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Sanwei Y290S2

Series: Other models

The photo shows the Y2-100L1-4 from the same series. Source: https://www.agrarheute.com/technik/traktoren/fendt-variodriv

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The Y290S2 from Sanwei is a three-phase induction motor. The rated output is 1.5 kW. The motor is two-pole, which at 50 Hz gives a synchronous speed of 3,000 rpm. The rated voltage is 415 V. The housing is frame size 90 S in foot-mounted form. The protection class is IP55. The efficiency is 85.4 per cent at full load, 84.7 per cent at 75 per cent load and 81.7 per cent at half load. Mounting arrangements to IEC 60034-7: B14 and V18. 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 Sanwei range ranges from 0.75 to 22 kW; the Y290S2 sits at the bottom of that range with 1.5 kW. Its immediate neighbours are the Y290S4 below it with 1.1 kW and the Y2 90L2 above it with 2.2 kW. 46 Sanwei models are on record. The model is listed under Electric motors. 22 verified figures from 1 source are on file.

Sanwei – other models: the collective page of MEPS-registered Y2 three-phase motors outside the named ranges, frame sizes 80 to 180, 0.75 to 22 kW, two- or four-pole, from China

This page brings together the three-phase motors from Sanwei that the Australian energy-efficiency register (GEMS/MEPS) does not assign to a named series. Type designations such as Y2-100L1-4 or Y2132S4 follow the Y2 standard series widespread in China for three-phase induction motors: the series code Y2 is followed by the IEC frame size, a letter for the frame length and the pole count.

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The register lists here 36 versions with 0.75 to 22 kW, exclusively two- or four-pole, at a supply voltage of 415 V. Efficiency at full load ranges from 80.8 to 92.62%, and at 75% load from 79.5 to 92.53%. Frame sizes run from 80 to 180, almost all motors carry the IP55 rating, manufactured in China. Testing mostly followed the 2019 GEMS determination using test method B, a smaller share AS/NZS 1359.5:2004 using test method A; none of the motors reaches a High Efficiency classification under GEMS.

The page thus shows the base Y2 programme in the low-speed segment, exclusively two- and four-pole versions, with which Sanwei competes in the power band up to 22 kW against other Chinese standard-motor makers in the MEPS register.

When buying used, check the condition of the rolling bearings, a measured winding insulation resistance, visible overheating marks on the terminal box and fan cover, and a legible nameplate showing frame size, pole count and mounting code. Since none of the motors carries a High Efficiency classification, it is worth checking actual energy use under continuous duty before buying; bearings and terminal boxes for the IEC frame sizes are usually available independent of the manufacturer.

Sources: Kennwerte der Modelle Sanwei (weitere Modelle, MEPS-Registrierungen)

Technical data

Engine

Rated output	1.5 kWcorrect

Electrical data

Rated voltage	415 Vcorrect
Number of poles	2correct
Protection class	IP55correct
Frame size	90 S (foot)correct
Mounting (IEC 60034-7)	B14, V18correct
Efficiency at full load	85.4 %correct
Efficiency at 75 % load	84.7 %correct
Efficiency at half load	81.7 %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 Sanwei Y290S2 have?

The Sanwei Y290S2 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 22 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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Sanwei Y290S2

Sanwei – other models: the collective page of MEPS-registered Y2 three-phase motors outside the named ranges, frame sizes 80 to 180, 0.75 to 22 kW, two- or four-pole, from China

Technical data

Engine

Electrical data

Origin and approval

Other data

Frequently asked questions

What to check before buying

Other models in this series

18.5

22

Y2-100L1-4

Y2-100L2-4

Y2-112M-4

Y2-132M-4

Y2-132S-4

Y2-160L-4

Y2-160M-4

Y2-180L-4

Y2-180M-2

Y2-180M-4

Electric motor in 3D section