General Data Rated voltage3 x 520 Vac Voltage range 0 ‑ 3 x 520 Vac Rated current 3 x 8 ‑ 3 x 110 A Leakage current 18.00 ‑ 66.00 mA Degree of protection IP 20 Rail mounting Advantages For general requirements Single‑stage filter concept Efficient filter effect against line‑bound interference emissions Increase in the interference immunity of the connected consumer Standards Radio interference suppression filter to DIN EN 60939‑2 Radio interference suppression filter for mains-side interference suppression of power supplies and electronic devices.