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IEC 61439-1:2020

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Main Requirements (Summary)

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The IEC 61439-1 standard covers the requirements for low-voltage PDUs and circuit-breakers, including their design, testing, and performance. The standard is divided into several parts, with Part 1 providing general requirements and definitions.

• Temperature rise limits
• Dielectric properties (insulation)
• Short-circuit withstand strength
• Electromagnetic compatibility (EMC)
• Mechanical operation