24/30505996 DC

This standard 24/30505996 DC BS EN 50152-3-1:2017/A1 Railway applications - Fixed installations - Particular requirements for a.c. switchgear is classified in these ICS categories:

• 29.130.20 Low voltage switchgear and controlgear
• 29.280 Electric traction equipment

Scope of standard This European Standard is applicable to new low voltage devices for measurement, control and protection which are: — for indoor or outdoor fixed installations in traction systems, and — operated in conjunction with high voltage equipment with an a.c. line voltage and frequency as specified in EN 50163. This European Standard also applies to measurement, control and protective devices other than low voltage devices and not covered by a specific railway product standard as far as reasonably possible. Requirements of this document prevail. Scope of amendment Implementation of 2 technical changes: — Modification of subclause 5.4, second item in list of protection functions. — Aligning the value for short-circuit current of 50 Hz traction systems given in Annex A subclause A.2.1 ‘Line testing – General’ with EN 50388-1:2022 Table 7