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Siemens 6ES7405-0DA02-0AA0 is a Power Supply for the Simatic S7 product family.
From a maintenance perspective, power-supply modules form the electrical foundation of an automation system by delivering conditioned operating power to the equipment assigned to their supply circuit. The assigned system function should be preserved through installation and service.
Within an S7 installation, the exact hardware order number determines supported interfaces and configuration behavior. System and software compatibility should be checked before replacement. The original equipment schedule should guide compatibility review.
Country of origin is listed as Germany.
When this product is used for lifecycle support, technicians should confirm the installed revision, connection arrangement, and system assignment rather than assuming interchangeability with a similarly named module. Configuration records should be reconciled with the exact installed assembly.
Active Siemens Product 01.31.2025
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