Multi-core power and control cable for the nacelle-to-tower loop and pitch runs, where the cable twists in both directions for the life of the turbine.
In a wind turbine the cable loop between nacelle and tower is a wear item. Every yaw movement adds torsion, and the pitch system reverses direction on every gust. ZMS torsion-resistant cable uses fine-strand copper, an EPR or XLPE insulation and a PUR sheath, with a lay length chosen so the cores share the twist instead of one core taking it all.
| Rated voltage | 0.6/1 kV · 1.8/3 kV |
|---|---|
| Conductor | Fine-strand copper, Class 5 / 6 |
| Insulation | EPR or XLPE |
| Sheath | PUR or PCP |
| Torsion | ±150 ° per metre, 3 million cycles |
| Temperature | −40 °C to +90 °C |
| Bending radius | 6 × OD moving, 4 × OD fixed |
| Flame | IEC 60332-1-2 |
| Standard | IEC 60502-1, TÜV 2 PfG 2577 |
| Packing | 500 m / 1000 m drums, cut loop lengths |
Typical values. Final construction is confirmed on the order datasheet.
Request This ProductTell us the system voltage, conductor size, length and destination. We can prepare a construction drawing and sample for review.
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Email: sales@zmscable.com
Cable is packed so it can be pulled without a re-reel, and documented so the site team can match each drum to the test report.
Wooden or steel-wooden drums for constructions above 16 mm², with lagging and a PE wrap. Drum diameter is selected so the cable is not bent below its minimum bending radius.
Small sizes and short lengths are supplied as coils in cartons or on pallets, wrapped and labelled with the same drum numbers used in the packing list.
Continuous length is measured during rewinding, and the delivered length is stated on the drum plate and the packing list. Short-length tolerance is agreed in the order.
Each drum is marked with product description, size, voltage rating, standard, length, gross weight, drum number and the project or PO reference.
Drum layout and quantity per 20′ or 40′ container are planned by diameter and weight; a loading plan is issued before shipment.
Commercial invoice, packing list, bill of lading and certificate of origin are issued for the shipment; FOB, CIF and DAP terms are quoted on request.
| Packing | Wooden / steel-wooden drum, coil or carton |
|---|---|
| Standard length | 500 m, 1000 m or as agreed |
| Drum marking | Product, size, length, standard, PO no. |
| Documents | Test report, packing list, CO, B/L |
| Lead time | Typically 15–25 working days |
Lead time is confirmed on the order acknowledgement and starts after drawing approval.
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