HELMTECH – A state of the art and manufacturer-independent, processing, assembly and testing facility for large rotating electrical machines and drive systems at the heart of Europe



  • 100 ton
  • 10.5 m
  • 2000 m²

Our technical facilities and competencies for the success and quality assurance of your project:

  • Crane and logistics capacities: 2 x 50 ton double girder overhead travelling cranes, each with two trolleys with 10.5 m hook height. 2000 m² area accessible by crane. Auxiliary cranes 5 t and 3 x 2 ton.
  • Testing and measuring equipment: No-load and load test benches for motors and drive systems up to 5 MW and up to 12 kV.
  • Geometric, mechanical measurements.
  • Machining and processing machines: mechanical processing and surface treatment of electrical machines.

Technical Services

Metrology services for industry. On-site and on-premise.

Absolute distance measurement with resolution of 0.1 μm and accuracy of 10 μm over typical working range of 320 m, powered by Leica Geosystems absolute laser trackers.

  • Laser alignment
  • Reverse engineering
  • Quality inspection

Versatile testing acc. to international technical standards (EN 60034, EN 61800) or acc. to customer specification. Proprietary testing field technology.

No-load testing field for LV/HV equipment up to 5 MW and up to 12 kV
Full-load testing field for LV equipment up to 315 kW and up to 690 V

  • Product R&D
  • Product quality assurance
  • Efficiency determination for motors falling under the scope of Commission Regulation (EU) 2019/1781 laying down ecodesign requirements for electric motors and variable speed drives
  • Witnessed factory acceptance tests

Reconditioning of capital equipment. On-site and on-premises.

Modern equipment for the surface treatment and drying of large electrical machines and components.
Machine park optimized for custom repair and modification of components.

  • Sandblasting & painting
  • Water jet cleaning
  • Drying
  • Machining and reconditioning of shafts

Final assembly and storage of equipment as service. Project management, including technical processing and logistics for the production of new equipment.

Versatile assembly bay with 2 ton, 5 ton, 25 ton, 50 ton and 100 ton combined lifting capacities.
Established electromechanical workshop and flexible logistics infrastructure.

  • Project management
  • Assembly acc. to technical drawings
  • Documentation
  • Storage of equipment as service


What can we do for you?

We can support you – with specialized expertise and technology know-how as well as for general inquiries or product advices in order to meet your specific demands.

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Ludwig-Erhard-Ring 5
31157 Sarstedt

Phone: +49 5066 90 333-182
Fax: +49 5066 90 333-145