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AC external rotor motor
As they are easy to assemble, AC motors offer a robust and low-cost solution for small ventilation systems in clean rooms. Energy efficiency can be significantly improved in partial load operation by activating a frequency inverter. The external rotor motor from ZIEHL-ABEGG ideally combines the advantages of a compact and space-saving design with the proven drive concept of a wear-free squirrel-cage motor or a highly efficient EC motor. In conjunction with the associated integrated or external frequency inverter or EC controller, we offer tailor-made and innovative drive solutions for a wide range of applications.
We also supply proven AC technology with ATEX and IECEx certification especially for explosive areas of applications, e.g. in environments containing flammable gases.
Product specification:
- Asynchronous external rotor motors
- Product portfolio includes 9 frame sizes in the output range 0.1 to 7 kW and 2 versions for flange or axle mounting
- Input voltage: 1~230V 50Hz, 3~230V/400V D/Y 50Hz, non-standard voltage and 60Hz solutions available on request
- Protection class IP44, IP54
Properties & special features:
- Compact and space-saving due to external rotor design
- Proven drive concept for wear-free squirrel cage motor
- 100% speed controlled with frequency inverter (recommendation: ZA Fcontrol)
Explosion protected version:
- Available in three sizes:
- MK085
- MK106
- MK137
- Performance options (size): 390–580W (MK085), 280–920W (MK106), 150–2100W (MK137)
- Anti-static surface finish thanks to powder coating in black (RAL 9005)
- Temperature class T3/T4
- Equipment group IIC
- EPL: Gb / Gc
- Zone 1 / 2
- Motor ignition protection type: Ex eb
- Suitable for ambient temperatures: -20 to +40/+60 °C
- Certificates: ATEX, IECEx
Would you like to find out more about explosion protected products from ZIEHL-ABEGG?