The FN3256H-8-29-R69 from Schaffner is a EMI / EMC Filter with Voltage Rating 300 to 520 V, Current Rating 8 to 8.8 A, Leakage Current 0.6 mA, Temperature operating range -25 to 100 Degree C. Tags: Chassis Mount. More details for FN3256H-8-29-R69 can be seen below.