3-phase filter reactor for harmonic mitigation
The Siemens SIDAC 4EU3032-0AS00-0BA0 is a 3-phase filter reactor rated for 690 V AC at 50 Hz, with a reactive power of 85 kvar and a relative throttling factor of 7%. Inductance is 0.0013 H; resonant frequency is 189 Hz. Thermal class H (180 °C) insulation per IEC 60085 means the reactor can operate at elevated ambient temperatures without derating — critical when mounted inside a sealed panel with other heat sources. The flat connector / screw-type terminals accept busbar or cable lugs for the main current circuit.
The 7% throttling factor is the standard impedance for line reactors used with variable-frequency drives — it limits inrush current and reduces harmonic distortion without excessive voltage drop at full load. Reactive power rating is 85 kvar at 690 V. The 0.0013 H inductance is the per-phase value at rated current. This inductance, combined with the 189 Hz resonant frequency, ensures the reactor does not resonate with power-factor correction capacitors at the fundamental or dominant harmonic frequencies.