The FN3287-160-40-C21-R65 from Schaffner is a EMI / EMC Filter with Voltage Rating 305 to 760 V, Current Rating 160 to 175 A, Leakage Current 0.4 mA, Temperature operating range -40 to 100 Degree C. Tags: Flange Mount. More details for FN3287-160-40-C21-R65 can be seen below.