IEC TR 63054

Abstract

This document applies to the fire risk analysis of low-voltage switchgear and controlgear (hereinafter referred to as "equipment") referring to the IEC 60947 relevant publications, where the following applies: – only the case where a fire originates (typically under fault or misuse conditions) within the equipment; – only equipment installed in normal environments. Hazardous environments, for example in presence of combustible materials, is not to be considered; – only the case of products selected, installed and used according to the manufacturer instructions and installation rules. In addition, the following cases are not considered: – faults addressed by IEC TR 61641; – risks due to smoke emissions; – double faults, i.e. multiple phenomenon, potentially combined.