WG10 Future Work #6162
https://iec61850.tissue-db.com/tissue/1803 - Mechanical Blocking of 3 way switches
TR IEC 61850-7-500
"Multi way switches like combined earthing / disconnecting switches may have a mechanical protection to prevent running of the switch too far. If that protection is activated, an alarm is generated."
Topic will be discussed in TF7-5/7-500.