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CAN/CSA E947-1-99(R2004)

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CAN/CSA E947-1-99(R2004)

Low-Voltage Switchgear and Controlgear - Part 1: General Rules (Adopted IEC 947-1:1996, second edition, with Canadian deviations)

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1. Scope and ObjectThis standard applies, when required by the relevant product standard, to switchgear and controlgear hereinafter referred to as ''equipment'' and intended to be connected to circuits, the rated voltage of which does not exceed 1000 V a.c. or 1500 V d.c.It does not apply to low-voltage switchgear and controlgear assemblies which are dealt with in IEC 439.NOTE - In certain clauses or subclauses of this standard, the equipment covered by this standard is also referred to as ''device'', to be consistent with the text of such clauses or subclauses.The object of this standard is to state those general rules and requirements which are common to low-voltage equipment as defined in 1.1, including for example:- definitions; - characteristics; - information supplied with the equipment; - normal service, mounting and transport conditions; - constructional and performance requirements; - verification of characteristics and performance. /1.1Domaine d'application et objetLa presente norme est applicable, lorsque la norme de materiel correspondante le precise, a l'appareillage designe ci-apres , et destine a etre relie a des circuits dont la tension assignee ne depasse pas 1000 V en courant alternatif ou 1500 V en courant continu.Elle ne s'applique pas aux ensembles d'appareillage a basse tension qui sont traites dans la CEI 439.NOTE - Dans certains articles ou paragraphes de la presente norme, le materiel vise par celle-ci est egalement designe pour des raisons d'homogeneite avec le texte de ces articles ou paragraphes.La presente norme a pour objet de fixer les regles et prescriptions generales communes au materiel a basse tension defini en 1.1, comprenant par exemple:- les definitions; - les caracteristiques; - les informations fournies avec le materiel; - les conditions normales de service, de montage et de transport; - les prescriptions de construction et de fonctionnement; - la verification des caracteristiques et du fonctionnement.