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Ebony MS0.75/B3/2

Series: Other models

The photo shows the CDF4/B3/4 from the same series. Source: https://www.alamy.com/stock-photo/somalia-kenyan-amisom-kism

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The Ebony MS0.75/B3/2 is a three-phase induction motor from the Ebony range. The rated output is 0.75 kW. The motor is two-pole, which at 50 Hz gives a synchronous speed of 3,000 rpm. The rated voltage is 415 V. The housing is frame size MS801. The protection class is IP55. The efficiency is 75.4 per cent at full load, 75.7 per cent at 75 per cent load and 74.2 per cent at half load. The motor weighs 11 kg. At full load it delivers 2.52 Nm. Mounting arrangements to IEC 60034-7: B3, B5, B14, B35 and B34. The motor is built in China. The values are recorded in the Australian MEPS registration under standard AS/NZS 1359.5:2000 (Legacy); measured to AS 1359.102.1:1997. Rated output across the Ebony range ranges from 0.75 to 22 kW; the MS0.75/B3/2 sits at the bottom of that range with 0.75 kW. Its immediate neighbours are the MS1.1/B3/2 above it with 1.1 kW. 34 Ebony models are on record. The model is listed under Electric motors. 24 verified figures from 1 source are on file.

Ebony – other models: the collective page of MEPS-registered CDF and MS three-phase motors outside the named ranges, frame sizes 90 to 180, 0.75 to 22 kW, 2- to 6-pole, from China

This page brings together the three-phase motors from Ebony that the Australian energy-efficiency register (GEMS/MEPS) does not assign to a named series. Type designations follow two ranges: CDF, for example CDF11/B3/2 or CDF18.5/B3/4, and MS, for example MS0.75/B3/2. In both cases the digit after the series code directly names the rated output in kW, followed by the mounting code and the pole count.

Read on 3 more paragraphs

The register lists here 34 versions with 0.75 to 22 kW, two- to six-pole, at a supply voltage of 415 V. Efficiency at full load ranges from 74.4 to 91.61%, and at 75% load from 74.7 to 91.84%. Frame sizes run from 90 to 180, all 34 motors carry the IP55 rating and are manufactured in China. Mounting covers combinations of B3, B5, B14, B34 and B35; testing followed AS/NZS 1359.5:2000 (Legacy) using test method B, and none of the motors reaches a High Efficiency classification under GEMS.

The page thus shows Ebony's two-part base programme made up of the output-named CDF range and the MS range, with which the manufacturer competes in the power band up to 22 kW against other Chinese standard-motor suppliers in the MEPS register; stating the output directly in the type name makes matching parts easier.

When buying used, check the condition of the rolling bearings, a measured winding insulation resistance, visible overheating marks on the terminal box and fan cover, and a legible nameplate showing frame size, pole count and mounting code. Since none of the motors carries a High Efficiency classification, it is worth checking actual energy use under continuous duty before buying; bearings and terminal boxes for the IEC frame sizes are usually available independent of the manufacturer.

Sources: Kennwerte der Modelle Ebony (weitere Modelle, MEPS-Registrierungen)

Technical data

Engine

Rated output0.75 kWcorrect

Dimensions and weights

Weight11 kgcorrect

Electrical data

Rated voltage415 Vcorrect
Number of poles2correct
Protection classIP55correct
Frame sizeMS801correct
Mounting (IEC 60034-7)B3, B5, B14, B35, B34correct
Efficiency at full load75.4 %correct
Efficiency at 75 % load75.7 %correct
Efficiency at half load74.2 %correct

Origin and approval

Country of manufactureChinacorrect

Other data

Standard appliedAS/NZS 1359.5:2000 (Legacy)correct
Test methodAS 1359.102.1:1997correct

Frequently asked questions

How much power does the Ebony MS0.75/B3/2 have?

The Ebony MS0.75/B3/2 delivers 0.8 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

CDF11/B3/2

CDF11/B3/4

CDF15/B3/2

CDF15/B3/4

CDF18.5/B3/2

CDF18.5/B3/4

CDF2.2/B3/6

CDF22/B3/2

CDF22/B3/4

CDF3/B3/6

CDF4/B3/2

CDF4/B3/4

Sources: [1]

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