Low-voltage switchgear and controlgear assemblies- Part 0: Guidance to specifying assemblies

2Scope / Description

In the IEC 61439 series of standards for low-voltage switchgear and controlgear assemblies, system and application details are specified by the designee so that manufacturers can produce assemblies that meet the designee's needs and expectations. This section (Technical Report) identifies the functions and characteristics defined when designating assemblies from the designee's perspective. It provides: an explanation of the assembly features and options within the IEC 61439 series; guidance on how to select appropriate options and define features to meet specific application requirements; and assistance in the process of designating assemblies. All references to assembly interface features and their compliance requirements in this document assume that the assembly is designed, manufactured, and validated according to the relevant parts of the IEC 61439 series.