Defined absorbing of harmonics Reducing voltage alterations Unloading mains as quick as lightning Dropping power expenses NF1 Controlled and fixed harmonic filters (tuned filters), inside steel-sheet-cabinet or IP00 for switchboard mounting 230-690V, 50/60Hz Active filtering of harmonics - the solution for problematical cases NF2 Active filter SINMATIC for the dynamic compensation from the 3rd up to the 50th harmonic, inside steel-sheet cabinet or as IP00 construction kit, 230-690V, 50/60Hz NF3 like NF2, but combined with Automatic capacitor banks BV or BVS

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