International Standards and Conformity Assessment for all electrical, electronic and related technologies



Reference EN 60255-27:2005
Title Measuring relays and protection equipment - Part 27: Product safety requirements
Project Number 16366
Abstract/Scope Describes the product safety requirements for measuring relays and protection equipment having a rated a.c. voltage up to 1 000 V with a rated frequency up to 65 Hz, or a rated d.c. voltage up to 1 500 V. Details essential safety requirements to minimize the risk of fire and hazards caused by electric shock or injury to the user. The contents of the corrigendum of March 2007 have been included in this copy.


Current Stage code 6060
Current Stage code date 2005-12-06
Current Stage code deadline 2006-08-01
Deadline date for vote  


Directive(s) LVD (2006/95/EC)
Order Voucher  


IEC Technical Body IEC/TC 95
Reference Document IEC 60255-27:2005 (EQV)
ICS 29.120.70 - Relays
Keywords Relay; Measuring relay; Protection equipment; Product safety
Special National Condition(s)  


Categories - Aspects
Product Life Cycle
9.2.4 Waste Use, Disposal B2B, B2C
7.2.2 Emissions to air Use B2B


Deadline Date
6060 2005-12-06 2006-08-01 export to doc file  EN  FR  DE
5099 2005-11-01 2006-01-01  
5061 2005-09-27 2005-11-01  
5020 2005-06-17 2005-09-02  
4099 2005-01-28 2005-06-03  
4020 2004-05-21 2004-10-22  
3099 2004-05-17 2004-05-21  

Implementation Dates

date of Ratification (DOR) (1) 2005-11-01
date of Availability (DAV) (2) 2005-12-06
date of Announcement (DOA) (3) 2006-02-01
date of Publication (DOP) (4) 2006-08-01
date of Withdrawal (DOW) (5) 2008-11-01


(1) Date of ratification (dor) date when the Technical Board notes the approval of an EN (and HD for CENELEC), from which time the standard may be said to be approved

(2) Date of availability (dav) date when the definitive text in the official language versions of an approved CEN/CENELEC publication is distributed by the Central Secretariat

(3) Date of announcement (doa) latest date by which the existence of an EN (and HD for CENELEC), a TS or a CWA has to be announced at national level

(4) Date of publication (dop) latest date by which an EN has to be implemented at national level by publication of an identical national standard or by endorsement

(5) Date of withdrawal (dow) latest date by which national standards conflicting with an EN (and HD for CENELEC) have to be withdrawn

(6) This list of normative references is purely indicative. The only official list of normative reference is the list of the published standard.