I follow this database ;) https://www.elektrolokarchiv.de/index.php?nav=1405015&lang=1
A 189 = Siemens locomotive A 185.x = Bombardier (now Alstom) locomotive Traxx 185.1 = only 15 / 25 kV AC - such as DB 185 (also only 15 kV) , SBB...
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