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OrvantIndustrial Systems

Electrical · EM4

EM4 IE4 Premium-Efficiency Motor

IE4 super-premium efficiency in a cast-iron TEFC frame.

A low-voltage induction motor with optimised copper rotor and low-loss laminations, delivering IE4 efficiency on direct-on-line or VFD supply. Drop-in IEC frame dimensions for straightforward retrofits.

efficiency class
IE4
efficiency class
peak efficiency
96.4%
peak efficiency
protection
IP66
protection
kW range
0.75–1000
kW range

Datasheet Rev 09 · 2026-06 · Prices on application

● Interactive model · EM4

Technical specifications

Datasheet Rev 09 · 2026-06

Electrical (110 kW, 2-pole)

Rated output
110 kW
Voltage
400 V Δ / 690 V Y, 50 Hz
Rated speed
2,980 rpm
Efficiency (100 %)
96.3 %
Insulation
Class F, B rise

Mechanical

Frame
IEC 315S, cast iron
Cooling
IC 411 TEFC
Bearings
Re-greasable, insulated NDE
Noise
77 dB(A) at 1 m

Performance

Hover the curves for values

Efficiency & power factor vs. load
Efficiency (%)9495969798Power factor (×100)5060708090255075100115Load (%)Peak η 96.4 % at 75 % load
View data table
Load (%)Efficiency (%)Power factor (×100)
2594.258
509678
7596.485
10096.388
11596.189

Curves are measured on ORVANT's closed-loop test bed and reproduced to the tolerance class stated on the certificate. Operating windows, trims and speeds are selected by our application engineers for your exact duty point.

Get a duty-point selection

Dimensions

Envelope drawing

1,180780ELEVATION620END VIEWALL DIMENSIONS IN MM · ENVELOPE · NOT FOR CONSTRUCTION
Shaft height
315 mm
Overall length
1,180 mm
Shaft Ø × length
65 × 140 mm
Weight
865 kg

Materials

Frame & end shields
Cast iron EN-GJL-250
Rotor
Die-cast copper
Shaft
C45E steel
Paint
C4 epoxy system

Applications

  • 01Pumps & fans
  • 02Compressors
  • 03Conveyors
  • 04Mixers & agitators

Certifications & standards

  • IEC 60034-30-1

    IE4 efficiency class

  • ATEX / IECEx

    Ex ec / Ex tc variants

  • CE · UKCA

    Machinery & Low Voltage Directives

  • ISO 9001:2015

    Quality management, all manufacturing sites

Datasheet & downloads

Engineering files on request

[RFQ]Request a quote

Tell us the duty.
We’ll engineer the answer.

  • 24-hour technical responseFrom an application engineer — never a call centre.
  • Engineered, not just pricedDuty review, selection and sizing come with every quote.
  • Full documentationDatasheets, GA drawings and curves with each proposal.
  • Confidential by defaultMutual NDA on request before you share drawings.

Prefer to talk?

rfq@orvant.example/+1 555 0140

RFQ · Technical enquiry

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