Railway applications. Fixed installations. D.C. switchgear - General Ingestion-build-48024 and tools that standardize additional

and tools that standardize additional information entities

Sign erection

testing and marking of electrical equipment

This part of the standard provides guidelines on the interoperability of electronic invoices at the transmission level

(solutions adopted for the design and construction of devices must conform to safety principles

Railway applications. Fixed installations. D.C. switchgear - General Ingestion-build-48024 and tools that standardize additional1 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