For systems to operate, a rated (DC) voltage (URdc) of 1250V must be applied internally.In order to power systems, you must have a rated (AC) voltage of 450V (URac).
B32686A7334J000 Features
a rated (DC) voltage (URdc) of 1250V an internal rated (AC) voltage (URac) of 450V
B32686A7334J000 Applications
There are a lot of EPCOS B32686A7334J000 applications of film capacitors.