Promotion to the first division
With the market launch of its first IE5-certified “Super High-Efficiency Motor,” LS ELECTRIC from South Korea is delivering an energy-efficient key solution, particularly for industries such as steel and cement.
22 Oct 2025Share
Electric motors are known to convert electrical energy into mechanical energy, thereby generating rotational force. What is less well known is that industrial motors account for around half of global electricity consumption and therefore represent a critical area for reducing energy consumption. The energy efficiency of electric motors is assessed using IE (International Efficiency) values, a standard set by the International Electrotechnical Commission (IEC) – IE5 currently represents the highest efficiency available.
Improving the efficiency of electric motors requires a combination of electrical engineering, materials engineering, and production, design, and structural technology. The market for IE5 high-efficiency motors is therefore dominated by just a few large international companies such as ABB and Siemens. In South Korea, LS ELECTRIC is now the first supplier of such a product.
Particularly in industries such as steel, cement, and water treatment, which require high energy consumption and long operating times, optimization using IE5-certified motors can result in significant savings in electricity costs. According to calculations, the use of highly efficient models could reduce annual electricity consumption by around nine terawatt hours in South Korea alone. It is therefore expected that the use of IE4 and higher class motors will become mandatory in South Korea in 2026. In Europe, IE4 has already been mandatory since July 2023.
In light of this development, LS ELECTRIC plans to significantly expand its energy efficiency systems business by combining the newly introduced high-efficiency motors with key automation solutions.
In particular, the use of high-efficiency motors in combination with inverters in environments that require precise control and high efficiency can achieve average energy savings of 37 percent. The company intends to tap into the market for high-end motors with package solutions that include integrated inverters. The first step is the newly introduced “Super High-Efficiency Motor” for industries such as steel and cement.
A representative from LS ELECTRIC stated, “By adding ultra-high-efficiency motors to our world-class automation products, we have created a comprehensive range of energy efficiency solutions. By expanding our business with smart energy platforms, we aim to solidify our leadership position in the field of energy management.”
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