Siemens 6EC1001-3A is a SIMATIC C1 potted-block module containing three-input AND gates, designed as a compact logic block for use in early SIMATIC C1 systems. The part number 6EC1001-3A is cataloged as a POTTED BLOCK 3 THREE-INPUT AND GATES, reflecting its purpose as a standalone digital logic component within the C1 family. You’ll commonly find this module in older plant equipment and replacement-part listings from retailers such as Radwell, PLC-City, and Classic Automation; verify that your C1 configuration accepts this exact potted block before purchase.
