LEROY_SOMER Leroy Somer FLSES 400LB4
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 FLSES 400LB4 — Product Overview
The LEROY_SOMER Leroy Somer FLSES 400LB4 is a three-phase asynchronous squirrel-cage induction motor designed for demanding industrial applications. It delivers 500 kW of rated power at 1500 RPM , built on IEC frame 400.
With IE3 energy efficiency classification, this motor delivers superior performance while meeting current EU MEPS (Minimum Energy Performance Standards) under EU regulation 2019/1781. The IE3 class is mandatory in the EU for most motor applications above 0.75 kW, making this unit fully compliant for European installations.
- 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: Frankreich
Available Mounting Configurations
The Leroy Somer FLSES 400LB4 is available in 3 mounting configurations: B3, B35, B5. Each configuration has its own article number, enabling direct procurement without substitution errors.
Technical Specifications
| Rated Power | 500 kW |
| Number of Poles | 4 |
| IEC Frame Size | 400 mm |
| Rated Speed | 1500 RPM |
| Energy Efficiency Class | IE3 |
| Rated Current (400V) | 857 A |
| Rated Torque | 3217 Nm |
| Full Load Efficiency | 96.5 % |
| Efficiency at 75% Load | 96.67 % |
| Efficiency at 50% Load | 96.39 % |
| Power Factor (cos φ) | 0.87 |
| Weight | 2630 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 | Frankreich |
| Article INDASTRA | FLSES 400LB4-IE3-500-1490 |
Available Mounting Configurations
Each configuration is a distinct article. Click to open the dedicated product page with full documentation.
| Article | Mounting | Price | Delivery | Status | |
|---|---|---|---|---|---|
| FLSES 400LB4-IE3-500-1490-B3 | B3 | On request | Auf Anfrage | In stock | |
| FLSES 400LB4-IE3-500-1490-B35 | B35 | On request | Auf Anfrage | In stock | |
| FLSES 400LB4-IE3-500-1490-B5 | B5 | On request | Auf Anfrage | In stock |
Product Documentation
Industrial Applications
Typical use-cases where LEROY_SOMER Leroy Somer FLSES 400LB4 is deployed:
Analogs to LEROY_SOMER Leroy Somer FLSES 400LB4
20 compatible replacementsFunctionally equivalent motors — same frame, power, and pole count from alternative manufacturers.
| Parameter |
LEROY_SOMER
Leroy Somer FLSES 400LB4
500 kW · 1500 RPM
Current
|
Cantoni motor
Cantoni motor 3SIE 400H4C
450 kW · 1500 RPM
60% match
|
Cantoni motor
Cantoni motor 3SIE 400H4D
500 kW · 1500 RPM
100% match
|
Cantoni motor
Cantoni motor 3SIE 400H4E
560 kW · 1500 RPM
60% match
|
Cantoni motor
Cantoni motor 3SIE 400H4F
600 kW · 1500 RPM
60% match
|
Cantoni motor
Cantoni motor 3SIEK 400H4C
450 kW · 1500 RPM
60% match
|
Cantoni motor
Cantoni motor 3SIEK 400H4D
500 kW · 1500 RPM
100% match
|
Cantoni motor
Cantoni motor 3SIEK 400H4E
560 kW · 1500 RPM
60% match
|
Cantoni motor
Cantoni motor 3SIEK 400H4F
600 kW · 1500 RPM
60% match
|
Cantoni motor
Cantoni motor 3SIEL 400H4C
450 kW · 1500 RPM
60% match
|
Cantoni motor
Cantoni motor 3SIEL 400H4D
500 kW · 1500 RPM
100% match
|
|---|---|---|---|---|---|---|---|---|---|---|---|
| Brand | LEROY_SOMER | Cantoni motor | Cantoni motor | Cantoni motor | Cantoni motor | Cantoni motor | Cantoni motor | Cantoni motor | Cantoni motor | Cantoni motor | Cantoni motor |
| Part Number | FLSES 400LB4-IE3-500-1490 |
3SIE 400H4C-IE3-450-1490 | 3SIE 400H4D-IE3-500-1491 | 3SIE 400H4E-IE3-560-1491 | 3SIE 400H4F-IE3-600-1491 | 3SIEK 400H4C-IE3-450-1490 | 3SIEK 400H4D-IE3-500-1491 | 3SIEK 400H4E-IE3-560-1491 | 3SIEK 400H4F-IE3-600-1491 | 3SIEL 400H4C-IE3-450-1490 | 3SIEL 400H4D-IE3-500-1491 |
| Power (kW) | 500 kW | 450 kW | 500 kW | 560 kW | 600 kW | 450 kW | 500 kW | 560 kW | 600 kW | 450 kW | 500 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 | 400 | 400 | 400 | 400 | 400 | 400 | 400 | 400 | 400 | 400 | 400 |
| Efficiency | IE3 | IE3 | IE3 | IE3 | IE3 | IE3 | IE3 | IE3 | IE3 | IE3 | IE3 |
| Country | Frankreich | — | — | — | — | — | — | — | — | — | — |
| 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 FLSES 400LB4
The LEROY_SOMER Leroy Somer FLSES 400LB4 belongs to efficiency class IE3 as per IEC 60034-30-1. IE3 (Premium Efficiency) is the standard efficiency class in the EU for motors from 0.75 kW.
The LEROY_SOMER Leroy Somer FLSES 400LB4 is available in the following mounting configurations: B3, 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 500 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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