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 currents and voltages is required.
Frequently Asked Questions About 6SL3983-6PX00-0AA0
Q1: Is this module still available from Siemens?
A1: Some listings indicate the part is marked as “Active” but very long lead time (e.g., 86 weeks) suggests it might be near
phase‑out or subject to supply constraints.
Q2: What does the “8 kV / 4.71 kA” rating mean?
A2: It indicates the maximum voltage the module is designed to switch (8 kilovolts) and the maximum current rating 
(approx. 4.71 kiloamperes) under specified conditions. These values are indicative — actual usable ratings
will depend on thermal, cooling, mounting conditions, etc.
Q3: Can I substitute this module with a lower voltage/current one?
A3: Only if your application requirements (voltage, current, drive spec) allow it. Substituting with a
lower‑rating module may compromise performance, reliability, or even safety. Always refer
to the drive’s original specification and Siemens
documentation.
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