Technological Innovation

What is IEC class?

IEC class refers to the International Electrotechnical Commission (IEC) standards used for classifying electrical equipment based on their performance and characteristics. These standards provide a common framework for manufacturers, regulators, and consumers to ensure that electrical devices are safe, efficient, and reliable.

Importance of IEC class

The classification system defined by IEC helps in determining the suitability of electrical equipment for specific applications and environments. It provides valuable information to users, enabling them to make informed decisions while purchasing or using electrical devices.

IEC class ratings are important because:

They indicate the level of protection against electrical hazards such as electric shock or fire.

They ensure compatibility between different electrical components and systems.

They facilitate international trade by harmonizing technical requirements across borders.

Understanding IEC class codes

IEC class codes consist of different letters and numbers that represent specific properties and functions of electrical equipment. Here are some common class codes:

IP Rating

IP stands for Ingress Protection and indicates the degree of protection provided by a device against intrusion of solid objects (e.g., dust) and liquids (e.g., water). An IP rating like IP65 signifies a high level of protection suitable for outdoor use or harsh industrial environments.

Insulation Class

Insulation class identifies the maximum temperature that an electrical device can withstand without degrading its insulation properties. Common classes include Class B, F, and H, with higher classes offering better resistance to heat.

Operating Temperature Range

This code refers to the range of ambient temperatures within which an electrical device can operate safely and maintain its specified performance. It is crucial to consider this factor while installing equipment in extreme hot or cold conditions.


The IEC class system plays a vital role in ensuring the safety, efficiency, and reliability of electrical equipment. By understanding the different class codes, users can select the right devices for their specific needs and applications.


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TAGS Test Probe BTest Probe 18Test Probe 11Go GaugesIEC 61032IEC 60335Test PinTest FingerIEC 60061-3Wedge Probe7006-29L-47006-27D-37006-11-87006-51-27006-51A-2 7006-50-17006-27C-17006-28A-1Test Probe7006-27B-1IEC 61010IEC 60529IEC 60068-2-75