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T +49 5066 90333-0



05.05.2017 HELMKE - Hannover Fair 2017 Electrical Machines and Drives expertise and innovation since 1922 [ [more] ]

6 MW HELMKE FULL LOAD TEST FIELDTo meet customers requirements and HELMKE's aspiration to work always with state of the art technologies, the HELMKE Group has invested in a new testing field on its location in Pulversheim, France. The testing field is also available for final customer inspections and external testing orders.[ [more] ]

HELMKE 24/7 DELIVERY PROGRAM 5 MW SOFTSTARTER AVAILABLE FROM STOCKThe HELMKE group, with a heritage of motor and generator sales/stock­ keeping/production going back more than 90 years, is continuously investing in its production facilities and its extensive stock. [ [more] ]

Motors for explosive atmospheres

Since decades Helmke has delivered electric motors for the application in hazardous areas.

Zone 2 Ex nA non-sparking
Zone 1 Ex e increased security
            Ex d flameproof enclosure
            Ex p pressurized enclosure

For the application in zone 2 we can test and approve motors and converters of variable speed drives as unit in our system test facilities. We laid the following foundations to build explosion-proof motors:

  • Quality management system acc. to ISO 9001:2008
  • Additional audit for explosion-proof production acc. to ATEX,
    Directive 94/9/EC
  • Qualified person
  • Achievement of corresponding test possibilities
  • Close co-operation with Notified Bodies

Three-Phase Squirrel Cage Motors in explosion-proofed design High-Voltage Type DDOR (EExd II CT4) and DEDOR (EExde II CT4). The Helmke motor series provide reliability and safety.

Reference Oil and Gas

Saudi Aramco Shell Refinery Corporation,
Ultra Low Sulphur Diesel Project

  • 16 high voltage motors, non-sparking
    • 150 – 1400 kW
    • 3540 – 3575 rpm
    • IEC frame size 200 – 500
    • Mounting type IM B3
  • 104 low voltage motors
    • 88 non-sparking for DOL use
    • 16 Ex d e IICT4 with VSD- cabinets

All motors according to Shell DEP

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