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SR HD 50573-5-57:2014

Co-ordination of electrical equipment for protection, isolation, switching and control

This Harmonization Document specifies the requirements for the selection and erection of electrical equipments for protection, isolation, switching and control (hereafter referred to as electrical devices and assemblies) with respect to co-ordination. This Harmonization Document applies to electrical installations as detailed in HD 60364-1:2008, 11.1. The requirements of this document are additional to those specified in HD 60364. This Harmonization Document is intended to provide requirements for the safety of humans, livestock and property against danger and damage which may arise in the reasonable use of electrical installations and to specify requirements for the proper functioning of those installations. The requirements also cover aspects of continuity of supply of the installation. This part covers co-ordination in the case of a fault condition (e.g. short circuit, overload, residual currents) and also takes into consideration aspects of HD 60364-1:2008, 33.1 relevant to the co-ordination of electrical devices as follows : – overcurrent protective device (OCPD); – cont

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Status : Withdrawn
Approval date : 11/28/2014
Withdrawal date : 7/17/2018
Number of pages : 34
ICS : 91.140.50 Electricity supply systems
Technical Committee : 136 - Electrical installation in buildings

Relations with other standards: