TCI (Trans-Coil International)

The Leading Source for Active and Passive Harmonic Filters

TCI, part of Allient Power, is the leading manufacturer of active filters and passive filters to mitigate harmonics and improve power quality. TCI’s Engineers specialize in developing optimal solutions to achieve IEEE-519 compliance and enhanced motor protection.

TCI partners with electrical and machinery OEMs worldwide, to offer both stand alone and integrated harmonics mitigation and power quality solutions. With over 50 years of experience in solving complex power quality problems, TCI has the expertise to design the right solution for you.