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



Reference EN 62040-2:2006
Title Uninterruptible power systems (UPS) - Part 2: Electromagnetic compatibility (EMC) requirements
Project Number 14872
Abstract/Scope Is intended as a product standard allowing the EMC conformity assessment of products of categories C1, C2 and C3 as defined in this part of EN 62040, before placing them on the market.The requirements have been selected so as to ensure an adequate level of electromagnetic compatibility (EMC) for UPS at public and industrial locations.


Current Stage code 6060
Current Stage code date 2006-03-08
Current Stage code deadline 2006-10-01
Deadline date for vote  


Directive(s) EMC (2004/108/EC)
Mandate(s) M/404
Order Voucher  


IEC Technical Body IEC/SC 22H
Reference Document IEC 62040-2:2005 (EQV) + corrigendum Nov. 2011 (EQV)
ICS 17.220 - Electricity. Magnetism. Electrical and magnetic measurements
29.200 - Rectifiers. Convertors. Stabilized power supply
Keywords Power system; Uninterruptible; UPS; Electromagnetic compatibility; EMC
Note Supersedes EN 50091-2:1995 + corr. Jan. 1998 * Corrigendum to EN issued November 2006
Special National Condition(s)  


Categories - Aspects
Product Life Cycle


Deadline Date
6060 2006-03-08 2006-10-01 export to doc file  EN  FR  DE
5099 2005-10-01 2006-02-01  
5020 2005-06-24 2005-09-02  
4099 2004-07-09 2004-10-01  
4020 2004-01-09 2004-06-11  
3099 2004-01-06 2004-01-09  
2020 2001-10-31 2002-06-30  

Implementation Dates

date of Ratification (DOR) (1) 2005-10-01
date of Availability (DAV) (2) 2006-03-08
date of Announcement (DOA) (3) 2006-02-01
date of Publication (DOP) (4) 2006-10-01
date of Withdrawal (DOW) (5) 2008-10-01


Supersedes EN 50091-2:1995
EN 50091-2:1995/corrigendum Jan. 1998
Superseded by  
Normative reference (6) EN 55016-1-1:2004
EN 55016-1-2:2004
CISPR 22:2005
IEC 60050-161:1990
EN 61000-2-2:2002
EN 61000-3-2:2000
EN 61000-4-1:2000
EN 61000-4-2:1995
EN 61000-4-3:2002
EN 61000-4-4:2004
EN 61000-4-5:1995
EN 61000-4-6:2007
corr. August 2007
EN 61000-4-8:1993
EN 62040-3:2001

(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.