General Data Rated input voltage 3 x 400 Vac For reactive power 25 ‑ 50 kVAr Detuning factor 7 ‑ 14 % Insulation class F Maximum ambient temperature 40 °C Degree of protection IP 00 Advantages No overloading of the capacitors Improvement of the impedance behaviour Low inductance tolerance Very good corrosion protection and low noise thanks to BLOCKIMPEX vacuum impregnation Linear inductance development to far above the rated current Thermal design for continuous duty in the event of mains operation and harmonics Standards Harmonic reactor in accordance with EN 61558 Part 1, 61558 Part 20, UL 506, CSA 22.2 Approvals UL 506, CSA 22.2 Harmonic reactor for choking idle current compensation installations.