The IEC standard defines suitable methods for efficiently cooling electric motors. The three most frequently used motor cooling methods have the following IC designated codes according to the IEC 60034-6 standard: IC 410, IC 411, and IC 418 are applied.
IC 410
In this cooling method, the electric motor is essentially cooled by free convection current from the air.
IC 411
In this cooling method, the motor is cooled by a fan mounted on the motor shaft. This is the most common method for cooling electric motors you will find in the industry.
IC 418
With this cooling method, the motor is cooled by an air flow typically coming from an externally mounted fan. The various cooling methods are illustrated in the diagram below:
IC 410
In this cooling method, the electric motor is essentially cooled by free convection current from the air.
IC 411
In this cooling method, the motor is cooled by a fan mounted on the motor shaft. This is the most common method for cooling electric motors you will find in the industry.
IC 418
With this cooling method, the motor is cooled by an air flow typically coming from an externally mounted fan. The various cooling methods are illustrated in the diagram below:
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| Cooling Methods for Electric Motors |
Mr. Muhammad Saqib, M.Sc. (PAK), Research Fellow (PAK), a member of IEEE, is a Fulbright Alumnus and earned his Master’s Degree in Electrical and Power Engineering from University Of Engineering And Technology Taxila, PAKISTAN.
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