Frequency converter

Flexible in use.
Easy to operate. Measurably efficient.

Renowned clients trust in our products.

What our customers say

“Our order arrived within 24 hours. That’s something you rarely experience.”

– Purchaser, mechanical engineering company

“I appreciate honesty—if something isn’t right, they say so openly and suggest alternatives.”

– Technician, plant engineering

“You call and get a technician on the phone right away, not a call center. That saves time and stress.”

– Service technician at a mechanical engineering company

"Our order arrived within 24 hours. That's something you rarely experience."

– Purchaser, mechanical engineering company

"I appreciate honesty—if something isn't right, they say so openly and suggest alternatives."

– Technician, plant engineering

"You call and get a technician on the phone right away, not a call center. That saves time and stress."

– Service technician at a mechanical engineering company

BLEMO frequency converters:

Always the optimum performance.

With our frequency converters, you can control speed, torque, and process values precisely as required. This allows you to get more performance out of your systems, reduce energy consumption and wear, and increase process stability, from simple drives to demanding industrial applications.

Our frequency converters are suitable for synchronous and asynchronous motors, can be quickly parameterized, and offer clear diagnostics for service and maintenance. This enables you to achieve reliable operation, reproducible results, and less downtime.

Typical practical advantages

Save energy

through demand-based speed control

Gentle operation

for motor, bearings, transmission, and mechanics

Wide range of applications

for pumps, fans, conveyor technology, compressors, and mechanical engineering

More stable processes

through constant control quality

Quick commissioning

through structured parameterization

Clear error diagnosis

for shorter downtimes

Areas of application

Frequency converters for....

Building services engineering / Air conditioning technology

Perfect for fans, ventilation units, and pumps in HVAC systems.

They maintain constant pressure and volume flow, reduce noise, save energy, and can be seamlessly integrated into building automation systems.

ER321

Designed for performance, intelligence, and protection;
Industrial and commercial applications;
0.75 to 75.0 kW, 380 to 480 V;
3~ Protection class IP21 and IP54/55;

ER24G

Highest protection IP66 and flexibility;
Up to 6 versions available;
0.18 to 7.5 kW, 200 to 500 V, 1~ and 3~;

ER12

Low power consumption;
Excellent operating performance;
Outstanding performance;
0.18 to 4.0 kW, 200 to 240 V, 1~, 3~;

ER24K/B Compact and book-type design; Comprehensive integrated safety functions; 0.18 to 22 kW, 200 to 500 V; 1~ and 3~ Protection class IP20;

ER41

Specially developed for industrial processes;
Integrated pump characteristic curve;
0.75 to 2600 kW, 380 to 690 V;
3~Protection class IP21 to IP55;

Frequency converters for building services engineering Close

Mechanical and plant engineering

Greater process control, flexible parameterization, and easy integration via common interfaces.

This allows machines to run more stably, efficiently, and with greater scalability, even with changing product requirements.

ER24G

Highest protection IP66 and flexibility;
Up to 6 versions available;
0.18 to 7.5 kW, 200 to 500 V, 1~ and 3~;

ER12

Low power consumption;
Excellent operating performance;
Outstanding performance;
0.18 to 4.0 kW, 200 to 240 V, 1~, 3~;

ER24K/B

Compact and book form;
Comprehensive integrated safety features;
0.18 to 22 kW, 200 to 500 V;
1~ and 3~ Protection class IP20;

ER41

Specially developed for industrial processes;
Integrated pump characteristic curve;
0.75 to 2600 kW, 380 to 690 V;
3~Protection class IP21 to IP55;

Frequency converters for mechanical and plant engineering Close

Pumps

Constant pressure, smooth start-up, and demand-based control significantly reduce electricity costs.

In addition, the intelligent motor control protects against pressure surges and reduces mechanical stress.

ER321

Designed for performance, intelligence, and protection;
Industrial and commercial applications;
0.75 to 75.0 kW, 380 to 480 V;
3~ Protection class IP21 and IP54/55;

ER24G

Highest protection IP66 and flexibility;
Up to 6 versions available;
0.18 to 7.5 kW, 200 to 500 V, 1~ and 3~;

ER12

Low power consumption;
Excellent operating performance;
Outstanding performance;
0.18 to 4.0 kW, 200 to 240 V, 1~, 3~;

ER24K/B

Compact and book form;
Comprehensive integrated safety features;
0.18 to 22 kW, 200 to 500 V;
1~ and 3~ Protection class IP20;

ER41

Specially developed for industrial processes;
Integrated pump characteristic curve;
0.75 to 2600 kW, 380 to 690 V;
3~Protection class IP21 to IP55;

Frequency inverters for pumps Close

Refrigeration

Ideal for compressors, condenser fans, and pumps.

Frequency converters adjust the power precisely to the actual cooling demand, thereby significantly improving the efficiency of the system.

ER24G

Highest protection IP66 and flexibility;
Up to 6 versions available;
0.18 to 7.5 kW, 200 to 500 V, 1~ and 3~;

ER12

Low power consumption;
Excellent operating performance;
Outstanding performance;
0.18 to 4.0 kW, 200 to 240 V, 1~, 3~;

ER24K/B

Compact and book form;
Comprehensive integrated safety features;
0.18 to 22 kW, 200 to 500 V;
1~ and 3~ Protection class IP20;

ER41

Specially developed for industrial processes;
Integrated pump characteristic curve;
0.75 to 2600 kW, 380 to 690 V;
3~Protection class IP21 to IP55;

Frequency converters for refrigeration technology Close

Conveyor technology

Gentle start, controlled braking, and smooth acceleration ramps protect the mechanics and product.

This reduces downtime and ensures smooth, reliable conveyor processes.

ER24G

Highest protection IP66 and flexibility;
Up to 6 versions available;
0.18 to 7.5 kW, 200 to 500 V, 1~ and 3~;

ER12

Low power consumption;
Excellent operating performance;
Outstanding performance;
0.18 to 4.0 kW, 200 to 240 V, 1~, 3~;

ER24K/B

Compact and book form;
Comprehensive integrated safety features;
0.18 to 22 kW, 200 to 500 V;
1~ and 3~ Protection class IP20;

ER41

Specially developed for industrial processes;
Integrated pump characteristic curve;
0.75 to 2600 kW, 380 to 690 V;
3~Protection class IP21 to IP55;

Frequency converters for conveyor technology Close

Medium-voltage frequency converter

For large drives in industry and infrastructure, such as large pumps, fans, and compressors. They reduce starting currents, increase grid compatibility, and provide efficient control even in the megawatt range.

Your personal contact person

The focus is always on people. Not machines.

B.Eng. Marc Scherer
Managing Director

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Service

Always by your side! At BLEMO, you get more than just technology—you get sustainable solutions you can rely on.

Everything from a single source:
From commissioning to maintenance and warranty extension to repairs

Frequency converter

BLEMO frequency converters:

Always the optimum performance.

Save energy

Gentle operation

Wide range of applications

More stable processes

Quick commissioning

Clear error diagnosis

Areas of application

Frequency converters for....

Building services engineering / Air conditioning technology

Mechanical and plant engineering

Pumps

Refrigeration

Conveyor technology

Medium-voltage frequency converter

The focus is always on people. Not machines.

Download

Service

– BLEMO combines high-quality technology with first-class service.