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



Reference EN 50122-1:1997
Title Railway applications - Fixed installations - Part 1: Protective provisions relating to electrical safety and earthing
Project Number 92
Abstract/Scope This standard specifies requirements for the protective provisions relating to electrical safety in fixed installations associated with a.c.-and d.c.-traction systems and to any installations that may be endangered by the traction power supply system It also applies to all fixed installations that are necessary to ensure electrical safety during maintenance work within electric traction systems Note: other provisions may be required to protect work sites for maintenance purposes which are not included in this standard This standard applies to all new lines and to all major revisions to existing lines for electric traction systems described in the standard


Current Stage code 6060
Current Stage code date 1997-06-11
Current Stage code deadline 1997-09-01
Deadline date for vote  


Directive(s) HSR (96/48/EC), HSR (96/48/EC)
Mandate(s) M/024
Order Voucher BC/CLC/93-09


IEC Technical Body IEC/TC 9
Reference Document  
ICS 29.120.50 - Fuses and other overcurrent protection devices
45.020 - Railway engineering in general
Keywords Railway applications; Fixed installation; Protective provision
Note Corrigendum to EN issued August 2007 * Superseded by EN 50122-1:2011
A-Deviation(s) AT
Special National Condition(s) AT, GB


Categories - Aspects
Product Life Cycle


Deadline Date
6060 1997-06-11 1997-09-01 export to doc file  EN
6020 1996-11-04 1997-02-04  
5099 1996-10-01 1996-11-01  
5062 1996-09-11 1996-10-01  
5020 1996-02-15 1996-09-01  
4020 1995-01-23 1995-07-31  
4090 1995-01-08 1995-07-08  
3099 1994-05-31 1995-02-28  
3020 1994-01-05 1994-10-31  
3093 1992-12-04 1994-03-01  
3099 1992-04-10 1992-11-30  
1000 1991-12-16 1992-06-16  
1000 1991-06-08 1992-01-01  

Implementation Dates

date of Ratification (DOR) (1) 1996-10-01
date of Availability (DAV) (2) 1997-06-11
date of Announcement (DOA) (3) 1997-03-01
date of Publication (DOP) (4) 1997-12-01
date of Withdrawal (DOW) (5) 1997-12-01


Superseded by EN 50122-1:2011
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.