What it is
The Siemens 6DR5620-0EG00-0AA0 is a SIPART PS2 Smart Electropneumatic Positioner — a microprocessor-based valve positioner that mounts on a pneumatic actuator and positions the valve stem according to a control signal. This build is configured without a limit monitor and without an option module, so the housing carries the base electronics only — no mechanical or inductive limit switches fitted, no plug-in card slot occupied. Connection thread el.: M20x1.5 / pneu.: G 1/4, which fixes the cable gland and the air supply port for the panel-builder and the process pipefitter respectively.
Lifecycle and sourcing posture
Lifecycle stage is current, which means the part sits in the active Siemens catalog channel — quoted to order against an RFQ, not pulled from a broker or last-time-buy window. For a buyer cross-checking the order code, 6DR5620-0EG00-0AA0 and 6DR56200EG000AA0 are alternate typographical forms of the same catalog number; the product itself is identical, so a panel specified to either spelling lands on the same component.
Fit, handling, and what the wireman checks
Because the build excludes both the limit monitor and the option module, no I/O slot is taken for mechanical switches and no expansion card is present — the installer sees the standard pneumatic manifold plus the M20x1.5 cable entry, nothing else.
Where this class is used
Electropneumatic positioners of the SIPART PS2 family are used on control valves in process skids — chemical dosing loops, steam letdown stations, fired-heater fuel valves, and similar throttling service — where a 4–20 mA or fieldbus setpoint has to be translated into a precise pneumatic stem position against process pressure.