Nord GBN IE3 250WP
Series: GBN
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NORD GBN – register of IE2/IE3 three-phase motors from Getriebebau NORD: 31 versions, 0.75 to 55 kW, 2- to 4-pole, voltages from 220/400 to 400/690 V, made mainly in Italy
The GBN range at NORD (Getriebebau NORD, Bargteheide) covers three-phase IEC standard motors, used either as standalone motors or to drive the company's own gearboxes. The model name carries the efficiency class directly: GBN is followed by IE2 or IE3, then the IEC frame and winding code, for example GBN IE2 100LH2 for the older efficiency class in frame size 100 or GBN IE3 225MP for the newer IE3 version in frame size 225.
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The register lists here 31 versions with 0.75 to 55 kW, two- to four-pole, with full-load efficiencies from 79.64 to 94.6% and at 75% load from 80.15 to 95.03%. The motors are built for voltage combinations such as 400/690 V or 230/400 V, protection ranges from IP55 to combinations with IP66, and manufacturing according to the register is mainly in Italy. Sixteen of the 31 versions carry the High Efficiency Level 2005 classification, the rest without one; testing followed the GEMS determinations of 2019 with test methods A, B and 2-1-1B.
As a gearbox drive and as a standalone motor, GBN competes in the industrial segment with the standard-motor ranges of ABB, Siemens and WEG; the consistent IEC frame size allows replacement independent of the gearbox maker. The registered voltage combinations from 220/400 V to 400/690 V show the design is matched to different national grids.
When buying used, what matters is the condition of bearings and shaft seals, a checked insulation resistance of the winding, visible corrosion or overheating marks on the terminal box, and a legible nameplate with frame size, efficiency class (IE2/IE3) and voltage. When paired with a NORD gearbox, it is also worth checking the key and coupling; spares run through the NORD sales network.
Sources: SpecCodex register, model data: NORD GBN, NORD (Getriebebau NORD, Hersteller)
Technical data
Engine
| Rated output | 55 kWcorrect |
|---|
Electrical data
| Rated voltage | 400/690 Vcorrect |
|---|---|
| Number of poles | 4correct |
| Protection class | IP55, IP66correct |
| Frame size | 225 M (foot)correct |
| Mounting (IEC 60034-7) | B3, B5, B14, B34, B34, B35correct |
| Efficiency at full load | 94.43 %correct |
| Efficiency at 75 % load | 95.03 %correct |
| Efficiency at half load | 95.18 %correct |
Origin and approval
| Country of manufacture | Italycorrect |
|---|
Other data
| Standard applied | Greenhouse and Energy Minimum Standards (Three Phase Electric Motors) Determination 2019correct |
|---|---|
| Test method | IEC 60034-2-1 (Edition 2.0)correct |
Frequently asked questions
How much power does the Nord GBN IE3 250WP have?
The Nord GBN IE3 250WP delivers 55 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.
We do not sell machines. We ask the dealers who carry this model and come back with price and lead time.
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This page carries 23 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
GBN IE2 100LH2
GBN IE2 112MH2
GBN IE2 132RH2
GBN IE2 132SH2
GBN IE2 160MH
GBN IE2 160MH IDB/IDC
GBN IE2 180
GBN IE2 180LH IDB/IDC
GBN IE2 180MH
GBN IE2 180MH IDB/IDC
GBN IE2 80LH2
GBN IE2 80SH2
Sources: Energy Rating — Australian government equipment register (retrieved August 2026) · How we check the data
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