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EMZ YE2-112M2-2

Series: Other models

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The EMZ YE2-112M2-2 is a three-phase induction motor. The rated output is 5.5 kW. The motor is two-pole, which at 50 Hz gives a synchronous speed of 3,000 rpm. The housing is frame size 112 M in foot-mounted form. The protection class is IP54. The efficiency is 87.6 per cent at full load, 88.2 per cent at 75 per cent load and 86.7 per cent at half load. The motor weighs 39.6 kg. At full load it delivers 18.11 Nm. Mounting arrangements to IEC 60034-7: B3, B5, B14, B34 and B35. The motor is built in China. The figures come from the Australian MEPS register under the GEMS Determination 2019; measured to IEEE 112-B(USA). Rated output across the EMZ range ranges from 3 to 15 kW; the YE2-112M2-2 sits in the lower part of that range with 5.5 kW. Its immediate neighbours are the YE3-112M1-2 below it with 4 kW and the YE2-112M3-2 above it with 7.5 kW. 24 EMZ models are on record.

EMZ – other models: the collective page of YE2/YE3 three-phase motors outside the named ranges, 3 to 15 kW, 2- to 4-pole, IP54, frame sizes 100 to 160, made in China

This page gathers the EMZ three-phase motors the Australian energy-efficiency register (GEMS/MEPS) could not assign to a named range. The model names follow the Chinese standard-motor scheme YE2 and YE3, marking the older and the newer, more efficient winding standard respectively, followed by frame size and pole count, for example YE3-132M1-2 for the two-pole YE3 version of frame size 132M.

Read on 3 more paragraphs

The register lists here 24 versions with 3 to 15 kW, two- to four-pole. Full-load efficiencies range from 87.3 to 92.17% and at 75% load from 87.6 to 92.5%. Frame sizes run from 100 to 160 under IEC, protection rating is IP54, with nine versions additionally recorded with IP55, the mounting code is uniform: B3/B5/B14/B34/B35. Mains voltages recorded are the combinations 400/690 V and 240/415 V. Manufacturing is entirely in China, tested to the GEMS 2019 determinations with test methods A, B and 2-1-1B. Nine versions reach the High Efficiency Level 2018 classification, one further the older 2005 classification.

In the 3 to 15 kW power range, the YE2/YE3 programme covers the classic demand of small and medium industrial drives for pumps, fans and conveyors, which numerous Chinese manufacturers offer in parallel under their own brand names.

When buying used, what matters is bearing condition and a checked insulation resistance of the winding, visible overheating marks on the terminal box and fan cover, the condition of shaft and key, and a legible nameplate with frame size, pole count and the YE2 or YE3 designation. Spares are usually available independent of manufacturer thanks to the widely used frame size.

Sources: SpecCodex register, model data: EMZ (weitere Modelle, MEPS-Registrierungen)

Technical data

Engine

Rated output5.5 kWcorrect

Dimensions and weights

Weight39.6 kgcorrect

Electrical data

Rated voltage240/415 Vcorrect
Number of poles2correct
Protection classIP54correct
Frame size112 M (foot)correct
Mounting (IEC 60034-7)B3, B5, B14, B34, B35correct
Efficiency at full load87.62 %correct
Efficiency at 75 % load88.15 %correct
Efficiency at half load86.7 %correct

Origin and approval

Country of manufactureChinacorrect

Other data

Standard appliedGreenhouse and Energy Minimum Standards (Three Phase Electric Motors) Determination 2019correct
Test methodIEEE 112-B(USA)correct

Frequently asked questions

How much power does the EMZ YE2-112M2-2 have?

The EMZ YE2-112M2-2 delivers 5.5 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

YE2-112M-4

YE2-112M1-2

YE2-112M3-2

YE2-132M-4

YE2-132S-4

YE2-132S1-2

YE2-132S2-2

YE2-160L-4

YE2-160M-4

YE2-160M1-2

YE2-160M2-2

YE3-100L-2

Sources: [1]

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