Schneider Electric VX4-A66105 Line Filter Board

Schneider Electric’s Telemecanique VX4A66105 line filter board is an internal EMI noise suppression and input line filter module designed for Altivar 66 variable frequency drives, helping ensure stable drive operation in industrial automation by reducing conducted electrical interference. It mounts inside the drive assembly and is compatible with ATV66D54N4 through ATV66D79N4 and ATV66D46M2 models, supporting input line filtration as part of the VFD control system. The part number is VX4A66105 (alternate VX4-A66105), manufactured by Telemecanique (Schneider Electric), and is used for drive repair, equipment replacement, machine retrofits, and industrial control system upgrades in conveyors, pumps, fans, compressors, and other process equipment. Commonly selected for preventive maintenance and refurbishment to restore reliable operation and minimize downtime, this line filter board serves as the OEM-equivalent replacement for damaged or failed Altivar 66 drive filter circuitry.