Symbol 5032-3 from IEC 60417 - Title/Meaning: Two-phase alternating current Function/description: To indicate on the rating plate that the equipment is suitable for two-phase alternating current only and to identify relevant terminals.
Additional information: 
IEC 60417-C00433;3C/1974/DC, Announcement of Evaluation and Validation;3C/2002/INF, Report of the result of Evaluation and Validation
Own work using: iso.org/obp/graphics/grs/aa571560-6f03-4633-bbed-e859a37aea16 200.png
Vectorization:  Mrmw