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Hoyer MS100L-6

Series: Other models

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The Hoyer MS100L-6 is a three-phase induction motor built by Hoyer. The rated output is 1.5 kW. The motor is six-pole, which at 50 Hz gives a synchronous speed of 1,000 rpm. The housing is frame size 100 L in foot-mounted form. The protection class is IP56. The efficiency is 81.6 per cent at full load, 82 per cent at 75 per cent load and 79.5 per cent at half load. The mounting arrangement to IEC 60034-7 is B5. The motor is built in China. The data is based on the Australian MEPS registration under the GEMS Determination 2019; measured to IEC 60034-2-1 (Edition 2.0). Rated output across the Hoyer range ranges from 0.75 to 160 kW; the MS100L-6 sits at the bottom of that range with 1.5 kW. Its immediate neighbours are the MS90L-6 below it with 1.1 kW and the HMA2 100L1-4 above it with 2.2 kW. 97 Hoyer models across 5 series are on record.

Hoyer – other models: the collective page of MEPS-registered three-phase motors outside the named ranges, a Danish maker from Hadsten, 1.1 to 1.5 kW, two- to six-pole, IP56

This page gathers the Hoyer three-phase motors the Australian energy-efficiency register could not assign to a named range. Hoyer Motors is a Danish maker of electric motors based in Hadsten; the types recorded in the register, MS100L-6, MS802-2 and MS90L-6, belong to the maker's MS range, with the frame size in the middle digits and the pole count at the end of the designation.

Read on 3 more paragraphs

The register lists here 3 versions with 1.1 to 1.5 kW, two- to six-pole, with full-load efficiencies from 78.63 to 81.64% and at 75% load from 79.32 to 81.97%. Protection is uniformly IP56, frame size runs from 80 to 100, mounting codes are B5 and B14. China is recorded as the manufacturing country; testing followed the 2019 GEMS determination with test method A; none of the three motors reaches a High Efficiency classification under GEMS.

Motors in this small power class of around 1 to 1.5 kW with the rugged IP56 protection are built for use in harsh surroundings, for instance in agriculture or outdoor installations; registration under the Australian GEMS standard shows that Hoyer certifies its range for the Australian market too, while manufacture of the registered range is based in China.

When buying used or replacing, what matters is bearing condition and a checked insulation resistance of the winding, visible overheating marks on the terminal box and fan cover, and a legible nameplate with frame size and pole count; anyone wanting to run the motor on a variable-speed drive should check its inverter suitability beforehand. Spares run through Hoyer's sales channel.

Sources: SpecCodex register, model data: Hoyer (weitere Modelle, MEPS-Registrierungen)

Technical data

Engine

Rated output	1.5 kWcorrect

Electrical data

Number of poles	6correct
Protection class	IP56correct
Frame size	100 L (foot)correct
Mounting (IEC 60034-7)	B5correct
Efficiency at full load	81.64 %correct
Efficiency at 75 % load	81.97 %correct
Efficiency at half load	79.51 %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 MS100L-6 have?

The Hoyer MS100L-6 delivers 1.5 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 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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