IEC 61554:2025 RLV

IEC 61554:2025 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. IEC 61554:2025 defines a system of dimensions for panel mounting of equipment. It is applicable to electrical and electrically operated indicating, recording and control instruments. The purpose of this document is to establish dimensional interchangeability between instruments made by different manufacturers.