Protection against direct contact (basic protection) and indirect contact (fault protection).

Source: Overview of IEC 61439 parts

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Verifying the durability of moving parts, interlocks, and handles. 👥 Division of Responsibilities

Part 2 cannot be used alone; it refers back to Part 1 for all common requirements. Key Requirements for Compliance

The organization or panel builder responsible for the completed assembly. They build the panel using components and instructions provided by the Original Manufacturer. If they deviate from the original design, they assume the role and liability of the Original Manufacturer.

IEC 61439-2 is the part of the standard that deals with low-voltage switchgear and controlgear assemblies - Part 2: Power distribution units (PDUs). This section provides specific requirements for the design, construction, and testing of power distribution units (PDUs), which are used to distribute power to various loads in a low-voltage power distribution system.