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AKH 循环风机驱动电机（Circulating fan-drive motors）
AKH 循环风机驱动电机（Circulating fan-drive motors）
Specifications
Shaft height: 80 to 355 mm
Power: up to 160 kW
Speed range: 0 to 3.000 rpm
Duty cycle: S1
Efficiency classes: IE 2 / IE 3
Cooling: IC 411 (self-ventilated)
Cooling: IC 70W (water cooling)
Voltage: 400 V / 50 Hz
Insulation class: F
Mounting: IM B5
SDegree of protection: IP 54
Vibration severity grade: A
Ambient temperature: -20 to 40 °C
Installation altitude: up to 1.000 m
Options of electrical design
Optimized for frequency converter operation
Insulation class H
Winding temperature monitoring by thermo switch, PTC resistor or Pt100
With external fan (axial or radial)
Dimensioning as 2, 4, 6, 8, 10, 12, 24 or 36- pole motors (167 to 3000 rpm at a 50 Hz-mains)
Pole-changing motors (Dahlander) 4/2, 8/4, 12/6 –pole
Pole-changing motors (separate winding) 4/2 to 36/2, 6/4 to 36/4, 12/4/2 to 36/4/2
