VEM
VEM VEM K20R 280 S8
About VEM
VEM from Германия 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.
VEM VEM K20R 280 S8 — Product Overview
The VEM VEM K20R 280 S8 is a three-phase asynchronous squirrel-cage induction motor designed for demanding industrial applications. It delivers 55 kW of rated power at 750 RPM , built on IEC frame 280.
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: Германия
Available Mounting Configurations
The VEM K20R 280 S8 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 | 55 kW |
| Number of Poles | 8 |
| IEC Frame Size | 280 mm |
| Rated Speed | 750 RPM |
| Energy Efficiency Class | IE1 |
| Rated Current (400V) | 108 A |
| Rated Torque | 710 Nm |
| Full Load Efficiency | 92.1 % |
| Efficiency at 75% Load | 91 % |
| Efficiency at 50% Load | 89.5 % |
| Power Factor (cos φ) | 0.8 |
| Weight | 690 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 | VEM |
| Country of Origin | Германия |
| Article INDASTRA | K20R 280 S8-55-740 |
Available Mounting Configurations
Each configuration is a distinct article. Click to open the dedicated product page with full documentation.
| Article | Mounting | Price | Delivery | Status | |
|---|---|---|---|---|---|
| K20R 280 S8-55-740-B3 | B3 | On request | Da verificare | In stock | |
| K20R 280 S8-55-740-B35 | B35 | On request | Da verificare | In stock | |
| K20R 280 S8-55-740-B5 | B5 | On request | Da verificare | In stock |
Product Documentation
Industrial Applications
Typical use-cases where VEM VEM K20R 280 S8 is deployed:
Analogs to VEM VEM K20R 280 S8
20 compatible replacementsFunctionally equivalent motors — same frame, power, and pole count from alternative manufacturers.
| Parameter |
VEM
VEM K20R 280 S8
55 kW · 750 RPM
Current
|
Lönne
Lönne 1TZ9 C 280M-8
45 kW · 750 RPM
60% match
|
Lönne
Lönne 1TZ9 C 280M-8
55 kW · 750 RPM
100% match
|
Lönne
Lönne 1TZ9 C 280M-8
45 kW · 750 RPM
40% match
|
Lönne
Lönne 1TZ9 C 280M-8
55 kW · 750 RPM
80% match
|
Lönne
Lönne 1TZ9 C 280M-8
45 kW · 750 RPM
40% match
|
Lönne
Lönne 1TZ9 C 280S-8
37 kW · 750 RPM
60% match
|
Lönne
Lönne 1TZ9 C 280S-8
37 kW · 750 RPM
40% match
|
Lönne
Lönne 1TZ9 C 280S-8
37 kW · 750 RPM
40% match
|
Lammers
Lammers 1TZ9502-2DD2
45 kW · 750 RPM
60% match
|
Lammers
Lammers 1TZ9502-2DD6
55 kW · 750 RPM
100% match
|
|---|---|---|---|---|---|---|---|---|---|---|---|
| Brand | VEM | Lönne | Lönne | Lönne | Lönne | Lönne | Lönne | Lönne | Lönne | Lammers | Lammers |
| Part Number | K20R 280 S8-55-740 |
1TZ9 C 280M-8-IE1-45-735 | 1TZ9 C 280M-8-IE1-55-736 | 1TZ9 C 280M-8-IE2-45-738 | 1TZ9 C 280M-8-IE2-55-736 | 1TZ9 C 280M-8-IE3-45-738 | 1TZ9 C 280S-8-IE1-37-735 | 1TZ9 C 280S-8-IE2-37-736 | 1TZ9 C 280S-8-IE3-37-736 | 280 M-8-IE1-45-735 | 280 M-8-IE1-55-736 |
| Power (kW) | 55 kW | 45 kW | 55 kW | 45 kW | 55 kW | 45 kW | 37 kW | 37 kW | 37 kW | 45 kW | 55 kW |
| Poles | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Rated Speed | 750 RPM | 750 RPM | 750 RPM | 750 RPM | 750 RPM | 750 RPM | 750 RPM | 750 RPM | 750 RPM | 750 RPM | 750 RPM |
| Frame Size | 280 | 280 | 280 | 280 | 280 | 280 | 280 | 280 | 280 | 280 | 280 |
| Efficiency | IE1 | IE1 | IE1 | IE2 | IE2 | IE3 | IE1 | IE2 | IE3 | IE1 | IE1 |
| Country | Германия | — | — | — | — | — | — | — | — | — | — |
| Price | On request | On request | On request | On request | On request | On request | On request | On request | On request | On request | On request |
| YOU ARE HERE |
More from VEM View all
FAQ — VEM VEM K20R 280 S8
The VEM VEM K20R 280 S8 belongs to efficiency class IE1 as per IEC 60034-30-1.
The VEM VEM K20R 280 S8 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. VEM 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 55 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.
Request Quote — VEM VEM K20R 280 S8
Fill in the form and our team will respond within 24 hours.