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Marathon HGA250M-2

Series: Other models

The photo shows the MAR3-90S-6 from the same series. Source: https://www.marathonelectric.in/category/low-voltage-iec-mot

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The HGA250M-2 from Marathon is a three-phase induction motor. The rated output is 55 kW. The motor is two-pole, which at 50 Hz gives a synchronous speed of 3,000 rpm. The rated voltage is 400 V. The housing is frame size 250 M in foot-mounted form. The protection class is IP55. The efficiency is 94.6 per cent at full load, 94 per cent at 75 per cent load and 92.5 per cent at half load. The motor weighs 405 kg. At full load it delivers 176.6 Nm. The motor is built in China. The figures come from the Australian MEPS register under the GEMS Determination 2019; measured to AS 1359.102.1:1997. Rated output across the Marathon range ranges from 0.75 to 160 kW; the HGA250M-2 sits in the lower part of that range with 55 kW. Its immediate neighbours are the XGA225M4 below it with 45 kW and the 280STFC0752-AU above it with 75 kW. 498 Marathon models across 2 series 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

Weight405 kgcorrect

Electrical data

Rated voltage400 Vcorrect
Number of poles2correct
Protection classIP55correct
Frame size250 M (foot)correct
Mounting (IEC 60034-7)B3, B5, B6, B7, B8, B35, V1, V3, V5, V6correct
Efficiency at full load94.6 %correct
Efficiency at 75 % load94 %correct
Efficiency at half load92.5 %correct

Origin and approval

Country of manufactureChinacorrect
Standard appliedGreenhouse and Energy Minimum Standards (Three Phase Electric Motors) Determination 2019correct
Test methodAS 1359.102.1:1997correct

Frequently asked questions

How much power does the Marathon HGA250M-2 have?

The Marathon HGA250M-2 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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Other models in this series

1092093901 HJA2 112Mx-2

132MTFC0556-AU

132MTFC0556E3

132MTFC0754-AU

132STFC0228-AU

132STFC0228E3

132STFC0306-AU

132STFC0306E3

132STFC0552-AU

132STFC0552E3

132STFC0554-AU

132STFC0554E3

Sources: [1]

Electric motor in 3D section

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