Central Controls & Engineering Services

auritz Knudsen etaULTRA APFC Controller for accurate phase-wise monitoring, individual harmonics measurement up to the 31st order, and advanced optimization algorithms, etaULTRA ensures hunt-free operation, superior power quality, and optimal capacitor bank switching via contactors or thyristors. With built-in MODBUS RS-485 communication, dual power factor settings for mains/DG applications, and cascading support for panels exceeding 16 steps, it delivers unmatched reliability and efficiency in unbalanced or harmonic-rich systems.