Lafert AMS
Series: Other models
Lafert lists the AMS as a three-phase induction motor. The rated output is 1.1 kW. The motor is four-pole, which at 50 Hz gives a synchronous speed of 1,500 rpm. The rated voltage is 400 V. The housing is frame size 90 S in foot-mounted form. The protection class is IP55. The efficiency is 83.8 per cent at full load, 83.8 per cent at 75 per cent load and 82.8 per cent at half load. Mounting arrangements to IEC 60034-7: B3, B5 and B14A. The motor is built in Italy. The data is based on the Australian MEPS registration under the GEMS Determination 2012; measured to IEC 60034-2-1 (Edition 2.0). Rated output across the Lafert range ranges from 0.75 to 22 kW; the AMS sits at the bottom of that range with 1.1 kW. Its immediate neighbours are the AMHEBZ 80Z AA4 below it with 0.75 kW and the AMEE 100L BA6 above it with 1.5 kW. 97 Lafert models are on record. The model is listed under Electric motors. 23 verified figures from 1 source are on file.
Technical data
Engine
| Rated output | 1.1 kWcorrect |
|---|
Electrical data
| Rated voltage | 400 Vcorrect |
|---|---|
| Number of poles | 4correct |
| Protection class | 55correct |
| Frame size | 90 S (foot)correct |
| Mounting (IEC 60034-7) | B3, B5, B14Acorrect |
| Efficiency at full load | 83.8 %correct |
| Efficiency at 75 % load | 83.8 %correct |
| Efficiency at half load | 82.8 %correct |
Origin and approval
| Country of manufacture | Italycorrect |
|---|---|
| Standard applied | Greenhouse and Energy Minimum Standards (Three Phase Electric Motors) Determination 2012correct |
| Test method | IEC 60034-2-1 (Edition 2.0)correct |
Frequently asked questions
How much power does the Lafert AMS have?
The Lafert AMS delivers 1.1 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
AMBY
AMEE 100L BA6
AMEE 112M AA6
AMEE 132M YA6
AMEE 90L BA6
AMEE132S YA6
AMF
AMHE100L AA2
AMHE100L AA4
AMHE100L BA4
AMHE112M AA4
AMHE112M BA
Sources: [1]
Electric motor in 3D section
Turn the model, look inside and click an assembly — each one is explained.