
Siemens 6ES7400-2JA00-0AA0 SIMATIC S7-400 power supply module.
The Siemens 6ES7400-2JA00-0AA0 is a power supply module designed for the SIMATIC S7-400 programmable logic controller (PLC) series. This PS 407 power supply unit provides the necessary DC power to the S7-400 rack and its installed modules, converting incoming AC mains voltage to the backplane voltages required by the CPU and I/O modules.
The S7-400 is Siemens’ high-end PLC platform, deployed in demanding industrial automation applications including process control, manufacturing lines, and complex machinery. The power supply module is a critical component ensuring stable and reliable operation of the entire automation rack.
The SIMATIC S7-400 series is a legacy platform, having been superseded by the S7-1500 range. However, substantial installed bases remain in operation across industrial facilities worldwide, maintaining ongoing demand for replacement and spare components.
Available from Tech Star as new or refurbished stock. Submit a price enquiry for availability and lead time.

| Platform | HiPath/HiCom |
|---|---|
| Manufacturer | Siemens |

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| Manufacturer | Siemens |

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

| Platform | Gigaset E630 |
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| Manufacturer | Siemens |

| 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 | PS 407 power supply module; Rack-mounted design; Supplies backplane DC voltages; Hot-swap capability |
|---|---|
| Applications | Industrial process control; Factory automation; Manufacturing line control; Complex machinery automation |
| Compatibility | Siemens SIMATIC S7-400 PLC racks; S7-400 CPU modules; S7-400 I/O modules |
| Specifications | S7-400 rack mounting; AC input voltage; DC output for backplane supply |
| Platform | SIMATIC S7-400 |
| Manufacturer | Siemens |
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