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Marathon 324TTFS16829

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 324TTFS16829 from Marathon is a three-phase induction motor. The rated output is 30 kW. The motor is four-pole, which at 50 Hz gives a synchronous speed of 1,500 rpm. The rated voltage is 380 V. The housing is frame size 324. The protection class is IP56. The efficiency is 93 per cent at full load, 94 per cent at 75 per cent load and 94.3 per cent at half load. Mounting arrangements to IEC 60034-7: B3 and B14. The motor is built in the USA. The data is based on the Australian MEPS registration under the GEMS Determination 2012; measured to IEEE 112-B(USA). Rated output across the Marathon range ranges from 0.75 to 160 kW; the 324TTFS16829 sits in the lower part of that range with 30 kW. Its immediate neighbours are the XGA200LB6 below it with 22 kW and the 200LTFC0372-AU above it with 37 kW. 499 Marathon models across 3 series are on record.

Marathon – other models: the collective page of MEPS-registered three-phase motors outside the named ranges, part of Regal Rexnord since 2021, frame sizes 80 to 355, 0.75 to 160 kW

This page gathers the Marathon three-phase motors the Australian energy-efficiency register could not assign to a named range. Marathon Electric, according to the company's own history founded in 1893 in Wausau, Wisconsin, now belongs to Regal Rexnord, the US drive-technology group formed in 2021 from the merger of Regal Beloit with parts of Rexnord. The identifiers in the register, such as 132STFC0552-AU or 160LTFC0758E3, recognisably start with the IEC frame size (132, 160), followed by letters for length and construction type and an output designation; the -AU suffix marks a market variant certified specifically for Australia, the E3 suffix marks a distinct version within the range.

Read on 3 more paragraphs

The register lists here 487 versions with 0.75 to 160 kW, two- to eight-pole, full-load efficiencies from 76 to 96.2% and at 75% load from 76.1 to 96.4%. Protection is mostly IP55 (344), in many cases extended with IP56 and IP66; frame sizes run from 80 to 355. China (477) dominates the manufacturing countries, with the USA, Chile, Colombia and Congo recorded singly. Testing mostly followed the 2019 GEMS determination (363) and AS/NZS 1359.5:2004 (115), with test method A for the majority; of 486 classified motors, 255 reach the 2005 High Efficiency Level (roughly IE2), 231 remain unclassified.

Marathon is one of the long-established US motor brands and today, within the Regal Rexnord group alongside brands such as Leeson and Rexnord, stands for drive technology in industry and building services; the range chiefly covers standard and pump motors for the North American and the Australia-Pacific markets.

When buying used, bearing condition and a checked insulation resistance of the winding, the condition of shaft and key, visible corrosion on the terminal box and fan cover, and a legible nameplate with frame size, pole count and, where present, the E3 mark for the efficiency class matter; on the many lots made exclusively in China, winding quality and bearing play are worth a look. Spares and service run through the Regal Rexnord network.

Sources: Kennwerte der Modelle Marathon – weitere Modelle, Regal Rexnord (Marathon), (Greenhouse and Energy Minimum Standards, Australien)

Technical data

Engine

Rated output30 kWcorrect

Electrical data

Rated voltage380 Vcorrect
Number of poles4correct
Protection classIP56correct
Frame size324correct
Mounting (IEC 60034-7)B3, B14correct
Efficiency at full load93 %correct
Efficiency at 75 % load94 %correct
Efficiency at half load94.3 %correct

Origin and approval

Country of manufactureUnited States of Americacorrect

Other data

Standard appliedGreenhouse and Energy Minimum Standards (Three Phase Electric Motors) Determination 2012correct
Test methodIEEE 112-B(USA)correct

Frequently asked questions

How much power does the Marathon 324TTFS16829 have?

The Marathon 324TTFS16829 delivers 30 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 23 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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