Prevents resonance risk
Works with capacitor banks to prevent system resonance and reduce the adverse effects of harmonics.
0.5–100 kVAr
%5,67 / %7 / %14
134–210 Hz
Harmonic filter reactors
Inductive power components that improve power quality and protect compensation systems by limiting harmonic currents caused by non-linear loads.
Operating principle
Shifts the resonance frequency to a safe level
Harmonics from drives (VFDs), UPS systems and similar loads can cause voltage distortion, overheating, capacitor failures and resonance risk. Connected in series with capacitor banks, harmonic filter reactors shift the system resonance frequency to a safe level and bring harmonic currents under control.
The right product should be selected through engineering calculations that consider THD level, load characteristics, installed power and capacitor capacity.
Extends capacitor life
Limits overloads caused by harmonic currents, supporting safe capacitor operation.
Improves power quality
Keeps grid harmonic levels under control, helping energy systems run stably.
Technical data
Specification values andkey features
Technical specifications
- Power range
- 0.5 – 100 kVAr
- Voltage
- 230 VAC (single-phase) · 400 VAC (three-phase)
- Impedance ratio (P)
- %5,67 · %7 · %14
- Tuning frequency
- 210 Hz · 189 Hz · 134 Hz
- Insulation class
- Class F (155 °C)
- Standards
- EN 61558-1, EN 61558-2-20
Key features
- Manufactured to the required current and power values
- Custom design for the required THDv value
- Reinforced construction suited to grid harmonic levels
- Thermal protection against overloads
- Terminal, lug or busbar connection
- Class F (155 °C) insulation material
- Low losses, moisture protection and quiet operation through vacuum varnishing
- Air-gapped, high-permeability design
- Manufactured under ISO 9001 quality management
- Compliant with EN 61558-1 and EN 61558-2-20
Values are shared for information purposes and may vary. Production with different values is possible. For details, contact us.
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