What is IEC 60282-4:2020 ?

IEC 60282-4:2020 is an essential technical document that outlines the selection and application of current-limiting fuses in power systems. It is widely recognized for its importance in ensuring the safety, reliability, and performance of power systems. In this article, we will explore the key components of IEC 60282-4:2020 and provide a comprehensive overview of its significance.

Design and Construction

IEC 60282-4:2020 provides guidelines for the design and construction of current-limiting fuses. The standard outlines the various components that can be used in fuses, such as the materials, dimensions, and connection types. It also specifies the testing procedures that should be followed to verify the performance and safety of these fuses.

The construction of current-limiting fuses involves the use of various materials, such as copper, aluminum, and plastic. The materials used should be selected based on the specific requirements outlined in the standard. The standard also specifies the dimensions of the fuses, including their width, height, and thickness. The connection types used in fuses should also be specified, such as, parallel, or earth-coded.

Performance Requirements

IEC 60282-4:2020 provides detailed performance requirements for current-limiting fuses. The standard specifies the maximum allowable fault current, the time-to-fuse, and the flashover voltage that can be achieved by the fuse. It also specifies the testing procedures that should be followed to verify the performance of these fuses.

The performance requirements outlined in IEC 60282-4:2020 are designed to ensure that the fuses are able to protect the electrical equipment from various fault conditions. The maximum allowable fault current is the maximum current that can be passed through the fuse without causing it to disconnect or spark. The time-to-fuse is the amount of time that the fuse should be able to withstand the maximum fault current before disconnecting. The flashover voltage is the voltage that the fuse should be able to withstand without causing it to disconnect or spark.

Testing and Verification

IEC 60282-4:2020 provides guidelines for the testing and verification of current-limiting fuses. The standard specifies the various testing procedures that should be followed to verify the performance and safety of these fuses. These procedures include the use of various testing equipment, such as oscilloscopes, and the use of various testing methods, such as the one-time voltage (OTV) test.

The testing and verification procedures outlined in IEC 60282-4:2020 are designed to ensure that the fuses are able to meet the performance and safety requirements specified in the standard. By following these procedures, manufacturers can ensure that their products are reliable and safe for use in power systems.

Conclusion

IEC 60282-4:2020 is an essential technical document that provides guidelines and requirements for the selection and application of current-limiting fuses in power systems. By following the guidelines and requirements outlined in the standard, manufacturers can ensure that their products are safe, reliable, and effective at protecting the electrical equipment from fault conditions.