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wind turbine tower, DLO & blade grounding power cable IEC 61400-24 LPL I / UL600 V – 2,000 V (-40 to +90 °C)Weather & Oil-Resistant CPE Outer Sh

IEC 61400-24 LPL I (600 V – 2,000 V) Extra-Fine Tinned Copper Wind Turbine Blade Lightning Down-Conductor CableIEC 61400-24 LPL I / UL — 600 V – 2,000 V — -40 to +90 °C Wind Turbine Cable

IEC 61400-24 LPL I (600 V – 2,000 V) Extra-Fine Tinned Copper Wind Turbine Blade Lightning Down-Conductor Cable (IEC 61400-24 LPL I / UL) engineered for 600 V – 2,000 V wind turbine service across -40 to +90 °C (min. bend radius 5 × OD).

Anti-torsion braid

Ozone, UV & moisture

Oil-resistant

Approved

Configuration

Order designation: Blade Lightning Grounding 600V–2kV 1×95 / 4G25 C
Outer Ø ≈: 21.6 mm
Net weight ≈: 1,080 kg/km
Max. pulling ≈: 14.2 kN
Core / stranding: IEC 60228 Class 5 Flexible Cu/SnCu

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: 600 V – 2,000 V
Operating temp.: −40…+90 °C
Min. bend radius: 5 × OD
Core / conductor: Extra-Fine Tinne
Outer protection: Weather & Oil-Re
Standard: IEC 61400-24 LPL

Typical values for this cable type, based on IEC 61400-24 Lightning Protection Level I (200 kA Impulse) Blade Grounding Specification — confirmed in the datasheet and quotation for your order.

Application fit

Is Blade Lightning Grounding 600V–2kV right for your machine?

Fixed installation

Suitable

Compacted Class 2 aluminum or Class 5/K copper conductors with XLPE/EPR/HEPR insulation install cleanly in vertical tower cleats and trays

Free-hanging vertical run

Suitable

Flexible DLO 2 kV, WTTC 1 kV and blade grounding builds absorb nacelle yaw loop torsion and rotor blade flexing down to −40 °C.

Switchgear & control cabinet wiring

Suitable

NSGAFOU 1.8/3 kV short-circuit-proof and UL WTTC/RHW-2 feeders wire directly into nacelle converter cabinets and tower base switchgear.

Offshore platform & shipboard deck trays

Suitable

Heavy-duty CPE, HM4/HFFR LSZH and 5GM3 polychloroprene jackets resist turbine hydraulic oil, condensation, salt spray and UV.

Energy chain / drag chain

Not suitable

Wind tower power feeders and large-cross-section DLO cables are not intended for high-cycle factory drag chains.

Use Drag-Chain Servo Cable

Typical machinesRenewable Energy & EV ChargingWind Turbine Tower Vertical Power Feeders (Cu & Al)North American UL 2277 WTTC & 2 kV DLO Wind TurbinesIEC 61400-24 Wind Blade Lightning Down-ConductorsNacelle Converter Busbars & Transformer Interconnects

Construction

Layer by layer

Shown: Blade Lightning Grounding 600V–2kV (IEC 61400-24 Lightning Protection Level I (200 kA Impulse) Blade Grounding Specification) featuring extra-fine tinned/bare copper conductor (1/c), 600 v – 2,000 v epr / xlpe insulation and weather & oil-resistant cpe outer sheath (3-layer construction).

Schematic, not to scale — generated from the layer data

#	Layer	Material & reference
1	Extra-Fine Tinned/Bare Copper Conductor	Ultra-flexible rope-lay stranded copper resisting blade flexing
2	600 V – 2,000 V EPR / XLPE Insulation	High-impulse dielectric withstanding lightning surge voltages
3	Weather & Oil-Resistant CPE Outer Sheath	Durable chlorinated polyethylene jacket for blade-to-hub routing

Blade Lightning Grounding 600V–2kV — Standard Wind Turbine Execution

Built to IEC 61400-24 Lightning Protection Level I (200 kA Impulse) Blade Grounding Specification with extra-fine tinned/bare copper conductor (1/c) and weather & oil-resistant cpe outer sheath

Blade Lightning Grounding 600V–2kV — Pre-Cut Tower / Drip-Loop Kit

Available on bulk export reels or pre-cut to turbine tower section and nacelle drip-loop lengths

Blade Lightning Grounding 600V–2kV — Cold Torsion & Routine Certified

Supplied with EN 10204 3.1 routine dielectric, conductor DC resistance & cold-torsion qualification report

Technical data

Ratings & operating limits

Typical values: Typical values for this cable type, based on IEC 61400-24 Lightning Protection Level I (200 kA Impulse) Blade Grounding Specification. Values for your order are confirmed in the datasheet and quotation.

