Bauer Gear Motor

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Precision and technical perfection are only one side of the coin with Bauer Gear Motor. The deciding factors behind their work are the individual problems of our customers. They regard these as a challenge and offer tailor-made, comprehensive solutions. It is frequently a matter of countering severe operating conditions. Great cold, heat, dust, dirt and spray-water demanded much commitment, know-how and creativity. Today, they do everything to achieve the optimum for you. Whether it is difficult applications or economic solutions in particular, you can be sure of their commitment with Bauer Gear Motor.


CatalogEnergy Efficient Geared Motors – AC Line
CatalogEnergy Efficient Motors – AC Variable Speed


Bauer Gear Motor Products

  • IE4 Geared Motors
  • IE4 Geared Motors in EX
  • Helical Geared Motor-BG
  • Shaft Mounted Geared Motor-BF
  • Bevel Geared Motor-BK
  • Worm-Geared Motor-BS
  • Monorail-Geared Motor-BM
  • Bauer Aseptic DriveTM
  • Bauer C-Adapter

IE4 Geared Motors in EX

PM Synchronous Geared Motors for Explosion Hazardous Areas

The S series of permanent magnet synchronous motors (PMSM) from Bauer Gear Motor GmbH now offers variable-speed motors in efficiency class IE4 for use in explosion hazardous areas. This is the highest energy efficiency that can be achieved with the current state of motor technology.

IE4 Geared Motors in EX

Main features

  • Protection type: Increased Safety – Zone 1
    II 2 G Ex e IIC T1 – T3 Gb
  • Dust explosion protection – Zone 21
    II 2 D Ex tb IIIC T 160°C … 120° Db
  • Up to 39% more energy savings compared to IE2
  • Short amortisation period
  • Small installation space
  • Compact drive unit
  • More torque with same motor frame size
  • Requires smaller installation space with same power
  • Reduced number of variants thanks to higher efficiency over the entire speed range
  • Design security thanks to reserves in drive unit capacity
  • Technology leader
  • Already meets the efficiency requirements of future standards
  • Completely enclosed, sealed against dust and water spray
  • Lubrication change first after 15000 hrs
  • Low noise gearing
  • Enclosure IP65 (Standard), IP66 (Optional)
  • Connection Standard with CAGE CLAMP®
  • CE-Mark
  • ISO9001, ISO14001, OHSAS18001
  • Motors according to EN 60034
  • Corrosion protection