Iec 614391 And 2 Pdf

IEC 61439 is an international standard that specifies the definitions, service conditions, construction requirements, technical characteristics, and verification procedures for low-voltage switchgear and controlgear assemblies (also known as "panels" or "switchboards"). It replaced the older IEC 60439 series in 2009, bringing in a radically different approach to verification—moving from "type testing" to "design verification."

Rigorous requirements for ensuring assemblies can handle prospective fault currents. iec 614391 and 2 pdf