Siemens 6QA5113-2AK30 is a single-thyristor module used in SIMADYN D systems as the Sitor Pulse Transmitter Thyristor Module PLC. Identified by the 6QA5113-2AK30 part number, it sits within Siemens' 6QA family of thyristor modules and is designed to interface with Sitor pulse transmitter circuitry in industrial automation hardware. Availability appears from multiple distributors as new or refurbished, reflecting its role in legacy Siemens automation installations and power-electronics applications requiring robust thyristor switching.
