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11,000 V Slip ring motor replacement within three days

Electric motor manufacturer Menzel Elektromotoren from Berlin, ended a serious production interruption at a cement plant in Great Britain. After only three days following the failure of both the mill drive and the existing reserve motor, the plant operators suddenly faced a full-scale production shutdown. On a Friday night, they turned to German motor manufacturer Menzel with a request for the delivery of a replacement slip ring motor – and by Monday, an identical motor with customized modifications had already left the workshop of Menzel Berlin. A prolonged and very costly production downtime was thus averted in record time.

Such a quick response was possible mainly because of Menzel's comprehensive stock of over 20,000 motors in a power range up to 15,000 kW. A suitable slip ring motor with 2,300 kW, 11,000 V nominal voltage and a speed of 992 min-¹ that matched the original motor's features – namely constantly running brushes, roller bearings for grease lubrication, and two free shaft ends – was therefore readily available. The availability of in-house load test fields at Menzel also contributed substantially to the very fast delivery time.

Technical characteristics:

  • Type: MEBSSL630G-06
  • Rated Power: 2,300 kW
  • Voltage: 11,000 V
  • Frequency: 50 Hz
  • Poles: 6
  • Rated Speed: 992 min-1
  • Mounting: IM B3
  • Protection: IP 55
  • Cooling: IC 611
  • Weight: 15,000 kg
11,000 V slip ring motor replacement for cement mill in UK
Motor test of the 11,000 V slip ring motor for UK
Completion for shipment of a 11,000 V slip ring motor for UK