General Data Rated voltage3 x 520 Vac Voltage range 0 ‑ 3 x 520 Vac Rated current 3 x 8 ‑ 3 x 250 A+N Leakage current 6.00 ‑ 7.00 mA Degree of protection IP 20 Advantages For enhanced requirements Reduced leakage current Single‑stage filter concept Efficient filter effect against line‑bound interference emissions Standards Radio interference suppression filter to DIN EN 60939‑2 Radio interference suppression filter for line-side interference suppression of single devices, frequency converters or as group interference suppression.