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Siemens 1LG6206-2AA96

Series: 1LG6

The photo shows the 1LG6 207–6AA.. from the same series. Source: kleinanzeigen.de

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The Siemens 1LG6206-2AA96 is a three-phase induction motor. The rated output is 30 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 200 L in foot-mounted form. The protection class is IP55. The efficiency is 93.3 per cent at full load, 93.3 per cent at 75 per cent load and 91.8 per cent at half load. The motor weighs 225 kg. At full load it delivers 97 Nm. The mounting arrangement to IEC 60034-7 is B35. The motor is built in Germany. The figures come from the Australian MEPS register under the GEMS Determination 2012; measured to IEC 60034-2-1 (Edition 2.0). Rated output across the Siemens range ranges from 0.75 to 200 kW; the 1LG6206-2AA96 sits at the bottom of that range with 30 kW. Its immediate neighbours are the 1PC31041-DA70-0FA0 below it with 26 kW and the 1CE3222B above it with 36 kW. 569 Siemens models across 4 series are on record.

Siemens 1LG6 – cast-iron motors in frame sizes 180 to 315: 11 to 200 kW, the type code 1LG6 xxx-xAAxx explained

1LG6 is Siemens' classic cast-iron series for the medium and large IEC frame sizes – the motor that was the standard solution in cooling towers, pumping stations, cement mills and rolling mills for decades before the 1LE1 and Simotics SD ranges replaced it. The Siemens type code is an order number: 1LG stands for the cast-iron family, the 6 for the generation, the three-digit number encodes frame size and frame length (183 = frame 180 short, 186 long, 206/207 = 200, 220/223 = 225, 253/258 = 250, 283/288 = 280, 310/313/316 = 315), the digit after the hyphen the number of poles (2, 4, 6, 8) and the letters AA or AB the winding and voltage execution; the last positions define mounting and options and are left as dots in many registrations.

Read on 3 more paragraphs

The register lists 90 versions from frame size 180 to 315 with 11 to 200 kW, two- to eight-pole, rated voltage 400 to 415 V. Full-load efficiencies lie between 88.7 and 96.5 %, protection is IP55 throughout, mounting in almost all cases IM B3 (foot) or IM B5 (flange). Recorded weights run from 155 to 1,245 kg – an eight-pole 315 is a machine set in place by crane. Czechia (Mohelnice/Frenštát plants) and Germany are recorded as manufacturing locations.

The series stands for the time before the IE3 mandate: many 1LG6 are classified IE1 or IE2 but keep running thanks to their robust design – cast iron, generous bearings, regreasing facility from frame 225 upward.

When replacing: shaft height, shaft end and flange are compatible with any make under IEC 60072; an IE3 successor of the same frame size quickly recoups its price on continuous-duty machines but may bring a slightly higher starting current that contactor and protection must tolerate.

Sources: SpecCodex register, model data: Siemens 1LG6 (MEPS-Registrierungen), Siemens Niederspannungsmotoren (manufacturer)

Technical data

Engine

Engine family1LG6206-2AA96correct
Engine families1LG6206-2AA96correct
Rated output30 kWcorrect

Dimensions and weights

Weight225 kgcorrect

Electrical data

Rated voltage400 Vcorrect
Number of poles2correct
Protection classIP55correct
Frame size200 L (foot)correct
Mounting (IEC 60034-7)B35correct
Efficiency at full load93.3 %correct
Efficiency at 75 % load93.3 %correct
Efficiency at half load91.8 %correct

Origin and approval

Country of manufactureGermanycorrect

Other data

Standard appliedGreenhouse and Energy Minimum Standards (Three Phase Electric Motors) Determination 2012correct
Test methodIEC 60034-2-1 (Edition 2.0)correct

Frequently asked questions

How much power does the Siemens 1LG6206-2AA96 have?

The Siemens 1LG6206-2AA96 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 28 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

1 LG6 253-2

1 LG6 258-2

1 LG6 259-2

1LG6 183–2AA..

1LG6 183–2AA60

1LG6 183–4AA..

1LG6 183–4AA60

1LG6 186–4AA..

1LG6 186–4AA60

1LG6 186–6AA..

1LG6 186–6AA60

1LG6 186–8AB..

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

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