Symbol 5032-4 from IEC 60417 - Title/Meaning: Two-phase alternating current with neutral conductor Function/description: To indicate on the rating plate that the equipment is suitable for two-phase alternating current with a neutral conductor 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/9f603fae-1b82-4796-a853-5eedc54c27af 200.png
Vectorization:  Mrmw