The standard applies to traction fixed installations, rolling stock, and auxiliary devices across a wide range of systems: Both passenger and freight lines.
The standard, titled "Railway applications - Supply voltages of traction systems," is a critical international document published by the International Electrotechnical Commission (IEC) . It defines the main characteristics and parameters for electrical supply systems used in various railway transport applications. Where to Find IEC 60850
Low-speed maglev and linear motor transport systems. Key Technical Aspects
This includes tramways, light rail, trolleybuses, and underground/elevated railways.
Accessing official IEC standards for free is generally not possible because they are copyrighted and sold to fund the standardization process. However, you can access the standard through several authoritative platforms:
Sites like iTeh Standards often provide a free PDF "preview" that includes the table of contents and scope, which can be useful for initial research. Scope and Importance of IEC 60850