Understanding this standard is essential for panel builders, electrical engineers, and facility managers to ensure system safety and regulatory compliance.

Covers everything from industrial motor control centers (MCCs) and power distribution boards to residential consumer units.

The is the foundational document for the design, manufacturing, and verification of low-voltage switchgear and controlgear assemblies worldwide. Often referred to as the "General Rules," this standard provides the common technical framework used by all subsequent parts of the IEC 61439 series, such as Part 2 for power switchgear and Part 3 for distribution boards.