BS EN 62271-1:2017+A1:2021

What is BS EN 62271-1 about?  

BS EN 62271-1 applies to AC switchgear and controlgear designed for indoor and/or outdoor installation and for operation at service frequencies up to and including 60 Hz and having rated voltages above 1000 V 

BS EN 62271-1 applies to all high-voltage switchgear and controlgear except as otherwise specified in the relevant IEC standards for the particular type of switchgear and controlgear. 

Who is BS EN 62271-1 for? 

BS EN 62271-1  on AC switchgear and controlgear is useful for: 

• Manufactures of AC switchgear such as fuses, circuit breakers, switches etc. 
• Suppliers, dealers and importers of AC switchgear such as fuses, circuit breakers, switches etc. 
• Installers and service providers for AC switchgear and contolgears 

Why should you use BS EN 62271-1?  

BS EN 62271-1  on AC  switchgear and controlgear contains l specifications required for the high voltage AC switchgear that operates on rated voltage higher than 1000V and 60Hz frequency. It helps  you in designing a standardized product. 

BS EN 62271-1 gives you normal and special service conditions, test methods, safety instructions and protection lookouts which enables you at the time of installing or providing maintenance of switchgear/ controlgear. 

What’s changed since the last update?  

BS EN 62271-1:2017+A1:2021 supersedes BS EN 62271‑1:2017, which will be withdrawn on 20 June 2022. BS EN 62271-1:2017+A1:2021 edition includes the following significant technical changes with respect to the previous edition: 

• New numbering in accordance with ISO/IEC directives, Part 2 (2016) and IEEE Std. C37.100.1. 
• The technical specifications and terms are added. Some technical specification changes done 
• New subclause added for manual operated actuators.  
• Some tests were removed because the relevant test standards of IEC 60068 series were modified or withdrawn. 
• The acceptance criteria for X-radiation testing are modified to recognize higher rated vacuum interrupters. 
• Former informative Annex H removed, new Annex J (informative), new Annex K (informative): added