Feature of APFC Controller, 3-Phase / 3CTs, Connecting Single-Phase & 3-Phase Capacitors, Compensation of Each Phase, Measures : A,Cos-Ø, Total W, Total VAr, Total VA, Total KWH, Total KVArh, Harmonic Measurement (up to 19th), THD 1% THD V%, Programmable THD Protection, Programmable Discharge Time, Programmable THD Alarm, Password Protection for setup, Overheat Protection (Optional), RS-485 Communication (Optional), RG-15C - Intelligent relay PFC with smart switching with all 15 steps relay connection, RG-15C - Intelligent relay PFC with smart switching with all 15 steps r e lay connection with communication.