Hoyer HMC2 280M-2
Series: HMC2
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Hoyer HMC2 – register of three-phase motors in the upper power range: 30 versions, 11 to 160 kW, 2- to 6-pole, protection ratings IP23 to IP66, frame sizes 160 to 315, made in China
The HMC2 range at Hoyer covers three-phase motors in the upper power range, whose model name carries frame size and version directly, for example HMC2 200L1-2 for the two-pole version of frame size 200L1 or HMC2 280M-4 for the four-pole 280M version.
Read on 3 more paragraphs
The register lists here 30 versions with 11 to 160 kW, two- to six-pole, at a uniform mains voltage of 400 V. Full-load efficiencies range from 89.97 to 95.24% and at 75% load from 90.34 to 95.35%. Frame sizes run from 160 to 315 under IEC; the range covers protection ratings from IP23 to IP66 and mounting codes from the B3 foot mount to vertical forms such as V18 and V19, made in China and tested to the GEMS 2019 determinations with test method 2-1-1B.
With outputs from 11 to 160 kW, HMC2 targets medium to large industrial drives for pumps, fans, compressors and conveyors, where the wide choice of protection ratings and mounting forms allows use from dry indoor spaces to outdoor installation.
When buying used, what matters is 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 frame size, protection rating and mounting code; on the larger frame sizes from 250 upward it is also worth checking the rolling-bearing lubrication and any relubrication fittings.
Sources: SpecCodex register, model data: Hoyer HMC2
Technical data
Engine
| Rated output | 90 kWcorrect |
|---|
Electrical data
| Rated voltage | 400 Vcorrect |
|---|---|
| Number of poles | 2correct |
| Protection class | IP23, IP44, IP55, IP56, IP57, IP65, IP66correct |
| Frame size | 280 M (foot)correct |
| Mounting (IEC 60034-7) | B3, B5, B6, B7, B8, B14, B35, V1, V3, V5, V6, V18, V19correct |
| Efficiency at full load | 94.2 %correct |
| Efficiency at 75 % load | 94 %correct |
| Efficiency at half load | 93 %correct |
Origin and approval
| Country of manufacture | Chinacorrect |
|---|
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 Hoyer HMC2 280M-2 have?
The Hoyer HMC2 280M-2 delivers 90 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 21 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
HMC2 160L-2
HMC2 160L-4
HMC2 160M-4
HMC2 160M1-2
HMC2 160M2-2
HMC2 180L-2
HMC2 180L-4
HMC2 180L1-4
HMC2 180M-2
HMC2 180M-4
HMC2 200L-4
HMC2 200L1-2
Sources: Energy Rating — Australian government equipment register (retrieved August 2026) · How we check the data
Electric motor in 3D section
Turn the model, look inside and click an assembly — each one is explained.
