For systems to operate, a rated (DC) voltage (URdc) of 400V must be applied internally.In order to power systems, you must have a rated (AC) voltage of 250V (URac).
R76MF2330Z330J Features
a rated (DC) voltage (URdc) of 400V an internal rated (AC) voltage (URac) of 250V
R76MF2330Z330J Applications
There are a lot of KEMET R76MF2330Z330J applications of film capacitors.