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Scorpion Electric Motor MS112M-2

Series: Other models

Source: mbd.baidu.com

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The Scorpion Electric Motor MS112M-2 is a three-phase induction motor built by Scorpion Electric Motor. The rated output is 4 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 IP55. The efficiency is 86.3 per cent at full load, 86.8 per cent at 75 per cent load and 85.3 per cent at half load. Mounting arrangements to IEC 60034-7: B3, B5, B35 and B14. The motor is built in China. The data is based on the Australian MEPS registration under standard AS/NZS 1359.5:2004; measured to IEC 60034-2-1 (Edition 2.0). Rated output across the Scorpion Electric Motor range ranges from 1.1 to 90 kW; the MS112M-2 sits at the bottom of that range with 4 kW. Its immediate neighbours are the TAI100L-4 below it with 3 kW and the MS132S1-2 above it with 5.5 kW. 22 Scorpion Electric Motor models are on record.

Scorpion Electric Motor – other models: the collective page of MEPS-registered three-phase motors outside the named ranges, MS, TAI, TCI and Y ranges, 1.1 to 90 kW, 2- to 6-pole, frame sizes 90 to 280

This page gathers the Scorpion Electric Motor three-phase motors the Australian energy-efficiency register could not assign to a named range. The designations in the register split across several families: the MS range, the TAI and TCI/TCIR ranges, and individual Y and YSS types, each carrying frame size and pole count in the name, such as TAI132M-4 for frame size 132 in a four-pole version. Some motors carry a dual voltage rating of 415/690 V, designed for star-delta operation on different supply voltages.

Read on 3 more paragraphs

The register lists here 22 versions with 1.1 to 90 kW, two- to six-pole, full-load efficiencies from 80.2 to 95.2% and at 75% load from 80.6 to 95.2%. Frame sizes run from 90 to 280, protection is almost entirely IP55. Manufacturing is exclusively in China, testing mostly used test method B under the 2012 GEMS determination; none of the 22 motors reaches a documented High Efficiency Level.

With this broad range assembled from several families, Scorpion Electric Motor serves the mid-range power segment of the Australian market for IEC standard motors, with a focus on pump, fan and general drive applications.

When buying used, 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 range, frame size and pole count matter; on the 415/690 V versions, the correct star-delta connection at the terminal board should be checked. Spares run through the distribution for Chinese standard motors.

Sources: SpecCodex register, model data: Scorpion Electric Motor (weitere Modelle, MEPS-Registrierungen)

Technical data

Engine

Rated output4 kWcorrect

Electrical data

Rated voltage415/690 Vcorrect
Number of poles2correct
Protection classIP55correct
Frame size112 M (foot)correct
Mounting (IEC 60034-7)B3, B5, B35, B14, B3/B14correct
Efficiency at full load86.3 %correct
Efficiency at 75 % load86.8 %correct
Efficiency at half load85.3 %correct

Origin and approval

Country of manufactureChinacorrect

Other data

Standard appliedAS/NZS 1359.5:2004correct
Test methodIEC 60034-2-1 (Edition 2.0)correct

Frequently asked questions

How much power does the Scorpion Electric Motor MS112M-2 have?

The Scorpion Electric Motor MS112M-2 delivers 4 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

MS132M-4

MS132S1-2

TAI100L-4

TAI112M-2

TAI132M-4

TAI132M1-6

TAI132S1-2

TAI132S2-2

TAI90L-4

TAI90L-6

TAI90S-4

TCI250S-2

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

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