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



Reference EN 60296:2004
Title Fluids for electrotechnical applications - Unused mineral insulating oils for transformers and switchgear
Project Number 15094
Abstract/Scope Covers specifications and test methods for unused mineral insulating oils. It applies to oil delivered to the agreed point and time of delivery, intended for use in transformers, switchgear and similar electrical equipment in which oil is required as an insulant and for heat transfer. These oils are obtained by distillation and refining of crude petroleum. Oils with and without additives are both within the scope of this standard. This standard is applicable only to unused mineral insulating oils. Reclaimed oils are beyond the scope of this standard. This standard does not apply to mineral oils used as impregnants in cables or capacitors. NOTE Mineral insulating oils complying with the requirements of this standard, of the same class and containing no additives (see 3.4), are considered to be compatible with one another and can be mixed in any proportion. This does not apply to oils containing additives. Where the user wishes to mix such oils, a check is recommended to be made to ensure that the mixture meets the requirements of this standard. Main changes with regard to previous edition include: the three classes of previous edition have been replaced by only two: transformer oil and low temperature switchgear oil, but a new concept, the lowest cold start energizing temperature, has been included; new properties have been added (i.e. charging tendency); values for properties have been revised.


Current Stage code 6060
Current Stage code date 2004-04-29
Current Stage code deadline 2005-01-01
Deadline date for vote  


Order Voucher  


IEC Technical Body IEC/TC 10
Reference Document IEC 60296:2003 (EQV)
ICS 29.040.10 - Insulating oils
29.130 - Switchgear and controlgear
29.180 - Transformers. Reactors
Keywords Oil; Mineral; Insulating oil; Transformer; Switchgear
Note Corrigendum to EN issued September 2004 * Superseded by EN 60296:2012
Special National Condition(s) AT


Categories - Aspects
Product Life Cycle
All Resource use - Oil Manufacturing, Use, Recovery, Disposal B2B, B2C
All Hazardous substances - PCA Use, Recovery, Disposal B2B, B2C
All Hazardous substances - PCB Use, Recovery, Disposal B2B, B2C
Introduction Waste Disposal B2B, B2C


Deadline Date
6060 2004-04-29 2005-01-01 export to doc file  EN
5099 2004-03-16 2004-07-16  
5062 2003-12-01 2004-03-16  
5061 2003-10-27 2003-12-01  
5020 2003-08-01 2003-10-03  
4099 2003-07-29 2003-08-01  
4060 2002-08-01 2003-01-06  
4020 2002-02-22 2002-07-26  
3099 2002-02-19 2002-02-22  

Implementation Dates

date of Ratification (DOR) (1) 2004-03-16
date of Availability (DAV) (2) 2004-04-29
date of Announcement (DOA) (3) 2004-07-01
date of Publication (DOP) (4) 2005-01-01
date of Withdrawal (DOW) (5) 2007-04-01


Superseded by EN 60296:2012
Normative reference (6) ISO 2719:1988
ISO 3016:1974
ISO 3104:1994
ISO 3675:1998
ISO 6295:1983
ISO 12185:1996
ISO 14596:1998
EN 60076-2:1997
EN 60156:1995
IEC 60247:1978
IEC 60422:1989
IEC 60475:1974
HD 488 S1:1987
HD 415 S1:1981
EN 60814:1997
EN 61125:1993
EN 61198:1994
EN 61619:1997
EN 61620:1999
EN 61868:1999
EN 62021-1:2003

(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.