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The functional unit to this study is a single Cable distribution cabinet (including its packaging and accessories), to establish, support and interrupt for 20years against direct contact with live parts and allow grouping monitoring, control and protection devices in a single enclosure or a cabinet having thefollowing dimensions H x L x P or an assembly of X enclosures or cabinets having the following dimensions H x L x P, while protecting against mechanicalimpacts (IK) and the penetration of solid objects and liquids (IP). This product is not governed by IEC 62262, therefore we have not mentionedIK (Degree of protection against external mechanical impacts) in the functional Unit. However, it fulfills IEC 61439-5 mechanical impact protection criteriawhich is equivalent to IK 10 from IEC 62262. H = Height (mm) = 1200L = Width (mm) = 600P = Depth (mm) = 220X = Total number of Cabinets = 1Pw = Maximum permissible power = 252kWIP = Degree of Ingress protection = 2X