The FN3840-250-99-C2835-R67 from Schaffner is a EMI / EMC Filter with Voltage Rating 305 to 530 V, Current Rating 250 A, Leakage Current 10.7 mA, Temperature operating range -40 to 100 Degree C. Tags: Flange Mount. More details for FN3840-250-99-C2835-R67 can be seen below.