The FN3256H-64-34-R69 from Schaffner is a EMI / EMC Filter with Voltage Rating 300 to 520 V, Current Rating 64 to 70 A, Leakage Current 0.6 mA, Temperature operating range -25 to 100 Degree C. Tags: Chassis Mount. More details for FN3256H-64-34-R69 can be seen below.