Railway applications. Fixed installations. D.C. switchgear - General Ingestion-build-201039 BS 3733 provides users guidance

BS 3733 provides users guidance on pulleys for V-belts

requirements or other provisions of EU

BS EN 12560-4

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

Railway applications. Fixed installations. D.C. switchgear - General Ingestion-build-201039 BS 3733 provides users guidance1 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