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ABB M3KP 280SMB 2

Series: M3KP

Source: https://www.abb.com/global/en/products/3gjp112370-aek

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The M3KP 280SMB 2 belongs to the M3KP series from ABB. The rated output is 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 280. The protection class is IP55, IP56, IP65 and IP66. The efficiency is 95.4 per cent at full load, 95.5 per cent at 75 per cent load and 94.9 per cent at half load. Mounting arrangements to IEC 60034-7: B3, B5, B8, B35, V1, V3, V5 and V6. Stated countries of manufacture: India, Poland, Finland and China. The values are recorded in the Australian MEPS registration under the GEMS Determination 2019; measured to IEC 60034-2-1 (Edition 2.0). The M3KP series covers 202 models. Rated output within it ranges from 0.75 to 184.99 kW; the M3KP 280SMB 2 sits in the middle of that range with 75 kW. Its immediate neighbours are the M3KP 315SMA 8G below it with 55 kW and the M3KP 280 SMB 4G above it with 90 kW. 2141 ABB models across 12 series are on record.

ABB M3KP – flameproof motors with an Ex e terminal box (Ex de): the difference from the M3JP, frame sizes 80 to 355, 0.75 to 185 kW

M3KP is the twin of the flameproof M3JP with one decisive difference: the terminal box is not flameproof but built in the 'increased safety' protection type (Ex e, today Ex eb). The combination is called Ex de – flameproof motor enclosure, increased-safety connection space. That makes installation much easier, because the cable entry no longer has to pass through flameproof glands, and it is the more common execution for zone 1 in Europe. The letter K in the type code stands for exactly this design at ABB.

Read on 3 more paragraphs

Otherwise the type code reads like all process motors: IEC frame size, frame length, number of poles, winding variant. The register lists 202 versions from frame size 80 to 355 with 0.75 to 185 kW, two- to eight-pole; full-load efficiencies run from 75.3 to 97.2 %, protection from IP55 to IP66, rated voltages are recorded as 415 to 690 V. Manufacturing locations per registration: mainly India, Poland, China and Finland.

That M3JP and M3KP coincide in output, frame size and efficiency is no accident: motor and winding are identical, only the connection space differs. The choice follows plant practice – Ex de is easier to wire, Ex d more compact.

When replacing, protection type, gas group, temperature class and certificate must match the installation; the Ex e terminals require approved cable entries, and inverter duty is permitted only with explicit certification.

Sources: SpecCodex register, model data: ABB M3KP (MEPS-Registrierungen), ABB Produktinformation Flameproof IE3 motors M3JP/M3KP 80–132, ATEX-Motoren M3GP, M3KP, M3JP (Übersicht)

Technical data

Engine

Rated output75 kWcorrect

Electrical data

Rated voltage415 Vcorrect
Number of poles2correct
Protection classIP55, IP56, IP65, IP66correct
Frame size280correct
Mounting (IEC 60034-7)B3, B5, B8, B35, V1, V3, V5, V6correct
Efficiency at full load95.4 %correct
Efficiency at 75 % load95.5 %correct
Efficiency at half load94.9 %correct

Origin and approval

Country of manufactureIndia, Poland, Finland, Chinacorrect

Other data

Standard appliedGreenhouse and Energy Minimum Standards (Three Phase Electric Motors) Determination 2019correct
Test methodIEC 60034-2-1 (Edition 2.0)correct

Frequently asked questions

How much power does the ABB M3KP 280SMB 2 have?

The ABB M3KP 280SMB 2 delivers 75 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

M3KP 100LA 2H

M3KP 100LA 4

M3KP 100LA 4H

M3KP 100LA 6

M3KP 100LA 6 H

M3KP 100LA 6H

M3KP 100LA 8

M3KP 100LA 8H

M3KP 100LB 4H

M3KP 112MB 2H

M3KP 112MC 4H

M3KP 132SMB 2

Sources: [1]

Electric motor in 3D section

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