Leroy Somer LSES112MUT
Series: Other models
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Leroy-Somer – 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 France and China
This page gathers the Leroy-Somer three-phase motors the Australian energy-efficiency register does not assign to a named range. Leroy-Somer is a French electric-motor manufacturer with roots in Angoulême/La Rochefoucauld, part of the Japanese Nidec group since 2018; the company is among the most established European suppliers of industrial motors and generators. The register designations follow two recognisable schemes: the AS code with frame size and pole count (e.g. AS100L-2) for the classic asynchronous-motor range, and FLSES with frame size (e.g. FLSES160L) for a newer energy-efficient range; the exact meaning of the FLSES letter sequence cannot be reliably reconstructed from the dump.
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The register lists here 103 versions with 0.75 to 160 kW, two- to four-pole, full-load efficiencies from 76.6 to 95.98% and at 75% load from 73.51 to 96.06%. All motors are built to protection rating IP55, frame sizes run from 80 to 315 under IEC. France is recorded as the manufacturing country for the larger share, China for the rest; testing followed chiefly the 2012 GEMS determinations, alongside the older 2000 Legacy standard and AS/NZS 1359.5:2004. None of the 103 motors is classified under the Australian High Efficiency Level. Mounting codes are dominated by the plain foot form B3, followed by combinations with B5, B34 and B35.
The page thus shows that Leroy-Somer manufactures its classic IEC standard-motor programme in parallel in France and under Chinese licensed production; in the industrial-motor market the company competes with ABB, Siemens and WEG, with particular strength in generators and variable-speed drives.
When buying used or replacing, 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; for French-made units it is also worth checking the availability of genuine spares through the Nidec-Leroy-Somer network against Chinese-made equivalents.
Sources: SpecCodex register, model data: Leroy-Somer (weitere Modelle, MEPS-Registrierungen), Leroy-Somer (Nidec)
Technical data
Engine
| Rated output | 4 kWcorrect |
|---|
Electrical data
| Rated voltage | 400 Vcorrect |
|---|---|
| Number of poles | 4correct |
| Protection class | IP55correct |
| Frame size | 112 M (foot)correct |
| Mounting (IEC 60034-7) | B3, B5, B34, B35correct |
| Efficiency at full load | 88.4 %correct |
| Efficiency at 75 % load | 88 %correct |
| Efficiency at half load | 86.6 %correct |
Origin and approval
| Country of manufacture | Francecorrect |
|---|
Other data
| Standard applied | AS/NZS 1359.5:2004correct |
|---|---|
| Test method | IEC 60034-2-1 (Edition 2.0)correct |
Frequently asked questions
How much power does the Leroy Somer LSES112MUT have?
The Leroy Somer LSES112MUT delivers 4 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.
We do not sell machines. We ask the dealers who carry this model and come back with price and lead time.
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We ask the suppliers and come back with price and lead time.
Request spare parts →
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
AS100L-2
AS100L1-4
AS100L2-4
AS112M-2
AS112M-4
AS132M-4
AS132S-4
AS132S1-2
AS132S2-2
AS801-2
AS802-2
AS802-4
Sources: [1]
Electric motor in 3D section
Turn the model, look inside and click an assembly — each one is explained.