Introducing the etaSMART APFC Controller from Lauritz Knudsen – a smart, user-friendly relay that automatically controls power factor by intelligently managing capacitor switching. Engineered for reliability in diverse electrical systems, it offers effortless installation with auto-programming capabilities, site-selectable CT secondary options (1/5A), and site-selectable 2/4 quadrant operation for industries with or without solar plant.

Lauritz Knudsen etaULTRA APFC Controller – A 3 CT 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.