Electrical

Rated voltage / operating system: 600 V – 2,000 V (IEC 61400-24 Lightning Protection Level I (200 kA Impulse) Blade Grounding Specification)
Core / conductor construction: Extra-Fine Tinned/Bare Copper Conductor (1/C) — Ultra-flexible rope-lay stranded copper resisting blade flexing
Primary dielectric / insulation: 600 V – 2,000 V EPR / XLPE Insulation — High-impulse dielectric withstanding lightning surge voltages

Thermal

Continuous operating temperature: −40…+90 °C (wind turbine nacelle, hub & tower duty)
Low-temperature torsion & cold bend: Verified cold-flex and torsion endurance across −40…+90 °C per IEC 61400-24 Lightning Protection Level I (200 kA Impulse) Blade Grounding Specification
Storage & transport temperature: −40…+80 °C on export wooden/steel cable drum

Mechanical

Outer jacket / sheath protection: Weather & Oil-Resistant CPE Outer Sheath — Durable chlorinated polyethylene jacket for blade-to-hub routing
Minimum bending radius: 5 × OD
Intermediate screen / separator / core layer: 600 V – 2,000 V EPR / XLPE Insulation — High-impulse dielectric withstanding lightning surge voltages

Resistance

Oil, grease, ozone & UV resistance: Resistant to wind turbine gearbox oil, hydraulic fluid, ozone and UV weathering per IEC 61400-24 Lightning Protection Level I (200 kA Impulse) Blade Grounding Specification
Flame retardancy & smoke/halogen emission: Flame-retardant and environmental performance verified per IEC 61400-24 Lightning Protection Level I (200 kA Impulse) Blade Grounding Specification
RoHS & REACH compliance: RoHS 2 (2011/65/EU + 2015/863) & REACH SVHC compliant

Reference standards

Governing standard: IEC 61400-24 Lightning Protection Level I (200 kA Impulse) Blade Grounding Specification
Conductor & flame/test standards: IEC 60228 / IEC 60332-1-2 & -3 / UL 2277 WTTC / EN 10204
Quality management & inspection: ISO 9001:2015 & EN 10204 3.1 factory routine inspection

Identification

Model designation: Blade Lightning Grounding 600V–2kV
Sheath colour & metre marking: Continuous metre-marked black outer finish (Weather & Oil-Re)
Customs tariff (HS): 8544.49 / 8544.60

Sizes

3 standard Blade Lightning Grounding 600V–2kV wind turbine configurations

Manufactured to IEC 61400-24 Lightning Protection Level I (200 kA Impulse) Blade Grounding Specification for wind turbine yaw drip-loop, pitch control, tower power and converter applications.

Dimensions, tensile load & weights
Order designation	Configuration	Core / stranding	Outer Ø ≈ mm	Net weight ≈ kg/km	Max. pulling kN ≈	Min. bend R mm
Blade Lightning Grounding 600V–2kV Construction Schedule (−40…+90 °C)
Blade Lightning Grounding 600V–2kV 1×95 / 4G25 C	1 × 95 mm² (or 4G25 mm² / 3/0 AWG)	IEC 60228 Class 5 Flexible Cu/SnCu	21.6	1,080	14.2	110
Blade Lightning Grounding 600V–2kV 1×185 / 4G50	1 × 185 mm² (or 4G50 mm² / 373 kcmil)	IEC 60228 Class 5 Flexible Cu/SnCu	27.8	1,960	27.5	140
Blade Lightning Grounding 600V–2kV 1×300 / 4G95	1 × 300 mm² (or 1×535/777 kcmil)	IEC 60228 Class 5 Flexible Cu/SnCu	34.6	3,120	45.0	175

Typical values for this cable type; dimensions and weights for your order are confirmed in the quotation.
Custom conductor cross-sections, core counts, pre-lugged tower kits and drum lengths available per IEC 61400-24 Lightning Protection Level I (200 kA Impulse) Blade Grounding Specification.

