MEBK / MEBKA / MEBKGR (LV) low-voltage squirrel-cage induction motors IE2–IE4
Country: Germany · Model: MEBK / MEBKA / MEBKGR
Low-voltage three-phase squirrel-cage induction motors of classes IE2, IE3 and IE4 for 230, 400 and 690 V. Standard IEC motors MEBKA in a die-cast aluminium frame and MEBK in grey cast iron go up to 1000 kW, and the MEBKGR series in a ribbed cast iron frame up to 2600 kW. The motors are supplied from stock.
- Series
- MEBKA (aluminium frame), MEBK (cast iron) — standard IEC; MEBKGR — large LV motors in a ribbed cast iron frame
- Voltage
- 230, 400, 690 V ±10 % (multi-range 50/60 Hz nameplates)
- Power
- standard IEC motors up to 1000 kW per IEC 60034-30-1; MEBKGR LV — up to 2600 kW
- Efficiency
- IE2, IE3, IE4 (IEC 60034-30-1)
Technical specifications
| Series | MEBKA (aluminium frame), MEBK (cast iron) — standard IEC; MEBKGR — large LV motors in a ribbed cast iron frame |
|---|---|
| Voltage | 230, 400, 690 V ±10 % (multi-range 50/60 Hz nameplates) |
| Power | standard IEC motors up to 1000 kW per IEC 60034-30-1; MEBKGR LV — up to 2600 kW |
| Efficiency | IE2, IE3, IE4 (IEC 60034-30-1) |
| Protection degree | IP55 |
| Insulation | class F, used to B (optional H) |
| Standards | IEC 34 / VDE 0530, IEC 60034-1/-5/-6/-7/-8/-9/-12/-14, IEC 60072 |
| Conditions | 40 °C, up to 1000 m |
Specifications are taken from the manufacturer’s technical documentation. Updated .
Description
The motors are made to IEC 34 and VDE 0530, and voltages and frequencies follow IEC 38. Rated voltage is 230, 400 or 690 V with a tolerance of ±10 %, and multi-range nameplates cover 220–240/380–420 V 50 Hz, 220–280/380–480 V 60 Hz, 380–420/660–720 V 50 Hz and 380–480/660–830 V 60 Hz. Power is stated for continuous duty at 50 Hz, a coolant temperature of 40 °C and altitude up to 1000 m. Protection degree IP55 to IEC 34-5 is standard, and for vertical shaft-down mounting outdoors a protective canopy is recommended. Class F insulation used to class B gives a power margin and slows ageing, and class H is available on request. The motors comply with IEC 60034-1, -5, -6, -7, -8, -9, -12 and -14 and IEC 60072.
How to choose
Classes IE2, IE3 and IE4 are defined by IEC 60034-30-1 (2014) for low-voltage motors of 0.12–1000 kW with 2, 4, 6 and 8 poles. The class, efficiency at 100 % load and year of manufacture are on the nameplate, and efficiency is determined to IEC 60034-2-1. For powerful drives from a frequency converter take MEBKGR at 380–690 V, 50 and 60 Hz, frames 280–560, with Pt100 in the winding and bearings and anti-condensation heating. There are over 20 000 motors up to 15 MW in stock, so quick modification of existing machines is also possible. For compressors in protected design see MEBKGD, and for direct current MEBGVF.
Request a price and lead time
MEBK / MEBKA / MEBKGR (LV) low-voltage squirrel-cage induction motors IE2–IE4. We reply within one business day.
Or email office@usk.ua or call +38 (044) 339-50-20.
FAQ
What efficiency classes do MEBK, MEBKA and MEBKGR motors have?
IE2, IE3 and IE4 per IEC 60034-30-1. The class and efficiency at 100 % load are shown on the rating plate.
Up to what power are low-voltage motors of these series made?
Standard IEC motors MEBKA and MEBK up to 1000 kW, and large low-voltage MEBKGR up to 2600 kW in frames 280–560.
What voltages are the motors designed for?
230, 400 and 690 V with a tolerance of ±10 %. Multi-range nameplates for 50 and 60 Hz are available, for example 380–420/660–720 V.
What protection degree and insulation class are standard?
IP55 to IEC 34-5 and class F insulation used to class B. Class H is optionally available.
What can replace AIR, 5A, 4A and 5AM motors?
These general-purpose series are replaced by MEBK and MEBKA motors. They are fitted to pumps, fans, compressors, conveyors, mills, mixers and shredders.
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IMfinity FLSESThree-phase LV induction motors in cast-iron frame IE3/IE4, 0.75–900 kWREQUEST
Need a price, lead time or replacement?
Send us a request and we will confirm the configuration, lead time and delivery terms. We reply by email.