Share on social networks Harmonic Filter Contactors Overview Reviews General specifications: In the harmonic LV networks, it is essential to use Detune Harmonic Filters in series with PFC Capacitors. Since the capacitors are equipied with Detune Filters, there is no high inrush current and therefore no need to use AC6b Cap. Duty Contactors. Applications : Harmonic Filter Contactors are used in switching the PFC Cap. in Automatic Capacitor Banks. Show my email. Characters left: 400 Comment is required Generate New Image Generate New Image Alert me when published. Submit AddToCartModal ×