New GB/T Standard (GB/T 32580.301-2016) published27. June 2016
A new GB/T Standard (GB/T 32580) was issued on April 6, 2016 and will be implemented on November 1, 2016. This standard contains the requirements for railway applications fixed installations of a.c. switchgears. The standard is divided into several parts. GB/T 32580.1-2016 contains requirements for single-phase circuit-breakers with Un above 1 kV whereas the GB/T 32580.2-2016 is designed for single-phase disconnectors, earthing switches and switches with Un above 1KV. GB/T 32580.301-2016, GB/T 32580.302-2016, and GB/T 32580.303-2016 are designed for measurement, control and protection devices for specific use in a.c. transformers.
All of the GB/T Standards have an IEC equivalent as stated below.
|GB/T Standard||IEC Standard|
|GB/T 32580.1-2016||IEC 62505-1:2009|
|GB/T 32580.2-2016||IEC 62505-2:2009|
|GB/T 32580.301-2016||IEC 62505-3-1:2009|
|GB/T 32580.302-2016||IEC 62505-3-2:2009|
|GB/T 32580.303-2016||IEC 62505-3-3:2009|
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