What is EN 60947-4-3:2020 ?

Title: A Comprehensive Guide to EN 60664-3:2020 and EN 60255-26:2020

Introduction:

The EN 60664-3:2020 and EN 60255-26:2020 standards are essential for ensuring the safety, reliability, and quality of electrical equipment and systems. These comprehensive technical specifications provide guidelines for manufacturers, engineers, and other industry professionals to follow in order to avoid electrical hazards and ensure safe operation of electrical equipment.

Main Requirements:

EN 60664-3:2020 and EN 60255-26:2020 establish consistent guidelines for manufacturers, designers, and installers to follow when designing, testing, and certifying electrical equipment and systems. The main requirements of these standards are designed to ensure the safe and reliable operation of electrical equipment, including:

Electrical Safety: Both EN 60664-3:2020 and EN 60255-26:2020 provide guidelines for electrical safety, including the use of appropriate insulation, labeling, and warning signs, to prevent electrical hazards.

Performance: The standards specify the performance requirements and test procedures for electrical equipment, including the accuracy and reliability of protective relays, and the ability of protective relays to operate under various operating conditions and system faults.

Environmental Resistance: Both standards require electrical equipment to be designed and manufactured to withstand the environmental conditions in which it will be used, including resistance to humidity, moisture, and other factors that could affect its performance or longevity.

Electrical Interference: The standards provide guidelines for minimizing electrical interference, including the use of shielded cables, grounded systems, and other techniques to reduce the risk of electrical interference.

Safety and Troubleshooting: The standards require manufacturers to provide clear and concise instructions for troubleshooting and repairing electrical equipment, including a description of the steps that should be taken to identify and resolve potential hazards.

Conclusion:

EN 60664-3:2020 and EN 60255-26:2020 are essential standards for ensuring the safety, reliability, and quality of electrical equipment and systems. These standards provide guidelines for manufacturers, engineers, and other industry professionals to follow when designing, testing, and certifying electrical equipment and systems. By following these standards, industry professionals can ensure that electrical equipment and systems are safe, reliable, and effective in protecting power systems from various abnormalities.