The 6609030-4, a 3VR1 series filter, is a two-stage RFI power line filter designed to control pulsed, continuous, and intermittent interference. It operates with a rated voltage of 120/250 VAC at 50/60 Hz and carries a 3A current rating. Key electrical characteristics include a maximum leakage current of 0.21 mA at 120 VAC, a line-to-ground hipot rating of 2250 VDC, and a line-to-line hipot rating of 1450 VDC. This filter provides premium performance for low-impedance loads in noisy RFI environments, protecting equipment from power line noise and preventing equipment from adding noise to the line.