The series is the definitive international standard for low-voltage switchgear and controlgear assemblies. Since July 2020, Edition 3 has replaced previous versions, introducing stricter design and routine verification requirements to ensure global safety and performance. Core Parts of the Standard
Engineers need instant offline access to both parts when they are on the shop floor or at a remote site without internet. A PDF is portable and searchable. iec 614391 and 2 pdf
As a specific product standard, it defines the requirements for power switchgear and controlgear assemblies (PSC-assemblies). Key Resources and PDF Guides IEC 61439 The series is the definitive international
The standard is divided into several parts: Edition 3 has replaced previous versions