The assembly must be capable of withstanding the thermal and electromagnetic effects of short-circuit currents. This ensures the panel does not explode or fail catastrophically during a fault.
: It defines critical limits for temperature rise, short-circuit withstand strength, and dielectric properties to prevent electrical fires and shock hazards . iec 614391 standard pdf best
IEC 61439-1 standard is the foundational document for the design, construction, and verification of low-voltage switchgear and controlgear assemblies The assembly must be capable of withstanding the
