BS EN IEC 60947-2:2025 Low-voltage Switchgear and Controlgear Circuit-breakers

Introducing the BS EN IEC 60947-2:2025, the definitive standard for low-voltage switchgear and controlgear circuit-breakers. This comprehensive document is essential for professionals in the electrical engineering field, providing the latest guidelines and specifications to ensure safety, reliability, and efficiency in electrical systems.

Key Features

The BS EN IEC 60947-2:2025 standard is a crucial resource for anyone involved in the design, installation, and maintenance of low-voltage electrical systems. Here are some of the key features that make this standard indispensable:

• Comprehensive Coverage: With 284 pages of detailed information, this standard covers all aspects of low-voltage switchgear and controlgear circuit-breakers, ensuring you have the knowledge you need to comply with the latest industry requirements.
• Up-to-Date Information: Released on February 18, 2025, this standard reflects the most current practices and technological advancements in the field, helping you stay ahead of the curve.
• International Recognition: As part of the IEC (International Electrotechnical Commission) standards, this document is recognized globally, making it a valuable asset for international projects and collaborations.
• ISBN: 978 0 539 12612 9 - Easily reference and cite this standard in your professional documentation and reports.

Why Choose BS EN IEC 60947-2:2025?

Choosing the right standard is crucial for ensuring the safety and efficiency of your electrical systems. The BS EN IEC 60947-2:2025 offers several advantages:

• Enhanced Safety: By adhering to the guidelines set forth in this standard, you can significantly reduce the risk of electrical failures and hazards, protecting both personnel and equipment.
• Improved Performance: The standard provides detailed specifications for circuit-breakers, ensuring optimal performance and reliability in various applications.
• Cost Efficiency: Implementing the best practices outlined in this standard can lead to reduced maintenance costs and increased system longevity, offering long-term financial benefits.
• Compliance Assurance: Stay compliant with national and international regulations, avoiding potential legal and financial penalties.

Who Should Use This Standard?

The BS EN IEC 60947-2:2025 is designed for a wide range of professionals in the electrical industry, including:

• Electrical Engineers: Gain a deeper understanding of circuit-breaker specifications and requirements to enhance your design and implementation processes.
• Project Managers: Ensure your projects meet the latest standards and regulations, minimizing risks and maximizing efficiency.
• Maintenance Technicians: Access valuable information to maintain and troubleshoot low-voltage systems effectively.
• Compliance Officers: Stay informed about the latest compliance requirements to ensure your organization adheres to industry standards.

Conclusion

The BS EN IEC 60947-2:2025 is an essential resource for anyone involved in the electrical industry. With its comprehensive coverage, up-to-date information, and international recognition, this standard provides the guidance you need to ensure the safety, reliability, and efficiency of your low-voltage electrical systems. Whether you're an engineer, project manager, technician, or compliance officer, this standard is a valuable tool that will help you achieve excellence in your field.

BS EN IEC 60947-2:2025

This standard BS EN IEC 60947-2:2025 Low-voltage switchgear and controlgear is classified in these ICS categories:

• 29.130.20 Low voltage switchgear and controlgear

IEC 60947-2:2024 applies to circuit-breakers, intended to be installed and operated by instructed or skilled persons, the main contacts of which are intended to be connected to circuits, the rated voltage of which does not exceed 1 000 V AC or 1 500 V DC; it also contains additional requirements for integrally fused circuit-breakers. This document also applies to circuit-breakers with ratings at or below 1 000 V AC, additionally having one or more ratings above 1 000 V AC but not exceeding 1 500 V AC. This sixth edition cancels and replaces the fifth edition published in 2016 and its Amendment 1: 2019. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) suitability for isolation (see Clause 1); b) removal of the classification according to the interrupting medium, according to the design, according to the suitability for isolation (see Clause 4); c) adjustment of current settings with an external device connectable to the release (see 5.7.3); d) requirements for circuits with protective separation (see 8.2.3.8); e) additional tests for ground-fault overcurrent releases (see 9.3.4.2.5); f) additional tests concerning dielectric properties in tripped position (see 9.3.4.3); g) use of DC voltage for dielectric tests (see 9.3.4.6.2 and 9.4.6); h) tests of individual pole breaking capacity under phase-to-neutral AC voltage (see 9.3.11); i) improvement of measurement of power loss in Annex G; j) changes in EMC tests (see Annex J); k) introduction of CBI class W in Annex L.