Blogs: Understanding Forms of Separation in LV Switchgear

The international standard for low voltage switchboard arrangements, IEC 61439 'Low-voltage switchgear and control gear assemblies' sets out criteria for the internal subdivision of the busbars, functional units and external cable terminals within switchgear assemblies. These subdivisions known as ‘Forms of Separation’, can be achieved using metallic or non-metallic physical barriers or insulation.
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