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



Reference EN 50155:2001
Title Railway applications - Electronic equipment used on rolling stock
Project Number 12427
Abstract/Scope Applies to all electronic equipment for control, regulation, protection, supply etc. associated with the accumulator battery of the vehicle or a low voltage power supply source with or without the direct connection to the contact system. Does not apply however to electronic power circuits which conform to IEC 61287-1. It covers the conditions of operation, design, construction and testing of electronic equipment as well as basic hardware and software requirements. This consolidated version consists of the second edition (1998) and its amendment 1 (2006). Therefore, no need to order amendment in addition to this publication.


Current Stage code 6060
Current Stage code date 2001-08-02
Current Stage code deadline 2002-02-01
Deadline date for vote  


Directive(s) RAIL (2008/57/EC)
Order Voucher  


IEC Technical Body IEC/TC 9
Reference Document  
ICS 29.280 - Electric traction equipment
45.060.10 - Tractive stock
Keywords Railway applications; Rolling stock; Electronic equipment
Note Corrigendum to EN issued April 2003 * Superseded by EN 50155:2007
Special National Condition(s)  


Categories - Aspects
Product Life Cycle


Deadline Date
6060 2001-08-02 2002-02-01 export to doc file  EN
5099 2000-08-01 2001-06-01  
5062 2000-05-29 2000-08-01  
5020 1999-10-15 2000-04-17  
1090 1998-12-08 1999-06-08  
1090 1998-10-01    

Implementation Dates

date of Ratification (DOR) (1) 2000-08-01
date of Availability (DAV) (2) 2001-08-02
date of Announcement (DOA) (3) 2001-02-01
date of Publication (DOP) (4) 2002-02-01
date of Withdrawal (DOW) (5) -


Supersedes EN 50155:1995
Superseded by EN 50155:2007
Normative reference (6)  

(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.