Electrical & thermal parameters
Configuration	Max. DC R₂₀ Ω/km	Rating / Impedance	Operating temp.
1 × 95 mm² (or 4G25 mm² / 3/0 AWG)	0.21	600 V – 2,000 V (320 A Cu)	−40…+90 °C
1 × 185 mm² (or 4G50 mm² / 373 kcmil)	0.11	600 V – 2,000 V (495 A Cu)	−40…+90 °C
1 × 300 mm² (or 1×535/777 kcmil)	0.06	600 V – 2,000 V (680 A Cu)	−40…+90 °C

Every production length undergoes routine conductor DC resistance, AC high-voltage spark/dielectric 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 DC resistance & dimensional verification (IEC 61400-24 Lightning Protection Level I (200 kA Impulse) Blade Grounding Specification)	DC resistance at 20 °C and insulation/sheath wall thickness within IEC 61400-24 Lightning Protection Level I (200 kA Impulse) Blade Grounding Specification limits	Every manufactured drum length
AC high-voltage dielectric & insulation resistance test (IEC 61400-24 Lightning Protection Level I (200 kA Impulse) Blade Grounding Specification)	Zero dielectric breakdown and verified insulation resistance for 600 V – 2,000 V rating	Every manufactured drum length
Sample tests
Low-temperature drip-loop torsion, oil & flame qualification (IEC 61400-24 Lightning Protection Level I (200 kA Impulse) Blade Grounding Specification)	Verified cold torsion cycle endurance, oil resistance and flame retardancy across −40…+90 °C	Type qualification & periodic lot audit

Inspection certificate

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

Product approvals

IEC 61400-24 LPL I / UL 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 Blade Lightning Grounding 600V–2kV IEC 61400-24 LPL I / UL 600 V – 2,000 V CE

Delivery form: Heavy-duty export fumigated wooden drums, steel reels or pre-cut wind turbine tower & drip-loop kits
Standard lengths: 500 m, 1,000 m or custom cut-to-length nacelle drip-loop and tower section sets
MOQ: 100 m (standard configurations) · 300 m (custom wind builds)
Lead time: 2–4 weeks ex-works
Incoterms: EXW, FCA, FOB, CIF, DAP

Technical documents

Downloads

PDFIEC 61400-24 LPL I (600 V – 2,000 V) Extra-Fine Tinned Copper Wind Turbine Blade Lightning Down-Conductor Cable – technical datasheet3 configurations · 3-layer construction, technical data, approvals XLSXBlade Lightning Grounding 600V–2kV spec data (Excel)All 3 configurations with dimensions and ratings, for your BOM or quotation

Revision: 2026-10-27
Updated: 2026-10-27

FAQ

Questions engineers ask first

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

What governing standard and construction define Blade Lightning Grounding 600V–2kV (IEC 61400-24 LPL I (600 V – 2,000 V) Extra-Fine Tinned Copper Wind Turbine Blade Lightning Down-Conductor Cable)?

Blade Lightning Grounding 600V–2kV (IEC 61400-24 LPL I (600 V – 2,000 V) Extra-Fine Tinned Copper Wind Turbine Blade Lightning Down-Conductor Cable) is manufactured in accordance with IEC 61400-24 Lightning Protection Level I (200 kA Impulse) Blade Grounding Specification for 600 V – 2,000 V wind turbine service over -40 to +90 °C. Its 3-layer construction comprises extra-fine tinned/bare copper conductor (1/c), 600 v – 2,000 v epr / xlpe insulation and weather & oil-resistant cpe outer sheath.

What is the minimum bending radius and operating temperature range for Blade Lightning Grounding 600V–2kV?

The minimum bending radius for Blade Lightning Grounding 600V–2kV is 5 × OD across its continuous operating temperature range of -40 to +90 °C, ensuring mechanical torsion resistance and dielectric reliability in wind turbine nacelles, hubs and towers.

How are the concentric layers of Blade Lightning Grounding 600V–2kV arranged from inside to outside?

From inside to outside, the construction sequence is: (01) Extra-Fine Tinned/Bare Copper Conductor (1/C) — Ultra-flexible rope-lay stranded copper resisting blade flexing; (02) 600 V – 2,000 V EPR / XLPE Insulation — High-impulse dielectric withstanding lightning surge voltages; (03) Weather & Oil-Resistant CPE Outer Sheath — Durable chlorinated polyethylene jacket for blade-to-hub routing.

What factory test certificates are supplied with Blade Lightning Grounding 600V–2kV?

Every production drum of Blade Lightning Grounding 600V–2kV undergoes routine conductor DC resistance, AC high-voltage dielectric and dimensional testing per IEC 61400-24 Lightning Protection Level I (200 kA Impulse) Blade Grounding Specification, and is delivered with an EN 10204 3.1 factory test certificate.

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01Selected sizes

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03Message for our engineers

Blade Lightning Grounding 600V–2kV IEC 61400-24 LPL I (600 V – 2,000 V) Extra-Fine Tinned Copper Wind Turbine Blade Lightning Down-Conductor Cable

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