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Lowara Plm PLM090/322

Series: Other models

The photo shows the PLM100/340 from the same series. Source: thepumpdealer.co.uk

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The Lowara Plm PLM090/322 is a three-phase induction motor. The rated output is 2.2 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 90. The protection class is IP55. The efficiency is 85.7 per cent at full load, 85.9 per cent at 75 per cent load and 84.3 per cent at half load. The mounting arrangement to IEC 60034-7 is V1. The motor is built in Poland. The figures come from the Australian MEPS register under standard AS/NZS 1359.5:2004; measured to AS 1359.102.1:1997. Rated output across the Lowara Plm range ranges from 1.5 to 22 kW; the PLM090/322 sits at the bottom of that range with 2.2 kW. Its immediate neighbours are the PLM090/315 below it with 1.5 kW and the PLM100/330 above it with 3 kW. 11 Lowara Plm models are on record.

Lowara PLM – other models: the collective page for two-pole pump motors outside the named series, frame sizes 90 to 160, 1.5 to 22 kW, made in Poland, efficiency 84.4 to 92.7%

This page gathers PLM three-phase motors of the Lowara brand that the register does not assign to a named series. Lowara is an Italian pump manufacturer that today belongs to the US water-technology group Xylem; as a purely two-pole motor, the PLM range delivers the high speed of around 2,900 revolutions per minute at 50 hertz typical of centrifugal pumps. Poland is entered as the country of manufacture throughout for this range, where Xylem operates its own production sites for pumps and pump motors.

Read on 3 more paragraphs

The register lists 11 versions with 1.5 to 22 kW rated output, two-pole throughout, at a uniform supply voltage of 400 V. Full-load efficiency ranges from 84.4 to 92.7%, and at 75% load from 84.7 to 92.6%. Frame sizes span 90 to 160, and the protection class is IP55 throughout.

Two-pole motors of this power class are the classic drive for centrifugal pumps in water supply, building services and industrial cooling circuits, where high speed combined with a compact frame size is required. The tight restriction to a single pole count underlines a design specifically for pump drive rather than for general industrial use.

For a replacement, these pump motors call mainly for checking the condition of the shaft seal to the flanged pump, vibration-free running at the high operating speed, and the compatibility of the predominant V1,B3,B34,B35,B5 mounting code with the existing pump housing. Spare parts and replacement motors are supplied through the global Xylem service network.

Sources: SpecCodex register, model data: Lowara PLM (weitere Modelle), Lowara (Xylem, Hersteller), Zulassungsdaten GEMS/MEPS (Australien, Neuseeland)

Technical data

Engine

Rated output2.2 kWcorrect

Electrical data

Rated voltage400 Vcorrect
Number of poles2correct
Protection classIP55correct
Frame size90correct
Mounting (IEC 60034-7)V1correct
Efficiency at full load85.7 %correct
Efficiency at 75 % load85.9 %correct
Efficiency at half load84.3 %correct

Origin and approval

Country of manufacturePolandcorrect

Other data

Standard appliedAS/NZS 1359.5:2004correct
Test methodAS 1359.102.1:1997correct

Frequently asked questions

How much power does the Lowara Plm PLM090/322 have?

The Lowara Plm PLM090/322 delivers 2.2 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

PLM090/315

PLM100/330

PLM100/340

PLM112/355

PLM132/355

PLM132/375

PLM132/392

PLM160/3150

PLM160/3185

PLM160/3220

Sources: Energy Rating — Australian government equipment register (retrieved August 2026) · How we check the data

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