The FN2030-4-06 from Schaffner is a EMI / EMC Filter with Voltage Rating 250 V, Current Rating 4 to 4.5 A, Leakage Current 0.27 to 0.47 mA, Temperature operating range -25 to 100 Degree C. Tags: Chassis Mount. More details for FN2030-4-06 can be seen below.