The FN3271H-150-99 from Schaffner is a EMI / EMC Filter with Voltage Rating 300 to 520 V, Current Rating 150 to 164 A, Leakage Current 6.9 mA, Temperature operating range -25 to 100 Degree C. Tags: Chassis Mount. More details for FN3271H-150-99 can be seen below.