IEC 60364-5-56:2009
Installations électriques des b?timents – Partie 5-56: Choix et mise en ?uvre des matériels électriques – Services de sécurité (Edition 2.0)

Low-voltage electrical installations – Part 5-56: Selection and erection of electrical equipment – Safety services (Edition 2.0)

被代替

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标准号

IEC 60364-5-56:2009

发布

2009年

发布单位

IEC - International Electrotechnical Commission

替代标准

IEC 60364-5-56:2018

当前最新

IEC 60364-5-56:2018

 

 

被代替标准

IEC 64/1677/FDIS:2009 IEC 60364-5-55:2001

适用范围

GENERALFor safety services required to operate in fire conditions@ the following two conditions shall be fulfilled:?C?a safety source of supply shall be selected which will maintain a supply of adequate duration@ and?C all equipment shall be provided@ either by construction or by erection@ with protection ensuring fire resistance of adequate duration.?C?the safety source is generally additional to the normal source.NOTE - The normal source is@ for example@ the public supply network.Protective measures against electric shock in case of a fault without automatic disconnection at the first fault are preferred. In IT systems@ continuous insulation monitoring devices shall be provided which give an audible and visible indication of a first fault.Equipment shall be arranged to facilitate periodic inspection@ testing and maintenance.

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