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The Siemens 6ES5956-0AA12 is a dedicated power supply module engineered for the Simatic S5 automation series. This component functions as a board-level power solution, providing stable 15 V DC output to the backplane to support essential control, communication, and I/O modules within the S5 rack environment. By ensuring consistent voltage delivery, this module is vital for maintaining the reliability of legacy control systems in demanding industrial sectors such as manufacturing, energy, and process automation.
| Model | 6ES5956-0AA12 |
| Brand | Siemens |
| Series | Simatic S5 |
| Module Type | PC Board Power Supply |
| Output Voltage | 15 V DC |
| Operating Temperature | 0 to 60 deg C |
| Cooling Method | Natural Convection |
What system is this module designed for?
The 6ES5956-0AA12 is specifically designed for the Siemens Simatic S5 legacy automation platform.
Does this module require external cooling fans?
No, this module utilizes passive natural convection for thermal management, which helps increase the overall MTBF of the system.
What is the output voltage of this unit?
This power supply module provides a stabilized 15 V DC output.

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