IEC 62271-201:2014
High-voltage switchgear and controlgear - Part 201: AC solid-insulation enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV
Product Details
a) apart from updating with the second edition of IEC 62271-200 (issued in 2011), definitions, classifications and testing procedures have been specified more precisely;
b) access to the solid-insulation enclosed switchgear and controlgear is now restricted to authorized personnel only. This implies that accessibility class B (public access) has been deleted throughout the document;
c) the term protection category has been introduced to replace the term protection grade (PA, PB1 and PB2).
This publication is to be read in conjunction with IEC 62271-201:2007.