Symbol 5430 from IEC 60417 - Title/Meaning: Priority Function/description: To indicate the priority situation for an apparatus, circuit or function.
Additional information: 
A figure representing the order of priority may be included
Published in: Supplement J, 1990
Own work using: iso.org/obp/graphics/grs/883b1da1-8739-4f04-96d5-937cd6b0c643 200.png
Vectorization:  Mrmw