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AEG AM225MP4

Series: Other models

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The AM225MP4 from AEG is a three-phase induction motor. The rated output is 45 kW. The motor is four-pole, which at 50 Hz gives a synchronous speed of 1,500 rpm. The rated voltage is 400 V. The housing is frame size 225 M in foot-mounted form. The protection class is IP55. The efficiency is 94 per cent at full load, 93.9 per cent at 75 per cent load and 92.5 per cent at half load. Mounting arrangements to IEC 60034-7: B3 and B5. The motor is built in Spain. The figures come from the Australian MEPS register under standard AS/NZS 1359.5:2004; measured to IEC 60034-2-1 (Edition 2.0). Rated output across the AEG range ranges from 0.75 to 160 kW; the AM225MP4 sits in the lower part of that range with 45 kW. Its immediate neighbours are the JM1 225S-4 below it with 37 kW and the AM250MP2 above it with 55 kW. 121 AEG models are on record. The model is listed under Electric motors. 22 verified figures from 1 source are on file.

AEG – other models: the collective page of MEPS-registered three-phase motors outside the named ranges, frame sizes 80 to 315, 0.75 to 160 kW, manufactured in Spain and Italy

This page gathers the three-phase motors carried in the Australian energy-efficiency register under the AEG brand, which the register does not assign to a named range. AEG (Allgemeine Elektricitäts-Gesellschaft) is a long-established brand with roots in nineteenth-century Berlin; the original company no longer exists as an independent group, and the brand name is today carried in various product segments by separate licensees, in industrial motors apparently with manufacturing in Spain and Italy. The type designations follow the scheme AM with frame size, a letter code for winding or efficiency variant, and pole count, e.g. AM100LAA2 or AM132MZA6.

Read on 3 more paragraphs

The register lists here 87 versions with 0.75 to 160 kW, two- to six-pole, full-load efficiencies from 72 to 95.9% and at 75% load from 73 to 95.7%. Frame sizes run from 80 to 315 under IEC, mostly in protection rating IP55. Manufacturing countries recorded are Spain for the largest share, Italy for a further share and China for the rest; testing followed chiefly the 2012 GEMS determinations, alongside AS/NZS 1359.5:2004 and the 2019 determinations. Under the Australian High Efficiency Level only two of the 87 motors reach the older 2001 level, the remaining 85 carry no classification. Mounting codes are dominated by combinations of B3/B5/B14/B34 and the plain foot-flange form B3/B5.

The page thus shows that the AEG brand in industrial motors is today served chiefly by European plants in Spain and Italy, supplemented by a smaller share of Chinese manufacture; in the broad field of IEC standard motors the programme competes with major European makers such as Siemens and ABB without matching their market position.

When buying used, what matters is bearing condition and a checked insulation resistance of the winding, visible overheating marks on the terminal box and fan cover, the condition of shaft and key, and a legible nameplate with frame size, pole count and efficiency class; since only two motors reach an efficiency class at all, for continuous duty it is worth comparing against current IE2/IE3 alternatives. Spares depend on which licensee manufactured the particular motor.

Sources: Kennwerte der Modelle AEG (weitere Modelle, MEPS-Registrierungen)

Technical data

Engine

Rated output45 kWcorrect

Electrical data

Rated voltage400 Vcorrect
Number of poles4correct
Protection classIP55correct
Frame size225 M (foot)correct
Mounting (IEC 60034-7)B3, B5correct
Efficiency at full load94 %correct
Efficiency at 75 % load93.9 %correct
Efficiency at half load92.5 %correct

Origin and approval

Country of manufactureSpaincorrect

Other data

Standard appliedAS/NZS 1359.5:2004correct
Test methodIEC 60034-2-1 (Edition 2.0)correct

Frequently asked questions

How much power does the AEG AM225MP4 have?

The AEG AM225MP4 delivers 45 kW.

What to check before buying

  • Match the data plate against the order: frame size, mounting and rating have to agree.
  • Check the ingress rating against the installation site — outdoors or in dust the demands differ.
  • Hold the mounting form and dimensions against the existing seat before ordering.
  • The pole count sets the speed — when replacing an older unit, compare this first.
  • For used units, ask about winding condition and bearing play.
  • Ask about parts availability for this series — the running costs hang on it.

A general list for this type of machine — no substitute for an inspection or an appraiser.

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This page carries 22 individual figures for this model. They come from 1 recorded source; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.

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Other models in this series

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