6SL3983-6PX00-0AA0 SIEMENS Control module Description And Features The Siemens part 6SL3983‑6PX00‑0AA0 is a high‑voltage thyristor module designed for use in driving systems (in particular the Siemens Sinamics product family). The module serves as a power switching component (thyristor/block) in a larger inverter or drive assembly (for example Siemens Sinamics family).It likely resides in the DC‑link or high‑voltage section of the power electronics where switching of large