
Scope of application: This part of GB/T 25890 specifies the requirements for outdoor DC isolation switches, load switches, and grounding switches used in ground devices of power supply systems p>
Reference standards:
GB/T 25890.1-2010 Rail Transit - Ground mounted DC switchgear - Part 1: General
GB/T 25890.6-2010 Rail Transit - Ground mounted DC switchgear - Part 6: Complete DC switchgear
IEC 60529-1989- Degrees of protection provided by enclosures (IP code)
IEC 60694-1996 General Specification for High Voltage Switchgear and Control Equipment Standards
IEC 60913-2013 Rail Transit. Fixed Equipment. Electric Traction Overhead Lines
IEC 62271-102-2018 High Voltage Switchgear and Control Equipment. Part 102: AC Circuit Breakers and Earthing Switches
IEC 60850-2000 Rail Transit. Supply Voltage for Traction Systems
EN 50124-1-2001
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1. Telephone communication and confirmation of requirements
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