For systems to operate, a rated (DC) voltage (URdc) of 63V must be applied internally.In order to power systems, you must have a rated (AC) voltage of 40V (URac).
R60DN4470DQ30K Features
a rated (DC) voltage (URdc) of 63V an internal rated (AC) voltage (URac) of 40V
R60DN4470DQ30K Applications
There are a lot of KEMET R60DN4470DQ30K applications of film capacitors.