Craftsmanship built on 50+ years of coil expertise

Coil manufacturing

Our team takes genuine pride in every coil we produce, delivering more than just components. We understand the critical impact of equipment downtime and respond swiftly to get operators back online—never compromising on quality. With global delivery capability, rapid response for urgent rewind needs, and an efficient, proven workflow from quote to installation, we ensure reliability and speed at every stage.

Sulzer coil is a product of unmatched experience. Every coil we produce is backed by:

  • Decades of experience across thousands of OEM designs
  • Skilled teams supported by in-house engineering
  • Data-driven design, testing, and documentation
  • Advanced insulation systems optimized for reliability and performance

Our coils and bars capabilities

Diamond coils
  • Coil up to 6.5m  
  • Voltage range: LV to 16kV  
  • Resin-rich, global VPI, and hybrid insulation systems
  • Fully designed winding kits  
Stator bars
  • Roebel transposition (180°, 360° & 540°)
  • Hydro and turbogenerator stator bars available
  • 7m pressing capability
  • In house glass/Kapton covering  
Rotor bars
  • Voltage up to 5kV
  • Armature and rotor bars and coils
  • Traction bars
  • In house glass/Kapton covering

Explore our coil manufacturing downloads

Case study

Sulzer delivers bespoke motor redesigns for UK National Grid

ENGLISH pdf
Languages:

Case study

Quick turnaround motor rewind and overhaul

ENGLISH pdf
Languages:

Brochure

Coil manufacturing services

ENGLISH pdf
Languages:

Brochure

High voltage coil manufacturing for hydro power generation

ENGLISH pdf
Languages:

Frequently asked questions

Contact us