What is EN 60255-2:2020?

EN 60255-2:2020 is a technical standard that specifies the requirements for electrical relays used in control and protection systems. This standard outlines the performance criteria, test procedures, and functional capabilities of these relays, ensuring their reliability and compatibility with different power system configurations.

Scope of EN 60255-2:2020

The scope of EN 60255-2:2020 covers the testing and performance requirements for relays used in power systems. These relays are crucial components in control and protection applications, ensuring the safe and reliable operation of electrical networks.

Specifically, this standard applies to relays used in transmission, distribution, and generation systems, as well as in industrial installations. It includes protective relays, measuring relays, and monitoring relays used in various applications such as overcurrent protection, voltage supervision, frequency control, and more.

Key Requirements and Testing Procedures

EN 60255-2:2020 defines several key requirements that relays must meet to ensure their proper functioning and reliable performance. These requirements include accuracy, responsiveness, stability, and compatibility with different network conditions.

To assess these requirements, the standard provides specific testing procedures that manufacturers must follow. These tests cover a range of operating conditions, including temperature variations, electromagnetic disturbances, and fault simulations. By subjecting the relays to these rigorous tests, the standard ensures their ability to withstand real-world scenarios and perform consistently.

Benefits of EN 60255-2:2020 Compliance

Complying with EN 60255-2:2020 offers several benefits to manufacturers, utilities, and end-users of relays. Firstly, it ensures the compatibility and interoperability of relays from different manufacturers, allowing for flexibility in system design and expansion.

Secondly, EN 60255-2:2020 compliance guarantees the reliability and accuracy of relay operations. This helps prevent unnecessary power outages, equipment damage, and safety hazards. With reliable and responsive relays, power systems can effectively mitigate faults and disturbances, minimizing downtime and improving overall system performance.

Furthermore, compliance with this standard enhances the overall quality and market competitiveness of relays. It provides customers with confidence in the product's performance and longevity, ultimately leading to better investment decisions and customer satisfaction.