zo 0.6/1KV PN-G-90006
Delivery form
Non-returnable timber drums or heavy export
Standard drum lengths
250 m · 500 m · 1000 m · custom cut lengths
MOQ
100 m (stock variants) · 500 m (custom)
Lead time
2–4 weeks ex-works
Incoterms
EXW, FOB, CIF, DAP

Technical documents

Downloads

PDFYKGYyn-żo Cable – technical datasheet6 sizes · construction, technical data, approvalsXLSXYKGYyn-żo spec data (Excel)All 6 sizes with dimensions and data, for your BOM or quotation
Revision
2026-10-20
Updated
2026-10-20

FAQ

Questions engineers ask first

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

How do the letters in 'YKGYyn-żo' decode under PN-G-90006?
'Y' = PVC core insulation; 'K' = power cable (kabel elektroenergetyczny); 'G' = flexible multi-wire Class 5 copper conductors (żyły giętkie); 'Y' = extruded PVC inner sheath; 'yn' = flame-retardant mining PVC outer sheath (powłoka polwinitowa uniepalniona); and '-żo' = with green-yellow protective earth conductor.
Why does YKGYyn-żo use Class 5 flexible conductors ('G') instead of rigid Class 1/2 conductors?
In underground mine galleries, transformer substations and conveyor drive heads are periodically advanced as the mining face progresses. Class 5 flexible copper conductors ('G') allow YKGYyn-żo to be unhooked, coiled, and re-hung without work-hardening or breaking conductors. Each production drum undergoes 100 % conductor
How does YKGYyn-żo differ from YHKGYyn?
YKGYyn-żo is an unscreened double-sheathed cable, whereas YHKGYyn incorporates an electrostatic/semi-conductive screen ('H') between the inner and outer sheaths for methane-hazardous roadways. Each production drum undergoes 100 % conductor DC resistance verification, insulation thickness gauging, and high-voltage AC or DC dielectric testing before release
Is YKGYyn-żo available without the green-yellow core?
Yes. When ordered for 3-phase delta circuits or control trunks without an integral PE core, it is designated YKGYyn-o. Each production drum undergoes 100 % conductor DC resistance verification, insulation thickness gauging, and high-voltage AC or DC dielectric testing before release with an EN

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