The demand for energy-efficient motors has been increasing for years. The reasons: regulations and sustainability concepts, but also cost savings. When purchasing a conveyor, if you select the right motor, it pays off double.

The world is consuming ever more energy and resources, which has catastrophic consequences for the environment. That’s why sparing use and conscious action are our duty. CO2 emissions must be minimized, and energy costs reduced. Electric drives play a central role here, for machines that are driven by electric motors are responsible for the lion’s share of total industrial consumption of electricity. Regulations aim to increase their energy efficiency.

Efficiency class of at least IE2 is the law

Since July 1, 2021, in the 120 to 750W power range, according to the directive (EU) 2019/1781 for the execution of the eco design directive 2009/125/EC, therefore, only line-driven electric motors with an efficiency class of at least IE2 can be sold in Europe. The higher the efficiency class of a motor, the more complex and costly its production. However, you should not be deceived by the higher purchase prices, for in the long term, you’ll profit from these motors’ efficiency.

High efficiency class, low energy costs

A motor with a high efficiency class costs more up front than one with a low efficiency class. To examine the whole equation, however, you have to consider the energy costs year after year. And this is precisely where motors with the highest efficiency class score points. Let’s look at an example to clarify: We’ll compare two belt conveyors in three-shift operation, which are driven by motors with a power rating of 250W; one is efficiency class IE2 and one IE5. Thanks to the high energy efficiency, at the end of the year, you save approximately EUR 200 in energy costs with the IE5-class motor.

Make the decision sustainable and for the long term

In the long term, the selection of the efficiency class is critical – for the environment on the one hand and cost planning on the other. Precisely if production requires numerous conveyors, the higher purchase prices really pay off. You will recoup the energy costs saved in just a little while – and even faster now given rising electricity prices. That’s why we build our drives as top-class IE5 devices; electronically commutated electric motors drive our conveyors and transfer systems. They are up to 25% more efficient than line-driven electric motors with a minimum efficiency class of IE2. Even in comparison to the highest efficiency class IE5, the drives for Montech’s conveyors are up to 10% more efficient.

We’ll be happy to advise you

Do you have a question about the energy efficiency of our motors, or do you need help selecting the right drive? We’ll be happy to help you – call us at +41 32 681 55 00 or send an e-mail to info@montech.com.