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Siemens 1LE15042CB234JA4

Series: 1LE1

Source: rad-dm-jedermann.de

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The Siemens 1LE15042CB234JA4 is a three-phase induction motor built by Siemens. The rated output is 55 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 250 M in foot-mounted form. The protection class is IP55. The efficiency is 95.8 per cent at full load, 95.9 per cent at 75 per cent load and 95.5 per cent at half load. Mounting arrangements to IEC 60034-7: B3 and B35. The motor is built in Czechia. Rated output across the Siemens range ranges from 0.75 to 200 kW; the 1LE15042CB234JA4 sits in the lower part of that range with 55 kW. Its immediate neighbours are the 7.6769.0 below it with 45 kW and the 1 LG6 258-2 above it with 75 kW. 569 Siemens models across 4 series are on record.

Siemens – 1LE1 series at a glance

The 1LE1 series from Siemens comprises 28 models in the register, in the Electric motors group. Rated power ranges from 2 to 55 kW. Listed in the register: 1LE1, 1LE1001-1BA2, 1LE1001-1BC2, 1LE1001-1DB2.

Sources: SpecCodex-Register (eigene Daten)

Technical data

Engine

Engine family1LE1correct
Engine families1LE1correct
Rated output55 kWcorrect

Electrical data

Rated voltage400 Vcorrect
Number of poles4correct
Protection classIP55correct
Frame size250 M (foot)correct
Mounting (IEC 60034-7)B3, B35correct
Efficiency at full load95.8 %correct
Efficiency at 75 % load95.9 %correct
Efficiency at half load95.48 %correct

Origin and approval

Country of manufactureCzechiacorrect

Other data

Standard appliedNew requirements (Three Phase Electric Motors) 2019correct
Test methodIEC 60034-2-1 (Edition 2.0)correct

Frequently asked questions

How much power does the Siemens 1LE15042CB234JA4 have?

The Siemens 1LE15042CB234JA4 delivers 55 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 24 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

1LE1

1LE1001-1BA2

1LE1001-1BC2

1LE1001-1DB2

1LE1001-1DB4

1LE1003-1CA03-4AB4-Z

1LE1003-1CB01/AV3130B

1LE1003-1DA33-4AB4-Z

1LE10031BA

1LE10031BA234AB4-Z

1LE10031BB

1LE10031BB234AB4-Z

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

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