AKH 回转和起重电机

AKH 回转和起重电机

Specifications

Shaft height: 112 to 450 mm

Power: up to 350 kW

Speed range: up to 3.000 U/min

Duty cycle: S1

Cooling: IC 411 (self-ventilated)

Voltage: 400 V / 50 Hz

Insulation class: F

Mounting: IM B3 / B5

Degree 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

AC motors with slip ring rotor

Rated power for short term operation (S3)

Efficiency classes IE 2, IE 3, (IE 4)

With external fan

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

Special voltages and -frequencies

Insulation class H

Higher ambient temperature and installation altitude over 1.000 m

Winding temperature monitoring by thermo switch, PTC resistor or Pt100

Anti-condensation heating


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