
Siemens 6ES7 405-0KA02-0AA0 S7-400 power supply module for SIMATIC automation systems.
The Siemens 6ES7 405-0KA02-0AA0 is a power supply module designed for the SIMATIC S7-400 programmable logic controller (PLC) range. This PS 405 series unit provides regulated DC power to the S7-400 rack and its installed modules, ensuring stable operation of the automation system.
This power supply module is a critical component in S7-400 based industrial automation installations, commonly deployed in manufacturing, process control, and large-scale production environments where reliable and continuous PLC operation is essential.
The S7-400 platform represents Siemens’ legacy high-performance PLC series, which has been widely deployed in industrial settings worldwide. While the S7-400 has been superseded by the S7-1500 range, significant installed base remains in active service, creating ongoing demand for spare and replacement components.
Available from Tech Star as new or refurbished stock. Submit a price enquiry for availability and lead time.

| Platform | HiPath 3000/4000 |
|---|---|
| Manufacturer | Siemens |

| Platform | Optipoint/OpenStage |
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| Manufacturer | Siemens |

| Platform | HiPath/Hicom |
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| Platform | HiPath/Hicom |
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| Platform | Gigaset Professional |
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| Platform | HiPath 3550 |
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| Platform | SIMATIC S7-400 |
|---|---|
| Manufacturer | Siemens |

| Platform | SIMATIC S7-400 |
|---|---|
| Manufacturer | Siemens |

| Platform | SIMATIC S7-400 |
|---|---|
| Manufacturer | Siemens |

| Platform | SIMATIC S7-400 |
|---|---|
| Manufacturer | Siemens |
| Key Features | Rack-mounted power supply module; Regulated DC output for S7-400 systems; Hot-swap capable design |
|---|---|
| Applications | Industrial process automation; Manufacturing control systems; Large-scale PLC installations |
| Compatibility | Siemens SIMATIC S7-400 PLC racks; S7-400 automation systems |
| Specifications | PS 405 series power supply; S7-400 rack mounting |
| Platform | SIMATIC S7-400 |
| Manufacturer | Siemens |
Prices change daily based on stock and supply.
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