What is BS EN 61434-2:2018

BS EN 61434-2:2018, also known as the British Standard for low-voltage switchgear and controlgear assemblies - Part 2: Power switches, disconnectors, and fuse combination units, is an important standard in the electrical industry. In this article, we will explore the key features and requirements of BS EN 61434-2:2018.

Scope and Application

The scope of BS EN 61434-2:2018 covers power switches, disconnectors, and fuse combination units with rated voltages up to and including 1,000 V AC and 1,500 V DC. The standard provides guidelines for the design, construction, and testing of these components, ensuring their safe and efficient operation in various electrical installations.

Key Requirements

One of the primary objectives of BS EN 61434-2:2018 is to ensure the compatibility of power switches, disconnectors, and fuse combination units in terms of both mechanical and electrical aspects. The standard defines the necessary dimensions, clearances, and electrical ratings that these components must meet. It establishes guidelines for their thermal performance, short-circuit withstand capability, and mechanical endurance.

In addition to the technical requirements, BS EN 61434-2:2018 also addresses the documentation and marking requirements for power switches, disconnectors, and fuse combination units. This includes information such as ratings, identification of terminals, and compliance with relevant safety standards.

Benefits of Compliance

Adhering to BS EN 61434-2:2018 offers several benefits, both for manufacturers and end-users. For manufacturers, compliance with the standard ensures that their products meet the necessary safety and performance requirements. It provides a competitive advantage by demonstrating their commitment to quality and reliability.

For end-users, using components that comply with BS EN 61434-2:2018 guarantees the safe operation of electrical systems. It minimizes the risk of failures and malfunctions, reducing the chances of downtime and costly repairs. Compliance also facilitates interoperability between different switchgear and controlgear assemblies, allowing for easy integration and maintenance.

Conclusion

BS EN 61434-2:2018 is a pivotal standard in the electrical industry that ensures the safe and reliable operation of power switches, disconnectors, and fuse combination units. Compliance with this standard provides both manufacturers and end-users with the confidence that these components meet the necessary technical requirements and are suitable for use in various electrical installations.