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AH 400 M4

Technical Data

Type AH 400 M4
Machine Type Motor / Asynchronous
Degree of protection IP 55
Cooling system IC 81W
Rated speed [rpm] 1785
Rated power [kW/kVA] 880
Rated voltage [V] 440
Rated frequency [Hz] 60
Shaft height [mm] 400
Mounting IM B3
Rotor type Squirrel-cage rotor
Excitation -
Application Shipbuilding


  • Bow thruster drive with mounted air/water heat exchanger
  • only for direct coupling
  • thermal monitoring by PT100
  • Anti-condensation heating
  • Double tube circuit cooler for fresh water; with leak monitor
  • Approved in accordance with LRS
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