The RP120-20-.47-S from Astrodyne TDI is a EMI / EMC Filter with Voltage Rating 120 to 250 V, Current Rating 20 A, Leakage Current 0.04 to 0.08 mA, Temperature operating range -25 to 100 Degree C. Tags: Flange Mount. More details for RP120-20-.47-S can be seen below.