The FN 351-50-33 from Schaffner is a EMI / EMC Filter with Voltage Rating 250 to 520 V, Current Rating 50 to 57.7 A, Leakage Current 3.5 mA, Temperature operating range -25 to 100 Degree C. Tags: Chassis Mount. More details for FN 351-50-33 can be seen below.