Depending on the features of the human-machine interface, such as keys, switches, and buttons, moving parts create areas of concern for dust collection and possible leak paths.
Inside our HMI Design Guidelines for IEC 60529 Ebook we will review 7 factors to consider when designing a user interface assembly to pass IEC 60529.
IEC/EN 60529 standardizes FOD ingress protection and waterproofness for electronical enclosures and product housings. The standard defines a wide range of particle sizes for FOD that include particles from 50mm2 to the complete protection from all dust particulates.

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