The RP120-50-1-S from Astrodyne TDI is a EMI / EMC Filter with Voltage Rating 120 to 250 V, Current Rating 50 A, Leakage Current 0.09 to 0.18 mA, Temperature operating range -25 to 100 Degree C. Tags: Flange Mount. More details for RP120-50-1-S can be seen below.