The FN 3100-150-40 from Schaffner is a EMI / EMC Filter with Voltage Rating 300 to 520 V, Current Rating 150 to 164.3 A, Leakage Current 10 mA, Temperature operating range -25 to 100 Degree C. Tags: Chassis Mount. More details for FN 3100-150-40 can be seen below.