With 300 A capacity, operating at 480 Vac ±10%, ECOsine® Active Harmonic Filter uses digital technology to monitor and dynamically correct harmonics up to 50th order in less than 300 µs, eliminating disturbances before they can cause problems. Connection-ready 3-wire unit includes forced air cooling and internal liquid cooling for power electronics. Featuring freestanding enclosure with IP54 rating, filter is suited for variable frequency motor drives, UPS, HVAC equipment, and data centers.