What is IEC 60317-21:2017 ?

IEC 60947 Part 2:2016 is an essential international standard that outlines the requirements for low-voltage switchgear. The standard was developed to establish uniform and consistent standards for the design, testing, and performance of circuit-breakers, switches, and related control devices. It aims to ensure the safety, reliability, and performance of electrical equipment, systems, and devices.

Key Aspects of IEC 60947 Part 2:2016

1. General Characteristics:

IEC 60947 Part 2:2016 defines the general characteristics of the switchgear, including the materials used, the dimensions, and the performance categories. It also establishes the testing procedures and requirements for the switchgear.

2. Testing:

The standard outlines the testing procedures for low-voltage circuit-breakers, including the testing methods, test procedures, and test equipment. It also specifies the requirements for the testing equipment, such as the test voltage, current, and temperature.

3. Performance:

IEC 60947 Part 2:2016 sets the performance requirements for low-voltage circuit-breakers, including the maximum allowable voltage, current, and thermal rise. It also specifies the testing procedures for measuring the performance of the switchgear.

4. Safety:

The standard emphasizes the importance of safety in the design, testing, and use of circuit-breakers. It sets the requirements for the materials used, the dimensions, and the performance categories. It also specifies the requirements for the testing procedures and the safety features of the switchgear.

Conclusion

IEC 60947 Part 2:2016 is an essential international standard that establishes uniform requirements and methods for the design, testing, and performance of low-voltage switchgear. By adhering to the guidelines outlined in this standard, manufacturers, designers, and engineers can ensure the safety, reliability, and performance of electrical equipment, systems, and devices.