Siemens A1-106-100-533 ISO2 S 4290-40165-A Printed Circuit Board

Siemens A1-106-100-533 is a single-quadrant power interface printed circuit board (PCB) designed for the SIMOREG MKIII DC drive family. The board is listed as IS02 with interconnect code 6RA23, underscoring its role as the drive’s dedicated power interface board. It functions as the interface between the drive's control electronics and the power stage, consolidating power connections and signal routing for DC motor control. Catalogs describe the component as a Siemens driver board within the SIMOREG lineup, confirming its place in the drive's power architecture. A common hardware note from suppliers is the presence of screw terminals for external connections on this model. The A1-106-100-533 designation also appears in repair catalogs and supplier stock listings for SIMOREG MKIII power/interface boards.