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Siemens designates 3RK1304-0HS00-6AA0 as an ET 200 RSM Maintenance Switch Module associated with the Simatic S7 control platform.
Within the control architecture, this product serves the equipment role stated in its description and should be selected by exact model identity rather than by appearance or a broadly similar name. This helps preserve the function assigned to the installed control node.
SIMATIC S7 integrates programmable control, modular I/O, and industrial communication functions. This product belongs to the PLC modules layer of the installed S7 automation solution. System drawings should be consulted before replacement.
For maintenance or replacement work, the exact module designation should be checked against the installed hardware, wiring records, and control-system documentation before the component is placed into service. Maintenance planning should reference the installed hardware configuration.
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