Multi-part Document
BS EN 50123 - Railway applications. Fixed installations. d.c. switchgear. Measurement, control and protection devices for specific use in d.c. traction systems

This is a multi-part document divided into the following parts:

• Part 1 Railway applications. Fixed installations. D.C. switchgear. General
• Part 2 Railway applications. Fixed installations. d.c. switchgear. d.c. circuit breakers
• Part 3 Railway applications. Fixed installations. d.c. switchgear. Indoor d.c. disconnectors and switch-disconnectors
• Part 4 Railway applications. Fixed installations. d.c. switchgear. Outdoor d.c. in-line switch-disconnectors, disconnectors and d.c. earthing switches
• Part 5 Railway applications. Fixed installations. d.c. switchgear. Surge arresters and low-voltage limiters for specific use in d.c. systems
• Part 6 Railway applications. Fixed installations. D.C. switchgear. D.C. switchgear assemblies
• Part 7-1 Railway applications. Fixed installations. d.c. switchgear. Measurement, control and protection devices for specific use in d.c. traction systems. Measurement, control and protection devices for specific use in d.c. traction systems. Application guide
• Part 7-2 Railway applications. Fixed installations. d.c. switchgear. Measurement, control and protection devices for specific use in d.c. traction systems. Isolating current transducers and current measuring devices. Isolating current transducers and other current measuring devices
• Part 7-3 Railway applications. Fixed installations. d.c. switchgear. Measurement, control and protection devices for specific use in d.c. traction systems. Isolating voltage transducers and other voltage measuring devices. Isolating voltage transducers and other voltage measuring devices