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Traditional low voltage assemblies set-ups can cost up to 20 per cent more
(05/10/2009)

Under past legislation it was perfectly acceptable to use the casing of an MCCB as the barrier between live parts and components. However, because it was not clearly specified in the old IEC 60439 standard, panel builders were reluctant to use them, instead opting for configurations with metal barriers built into the switchboard. Consequently, this became common practise, despite it being more costly and resulting in a larger footprint. IEC 61439 has been introduced to enable low voltage as... [more]

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