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ELECTROMASHElectrical machines since 1959
General-Purpose Motors · AM series

AM 250M

Standard IEC three-phase asynchronous motors, cast-iron frame, IE3 as standard and IE4 on request.

General-purposeIE4IP55
Technical data

Full specification

Attributes marked as family-specific are recorded for this product family only. Hover a label for its definition.

Identification

Series
AM
Frame size
250M

Electrical data

Rated power
55 kW
Rated voltage
400 V
Frequency
50 Hz
Rated speedF
1480 rpm
Number of polesF
4
Efficiency classF
IE4
EfficiencyF
93.9 %
Power factorF
0.88
Rated currentF
97.8 A
VFD operationF
Yes

Mechanical data

Mounting arrangement
IM B3
Construction
Horizontal
Mass
410 kg
Overall dimensions
890 × 500 × 560 mm
Rotor typeF
Squirrel cage

Protection and cooling

Degree of protection
IP55
Cooling method
IC 411

Operating conditions

Climatic version
U1 (temperate)
Duty type
S1
Same series

Other frame sizes in AM

Variants share the design, the certification route and the documentation. Only the rating and the frame differ.

FramePowerVoltageMass
80B1.1 kW400 V15 kgView →
100L3 kW400 V29 kgView →
132S5.5 kW400 V62 kgView →
160L18.5 kW400 V130 kgView →
200L37 kW400 V275 kgView →
315M110 kW690 V890 kgView →
400M400 kW6000 V2900 kgView →

Documentation

  • CatalogueGeneral-Purpose Motors — Product Catalogue
    PDF · 11.2 MB · Rev. 07
    Download (mock)
  • Data sheetAM Series — Data Sheet
    PDF · 1.4 MB · Rev. 06
    Download (mock)
  • DrawingAM Series — Dimensional Drawings (frames 80–400)
    PDF + DWG · 18.3 MB · Rev. 05
    Download (mock)
  • ManualInstallation, Operation and Maintenance Manual — Motors
    PDF · 3.6 MB · Rev. 08
    Download (mock)
  • QuestionnaireTechnical Questionnaire — Electric Motors
    PDF / online form · 0.3 MB · Rev. 02
    Download (mock)