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  • BSI
    BS EN IEC 60255-27:2025 Measuring relays and protection equipment - Product safety requirements
    Edition: 2025
    $582.11
    / user per year

Description of BS EN IEC 60255-27:2025 2025

IEC 60255-27:2023 specifies the product safety requirements for measuring relays and protection equipment having a rated AC voltage up to 1 000 V, or a rated DC voltage up to 1 500 V. This document specifies essential safety requirements to minimize the risk of fire and hazards caused by electric shock or injury to the user and property. This document specifies only product safety requirements; functional performance of the equipment is not covered. This document covers all the ways in which the equipment can be mounted and used in cabinets, racks and panels. This document also applies to auxiliary devices such as shunts, series resistors, transformers, auxiliary control panels, display devices, etc., that are used in conjunction with measuring relays and protection equipment and are tested together.

Standard NumberBS EN IEC 60255-27:2025
TitleMeasuring relays and protection equipment - Product safety requirements
StatusDefinitive
Publication Date2025-04-25
ReplacesBS EN 60255-27:2014
Identical National Standard OfEN 60255-27 Ed.3.0, IEC 60255-27 Ed.3.0
DescriptorsClearance distances, Clearances, Measuring relays, Electrical testing, Relays, Electrical measurement, Switchgear, Electrical insulation, Electrical safety, Health and safety requirements, Equipment safety, Leakage paths, Safety measures, Flammability, Hazards, Fire risks, Switches, Electrical protection equipment, Electrical equipment
ICS29.120.70 Relays
CommitteePEL/95
ISBN978 0 539 01405 1
PublisherBSI
Pages106



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About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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