The FN258HVIT-16-29 from Schaffner is a EMI / EMC Filter with Voltage Rating 300 to 760 V, Current Rating 16 to 17.5 A, Leakage Current 0.1 mA, Temperature operating range -25 to 100 Degree C. Tags: Chassis Mount. More details for FN258HVIT-16-29 can be seen below.