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Marathon HGM280S8

Series: Other models

The photo shows the HGM315LA-2 from the same series. Source: https://www.weg.net/catalog/weg/CI/es/Motores-El%C3%A9ctrico

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Marathon lists the HGM280S8 as a three-phase induction motor. The rated output is 37 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 91.8 per cent at full load, 92.2 per cent at 75 per cent load and 91.5 per cent at half load. The motor is built in China. The data is based on the Australian MEPS registration 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 HGM280S8 sits in the lower part of that range with 37 kW. Its immediate neighbours are the XGA225M6 below it with 30 kW and the 225MTFC0452-AU above it with 45 kW. 498 Marathon models across 2 series are on record. The model is listed under Electric motors. 22 verified figures from 1 source are on file.

Technical data

Engine

Rated output37 kWcorrect

Electrical data

Rated voltage415 Vcorrect
Number of poles8correct
Protection classIP55correct
Frame size280 S (foot)correct
Mounting (IEC 60034-7)B3, B5, B6, B7, B8, B35, V1, V3, V5, V6correct
Efficiency at full load91.8 %correct
Efficiency at 75 % load92.2 %correct
Efficiency at half load91.5 %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 HGM280S8 have?

The Marathon HGM280S8 delivers 37 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

1092093901 HJA2 112Mx-2

132MTFC0556-AU

132MTFC0556E3

132MTFC0754-AU

132STFC0228-AU

132STFC0228E3

132STFC0306-AU

132STFC0306E3

132STFC0552-AU

132STFC0552E3

132STFC0554-AU

132STFC0554E3

Sources: [1]

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