Symbol 5032-5 from IEC 60417 - Title/Meaning: Single-phase alternating current 
Function/description: To indicate on the rating plate that the equipment is suitable for single-phase alternating current only and to identify relevant terminals.
Own work using: iso.org/obp/graphics/grs/8ba32734-c0b7-4950-8d0e-a346963b8f6d 200.png
Vectorization:  Mrmw