Railway applications. Fixed installations. D.C. switchgear - General Ingestion-build-201039

Railway applications. Fixed installations. D.C. switchgear - General Ingestion-build-2010391 Scope The EN 50123 series specifies requirements for d. c. switchgear and controlgear and is intended to be used in fixed electrical installations with nominal voltage not exceeding 3 000 V d. c., which supply electrical power to vehicles for public guided transport, i. e. railway vehicles, tramway vehicles, underground vehicles and trolley buses. Part 1 specifies general requirements. The other parts are covering Part 2 D. C. circuit breakers, Part

BS EN 1057 applies to tubes having an outside diameter from 6 mm up to and including 267 mm for:

It also provides information on the settings of these buildings and structures

For other applications and/or requirements the standard can be used if required by the specification

ISO 207666 gives marking guidelines so that the users and manufacturer can trace the product

and the process for application of paint

requirements or other provisions of EU

BS 3733 provides users guidance on pulleys for V-belts

and the self-weight of its component parts

Switches covered by this document:

BS 6297 has been amended and replaces BS 6297:1983 which is now withdrawn

d) information to be marked on or given with the apparatus

BS EN 12560-4