Siemens 6SN1111-0AA01-1AA0 is a SIMODRIVE 611 mains filter module designed for use with unregulated-power-supply configurations in 10 kW drive systems. Marketed as an EMI/RFI noise filter, it sits in the mains input path of a SIMODRIVE 611 installation to suppress conducted disturbances and help meet EMC requirements for servo-drive applications. This exact part number is described by Siemens and reseller listings as the 6SN1111-0AA01-1AA0 mains filter for SIMODRIVE 611, distinguishing it from higher-kilowatt variants in the same family.
