For systems to operate, a rated (DC) voltage (URdc) of 630V must be applied internally.In order to power systems, you must have a rated (AC) voltage of 300V (URac).
R73PW41505000J Features
a rated (DC) voltage (URdc) of 630V an internal rated (AC) voltage (URac) of 300V
R73PW41505000J Applications
There are a lot of KEMET R73PW41505000J applications of film capacitors.