Here is a summary of locations where various SIZER versions have been found, including version 3.23:
SIZER provides an integrated environment that guides you step-by-step through the engineering process. 1. Mechanical Analysis
Automatically matches mechanical demands with the appropriate Siemens motors, gearboxes, and SINAMICS frequency converters.
Siemens offers many of its engineering tools and updates directly through its Siemens Industry Online Support (SIOS) portal. Utilizing the official, authorized versions ensures that your calculations are accurate and your data is secure. How to Get Official Siemens Drive Engineering Tools siemens sizer 323 download free
Because SIZER contains industrial engineering algorithms, its download is subject to international export control regulations.
While older versions of SIZER existed, the latest versions (often categorized under "3.x" series, encompassing what users might search for as 323) are crucial for accessing the latest motor data, firmware updates, and improved user interfaces.
Siemens still offers a simply called "SIZER" (version 3.19 as of 2025). This is the spiritual successor to Sizer 323. Here is a summary of locations where various
This is where the "free download" aspect often leads. Because Siemens made legacy versions harder to find, various engineering forums hosted the files. A significant amount of traffic for version 3.23 points to Chinese resources.
Always check the official Siemens Industry Online Support portal . They often archive older software.
Downloading software from the Siemens portal requires a free account. Click "Register" if you are a new user, or log in with your existing credentials. Note: Some software downloads require an export control verification process, which may take up to a few days to approve. Siemens offers many of its engineering tools and
To proceed with your engineering project, please let me know:
Siemens officially recommends moving away from the standalone SIZER V3.xx series. Integrated Dimensioning : Drive system sizing is now integrated into the TIA Selection Tool , which is available as both a desktop application cloud version Advantages
Engineers can input custom velocity, acceleration, and positioning profiles. SIZER calculates the resulting thermal load on the motor to prevent field failures from overheating. 3. Comprehensive Data Export
It guides users through the entire process of configuring power supplies, drives, and motors.
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