Schneider Electric PN072079P3 AC Drive Circuit Board

Schneider Electric PN072079P3 AC Drive Circuit Board is a replacement printed circuit board designed for Square D Telemecanique Altivar 31 variable-speed drives. The part is identified by PN072079P3, with some listings noting revision codes such as 3D658105 05, which can appear on packaging or labeling. Used to repair or refurbish Altivar 31 drives, this board carries the drive’s internal control electronics that interface with the motor power stage and I/O to support speed reference processing, fault handling, and basic control functions. As a component within the Altivar 31 family, it enables continued operation of the drive when the original circuit board has failed or degraded, helping restore motor control in compact industrial applications. When selecting a replacement, confirm that PN072079P3 corresponds to your drive’s revision and configuration, and consult an authorized Schneider Electric distributor or service provider if there is any doubt about compatibility with your specific Altivar 31 frame or wiring scheme.