Siemens SIMODRIVE 611 Power Module 6SN1123-1AA00-0JA0

The Siemens 6SN1123-1AA00-0JA0 is a single-axis SIMODRIVE 611 power module rated at 300 A with internal heat dissipation, part of the Siemens SIMODRIVE 611 drive system used extensively in CNC machining centers and industrial automation equipment. The nameplate identifies it as an LT-Modul INT.300A, serial number T-K52012938, Version G, made in Germany. According to Siemens published specifications, the module accepts an input voltage of 380V to 480V AC and provides a DC link output, with a motor rated feed current of 100 A and a main spindle current of 120 A. Internal cooling requires the addition of an external fan unit or liquid cooling hose connection. The module connects to the SIMODRIVE 611 system via a flat ribbon cable and three-phase power bus connections visible at the front. The 6SN1123-1AA00-0JA0 was discontinued by Siemens and superseded by the 6SN1123-1AA00-0JA1; the two versions share identical mechanical and electrical specifications. This module weighs approximately 22 kg per Siemens documentation. It is suitable as a replacement or spare component in legacy SIMODRIVE 611 installations across a wide range of CNC machine tool platforms.

Stock # 0226-637