LEROY_SOMER Leroy Somer LS 90L4
About LEROY_SOMER
LEROY_SOMER from France is a leading manufacturer of industrial equipment, supplying reliable products to customers worldwide. All products come with original manufacturer documentation, CE certification, and full technical support.
LEROY_SOMER Leroy Somer LS 90L4 — Product Overview
The LEROY_SOMER Leroy Somer LS 90L4 is a three-phase asynchronous squirrel-cage induction motor designed for demanding industrial applications. It delivers 1.8 kW of rated power at 1500 RPM , built on IEC frame 90.
With IE1 energy efficiency classification, this motor delivers superior performance while meeting current EU MEPS (Minimum Energy Performance Standards) under EU regulation 2019/1781.
- IP55 degree of protection — dust-tight and jet-water resistant
- Insulation Class F, thermal protection class B — suitable for ambient temperatures up to +40°C
- Duty cycle S1 (continuous operation)
- Cooling method IC411 (totally enclosed fan-cooled, TEFC)
- CE marked, RoHS compliant, meets IEC/EN 60034
- Country of manufacture: Francja
Available Mounting Configurations
The Leroy Somer LS 90L4 is available in 5 mounting configurations: B14, B3, B34, B35, B5. Each configuration has its own article number, enabling direct procurement without substitution errors.
Technical Specifications
| Rated Power | 1.8 kW |
| Number of Poles | 4 |
| IEC Frame Size | 90 mm |
| Rated Speed | 1500 RPM |
| Energy Efficiency Class | IE1 |
| Rated Current (400V) | 3.95 A |
| Rated Torque | 12 Nm |
| Full Load Efficiency | 79.9 % |
| Efficiency at 75% Load | 81.3 % |
| Efficiency at 50% Load | 80 % |
| Power Factor (cos φ) | 0.82 |
| Weight | 14.8 kg |
| Supply Voltage | 400V / 690V (Y/Δ) |
| Frequency | 50 / 60 Hz |
| Protection Class | IP55 |
| Insulation Class | Class F |
| Duty Cycle | S1 (Continuous) |
| Cooling Method | IC411 (TEFC) |
| Standards | IEC/EN 60034, CE |
| Brand | LEROY_SOMER |
| Country of Origin | Francja |
| Article INDASTRA | LS 90L4-IE1-1,8-1435 |
Available Mounting Configurations
Each configuration is a distinct article. Click to open the dedicated product page with full documentation.
| Article | Mounting | Price | Delivery | Status | |
|---|---|---|---|---|---|
| LS 90L4-IE1-1,8-1435-B14 | B14 | On request | Zapytaj | In stock | |
| LS 90L4-IE1-1,8-1435-B3 | B3 | On request | Zapytaj | In stock | |
| LS 90L4-IE1-1,8-1435-B34 | B34 | On request | Zapytaj | In stock | |
| LS 90L4-IE1-1,8-1435-B35 | B35 | On request | Zapytaj | In stock | |
| LS 90L4-IE1-1,8-1435-B5 | B5 | On request | Zapytaj | In stock |
Product Documentation
Industrial Applications
Typical use-cases where LEROY_SOMER Leroy Somer LS 90L4 is deployed:
Analogs to LEROY_SOMER Leroy Somer LS 90L4
20 compatible replacementsFunctionally equivalent motors — same frame, power, and pole count from alternative manufacturers.
| Parameter |
LEROY_SOMER
Leroy Somer LS 90L4
1.8 kW · 1500 RPM
Current
|
Lönne
Lönne 1TZ9 A 90L-4
1.5 kW · 1500 RPM
60% match
|
Lönne
Lönne 1TZ9 A 90L-4
1.5 kW · 1500 RPM
40% match
|
Lönne
Lönne 1TZ9 A 90L-4
2.2 kW · 1500 RPM
40% match
|
Lönne
Lönne 1TZ9 A 90L-4
1.5 kW · 1500 RPM
40% match
|
Lönne
Lönne 1TZ9 A 90S-4
1.1 kW · 1500 RPM
60% match
|
Lönne
Lönne 1TZ9 A 90S-4
1.1 kW · 1500 RPM
40% match
|
Lönne
Lönne 1TZ9 A 90S-4
1.1 kW · 1500 RPM
40% match
|
Cantoni motor
Cantoni motor 2SIE 90L4
1.5 kW · 1500 RPM
40% match
|
Cantoni motor
Cantoni motor 2SIE 90S4
1.1 kW · 1500 RPM
40% match
|
Cantoni motor
Cantoni motor 2SIEK 90L4
1.5 kW · 1500 RPM
40% match
|
|---|---|---|---|---|---|---|---|---|---|---|---|
| Brand | LEROY_SOMER | Lönne | Lönne | Lönne | Lönne | Lönne | Lönne | Lönne | Cantoni motor | Cantoni motor | Cantoni motor |
| Part Number | LS 90L4-IE1-1,8-1435 |
1TZ9 A 90L-4-IE1-1,5-1410 | 1TZ9 A 90L-4-IE2-1,5-1435 | 1TZ9 A 90L-4-IE2-2,2-1425 | 1TZ9 A 90L-4-IE3-1,5-1445 | 1TZ9 A 90S-4-IE1-1,1-1405 | 1TZ9 A 90S-4-IE2-1,1-1425 | 1TZ9 A 90S-4-IE3-1,1-1440 | 2SIE 90L4-IE2-1,5-1425 | 2SIE 90S4-IE2-1,1-1425 | 2SIEK 90L4-IE2-1,5-1425 |
| Power (kW) | 1.8 kW | 1.5 kW | 1.5 kW | 2.2 kW | 1.5 kW | 1.1 kW | 1.1 kW | 1.1 kW | 1.5 kW | 1.1 kW | 1.5 kW |
| Poles | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Rated Speed | 1500 RPM | 1500 RPM | 1500 RPM | 1500 RPM | 1500 RPM | 1500 RPM | 1500 RPM | 1500 RPM | 1500 RPM | 1500 RPM | 1500 RPM |
| Frame Size | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 90 |
| Efficiency | IE1 | IE1 | IE2 | IE2 | IE3 | IE1 | IE2 | IE3 | IE2 | IE2 | IE2 |
| Country | Francja | — | — | — | — | — | — | — | — | — | — |
| Price | On request | On request | On request | On request | On request | On request | On request | On request | On request | On request | On request |
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FAQ — LEROY_SOMER Leroy Somer LS 90L4
The LEROY_SOMER Leroy Somer LS 90L4 belongs to efficiency class IE1 as per IEC 60034-30-1.
The LEROY_SOMER Leroy Somer LS 90L4 is available in the following mounting configurations: B14, B3, B34, B35, B5. Each variant has its own article number and may have different lead times.
Delivery to Germany, France, Italy and other EU countries typically takes 5–15 business days from stock. Contact us for exact lead time for this specific model.
Yes. LEROY_SOMER electric motors comply with EU directives including CE marking, RoHS, and REACH regulations. All motors meet IEC/EN 60034 standards. Documentation is available upon request.
Yes — 20 compatible analog model(s) are listed on this page. They share the same frame size, pole count, and 1.8 kW power rating. Use our analog comparison table below for a detailed spec-by-spec comparison.
INDASTRA accepts international bank transfer (SWIFT/SEPA), Letters of Credit (L/C), and advance payment. All prices are in EUR excluding VAT. A formal invoice is provided for every order.
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