Symbol 6057 from IEC 60417 - Title/Meaning: Caution, moving parts Function/description: [To indicate the instructional safeguard to keep away from moving parts.In case of application as a warning sign the rules according to ISO 3864 shall be adhered to.]
Additional information: 
The symbol element in the equilateral triangle was standardized in ISO 7000-2411.
Own work using: iso.org/obp/graphics/grs/bb5854d5-a21b-450e-ac74-a9a72dc701e4 200.png
Vectorization:  Mrmw