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WEG K44B EXDE2

Series: Other models

Source: https://www.weg.net/institutional/BN/en/news/products-and-so

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The WEG K44B EXDE2 is a three-phase induction motor from the WEG range. The rated output is 55 kW. The motor is eight-pole, which at 50 Hz gives a synchronous speed of 750 rpm. The rated voltage is 415 V. The housing is frame size 280 S in foot-mounted form. The protection class is IP55. The efficiency is 94.5 per cent at full load, 94.5 per cent at 75 per cent load and 93.5 per cent at half load. The motor weighs 730 kg. At full load it delivers 711.89 Nm. The motor is built in Brazil. The data is based on the Australian MEPS registration under standard AS/NZS 1359.5:2004; measured to IEC 60034-2-1 (Edition 2.0). Rated output across the WEG range ranges from 0.75 to 160 kW; the K44B EXDE2 sits in the lower part of that range with 55 kW. Its immediate neighbours are the W22 below it with 45 kW and the K45 EXDE2 above it with 75 kW. 433 WEG models are on record. The model is listed under Electric motors. 24 verified figures from 1 source are on file.

Technical data

Engine

Rated output55 kWcorrect

Dimensions and weights

Weight730 kgcorrect

Electrical data

Rated voltage415 Vcorrect
Number of poles8correct
Protection class55correct
Frame size280 S (foot)correct
Mounting (IEC 60034-7)B3, B5, B35, B34, B14, B6, B7, B8, V5, V6, V1, V3, V15, V36, V18, V19correct
Efficiency at full load94.5 %correct
Efficiency at 75 % load94.5 %correct
Efficiency at half load93.5 %correct

Origin and approval

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

Frequently asked questions

How much power does the WEG K44B EXDE2 have?

The WEG K44B EXDE2 delivers 55 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 24 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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Sources: [1]

Electric motor in 3D section

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