Power Quality Systems

SOFIA– Voltage Controlled Harmonic Filter

Operating Data

Rated Voltage 400-690V / 50Hz
Filter Current/frequency H5: 200-300-360A /250Hz,
H7: 125-150-180/ 350Hz,
H11: 80-100-120 / 550Hz
No Load Current H5:133…162/134…158A,
H7: 51…55/58…69A,
H11: 37/29A
Capacitor Dimensioning >900/1400V
Losses H5: <1250W/1500W/2070W,
H7: <900W/1200W/2070W,
H11: <460W/600W/1000W


  • EN 61000-2-4

Safety and Protection

Protection Class IP21 – IP42 – IP54
Cooling Natural / Forced with Fans


Ambient Temperature -5/+40°C, 24 hour average ≤ 35°C
Cable Entry From Bottom
Connections L1, L2, L3 and PE