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Simatic S7-400 Battery - Siemens Simatic S7-400 Battery - Spare Module Type Siemens Simatic S7-400 Replacement Lithium-Manganese Dioxide (Li-MnO2) PLC Battery – CutRateBatteries.com
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![Jack Plug for the supply of an external backup voltage to S7-400 PLCs - ID: 24525963 - Industry Support Siemens Jack Plug for the supply of an external backup voltage to S7-400 PLCs - ID: 24525963 - Industry Support Siemens](https://support.industry.siemens.com/cs/images/24525963/klinkenstecker_anschlusskabel_e.gif)