Symbol 5586 from IEC 60417 - Title/Meaning: Half load Function/description: To identify the control or step on the programme indicator for the half load option.
Additional information: 
The figure 1/2 may be replaced by another figure, for example 1/4
Published in: Supplement N, 1995,3C(Central Office)192
Own work using: iso.org/obp/graphics/grs/3bc6e8de-b1cf-4d0a-9415-a4569d1399cf 200.png
Vectorization:  Mrmw