Siemens 6ES7405-0DA02-0AA0 is a SIMATIC S7-400 PS 405 4 A power supply for DC-fed controller racks. It accepts rated 24, 48 or 60 V DC and provides regulated 5 V DC for the backplane plus a 24 V DC output. Siemens documentation specifies short-circuit protection, power-failure buffering and provision for optional backup batteries. The module supports reliable rack power conversion in industrial automation systems. Before replacement, verify the complete suffix, incoming DC level, rack arrangement, connector condition and battery requirements against the installed system documentation.
Condition, availability and warranty are Stockoems commercial terms. The lifecycle wording follows the Siemens catalog.
| Manufacturer | Siemens |
| Complete Part Number | 6ES7405-0DA02-0AA0 |
| Product Type | SIMATIC S7-400 PS 405 4 A power supply module |
| Product Family | PS 405/407 power supply |
| Rated Input | 24 V DC, 48 V DC or 60 V DC |
| Backplane Output | 5 V DC, maximum 4 A |
| 24 V Output | 24 V DC, maximum 0.5 A |
| Power-Failure Buffering | 20 ms |
| Short-Circuit Protection | Yes |
| Optional Backup Battery | Two AA lithium batteries, 3.6 V / 2.2 Ah |
| Dimensions | 25 × 290 × 217 mm (W × H × D) |
| Official Life Cycle | PM300: Active Product |
| Country of Origin | GERMANY |
| Product Condition | Original new |
| Availability | In stock |
| Warranty | With 1 year warranty |
| Shipping | Worldwide shipping |
Verify the full suffix 6ES7405-0DA02-0AA0, rated incoming DC voltage, rack arrangement, power connector, backplane load, optional battery requirements and installed S7-400 documentation before replacement.
It is a SIMATIC S7-400 PS 405 4 A power supply module for DC-fed automation racks.
Siemens specifies rated inputs of 24 V DC, 48 V DC and 60 V DC.
The module provides 5 V DC at up to 4 A for the S7-400 backplane.
Siemens documentation provides for two optional AA lithium backup batteries rated 3.6 V / 2.2 Ah.
Siemens lists this exact article under PM300: Active Product.
Send us the complete part number, required quantity, destination country and product label photos. Our team will check availability, condition, compatibility requirements and shipping options.
Email: sales6@apterpower.com | WhatsApp: +86 18159889985
A practical verification, logistics and after-sales workflow for industrial automation procurement.
Model and suffix verification checks the requested order code. Product and label photo confirmation supports visible identity review.
Condition confirmation records the offered commercial condition and available visual evidence.
Technical compatibility review considers suffix, revision, electrical requirements, interfaces and the installed system.
Protective packaging is selected for the equipment, connectors and planned transport route.
Worldwide shipping, shipment tracking and customs documentation are coordinated for the agreed order.
Written warranty terms, the return authorization process and after-sales response are documented for the transaction.
Visible condition, labels and order details are reviewed against the agreed supply description.
Commercial and customs documents are prepared for the selected shipping arrangement.
Procurement, delivery and reported product concerns receive coordinated follow-up.
Look for exact suffix checks, clear condition statements, traceable label photos, written warranty terms and a documented return authorization process.
Request the complete order code, label details, revision data when applicable, electrical requirements, interface compatibility and installed-system information.
Incomplete suffixes, reused photos, missing labels, vague condition claims, unsupported specifications and unclear warranty or return terms are common risk signals.
Share the complete part number, quantity, destination country and label photos so our team can review the order requirements.
Email: sales6@apterpower.com | WhatsApp: +86 18159889985
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