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



Reference EN 50482:2008
Title Instrument transformers - Three-phase inductive voltage transformers having Um up to 52 kV
Project Number 12928
Abstract/Scope This European Standard specifies the requirements and tests for new three-phase voltage transformers with Um up to 52 kV and frequencies from 15 Hz to 100 Hz, for use with electrical instruments or electrical protective devices. NOTE Single-phase voltage transformers connected in a three-phase bank are not covered in this document.


Current Stage code 6060
Current Stage code date 2008-01-24
Current Stage code deadline 2008-09-01
Deadline date for vote 2006-08-31


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IEC Technical Body IEC/TC 38
Reference Document  
ICS 17.220.20 - Measurement of electrical and magnetic quantities
Keywords Transformer; Instrument transformer; Three-phase; Voltage transformer; Inductive
Note D147/C065: EN withdrawn as it deeply relied on EN 60044-2:1999 which has been superseded * Supersedes HD 587 S1:1993 * To be used in conjunction with EN 60044-2:1999
Special National Condition(s)  


Categories - Aspects
Product Life Cycle


Deadline Date
6060 2008-01-24 2008-09-01 export to doc file  EN  FR  DE
5099 2007-09-01 2008-01-01  
5061 2007-06-26 2007-09-01  
5060 2007-05-21 2007-06-04 export to doc file  EN
5020 2007-03-16 2007-05-18 export to doc file  EN
4099 2006-11-24 2007-01-24  
4060 2006-06-27 2006-08-27 export to doc file  EN
4020 2005-12-23 2006-06-23  
3099 2005-09-08 2006-02-08  
2020 2004-03-10 2004-12-31  
1098 2002-03-12    
1090 1998-09-21 1999-06-30  

Implementation Dates

date of Ratification (DOR) (1) 2007-09-01
date of Availability (DAV) (2) 2008-01-24
date of Announcement (DOA) (3) 2008-03-01
date of Publication (DOP) (4) 2008-09-01
date of Withdrawal (DOW) (5) 2010-09-01


Supersedes HD 587 S1:1993
Superseded by  
Normative reference (6) HD 588.1 S1:1991
EN 60044-2:1999
EN 60270:2001

(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.