What is IEC 60335-3-4 ?

IEC 60335-3-4 is a standard published by the International Electrotechnical Commission (IEC) that defines the test method for electrical equipment under fire conditions. This standard is used to evaluate the electrical equipment's ability to resist fire damage and continue to function during a fire test.

The standard is divided into four parts, each covering a different aspect of the fire test. The first part covers the general requirements for fire tests, including the use of fire test equipment, the testing environment, and the testing procedures.

The second part covers the requirements for the electrical equipment to be tested, including the electrical characteristics of the equipment, the type of fire test equipment used, and the testing procedures.

The third part covers the requirements for the testing environment, including the temperature, humidity, and other environmental factors that may affect the electrical equipment during the fire test.

The fourth and final part of the standard covers the requirements for the fire test itself, including the type of fire, the testing location, and the testing equipment.

IEC 60335-3-4 is an important standard that ensures the safety of electrical equipment. By following the requirements of this standard during the fire test, manufacturers can ensure that their products are reliable and safe for use in a variety of applications.

In conclusion, IEC 60335-3-4 is an essential standard for evaluating the safety and reliability of electrical equipment. By following the guidelines outlined in this standard, manufacturers can produce electrical equipment that meets the necessary safety requirements for use in a variety of industries.