The 849-20/004 from Qualtek Electronics is a EMI / EMC Filter with Voltage Rating 115 to 250 V, Current Rating 16 to 20 A, Leakage Current 0.45 to 0.90 mA, Temperature operating range -25 to 85 ºC. Tags: Chassis Mount. More details for 849-20/004 can be seen below.