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