EN 50155:1995

Railway applications - Electronic equipment used on rolling stock EN 50155:1995

General information

99.60 Withdrawal effective   Aug 1, 2003


CLC/TC 9X Electrical and electronic applications for railways

European Norm

29.280   Electric traction equipment | 45.060.10   Tractive stock


This standard applies to all electronic equipment for control, regulation, protection, supply, etc., installed on rail vehicles and associated with either the accumulator battery of the vehicle; or a low voltage power supply source with or without a direct connection to the contact system (transformer, potentiometer device, auxiliary supply); with the exception of electronic power circuits, which conform to EN 50207 This standard covers the conditions of operation, design, construction, and testing of electronic equipment, as well as basic hardware and software requirements considered necessary for competent, reliable equipment. Additional requirements in other standards or individual specifications may complement this standard, if they are justified. Specific requirements related to practices necessary to assure defined levels of functional safety are to be found in EN 50126, EN 50128 and EN 50129 For the purpose of this standard, electronic equipment is defined as equipment mainly composed of semiconductor devices and recognized associated components. These components will mainly be mounted on printed boards.

Related legislation

Legislation related to this standard


Interoperability of the trans-European high-speed rail system

Life cycle


EN 50155:1995
99.60 Withdrawal effective
Aug 1, 2003


EN 50155:2001


Adopted from IEC 60571-1:1990 NOT_EQUIVALENT

Adopted from IEC 60571-2:1988 NOT_EQUIVALENT

Adopted from IEC 60571-3:1990 NOT_EQUIVALENT