Meet the Siemens 6ES5931-7AA11, a dedicated power supply module designed for industrial automation systems. This unit reliably converts input line voltage to stable, regulated DC power for system components. Moreover, it provides the essential electrical foundation for SIMATIC controller racks and connected I/O modules. Consequently, it ensures continuous and stable operation for your entire automation control system.
Detailed Technical Specifications
The 6ES5931-7AA11 delivers consistent power within a robust industrial form factor. Below are its key technical parameters for electrical system design and load calculation.
| Parameter | Specification |
|---|---|
| Manufacturer & Model | Siemens 6ES5931-7AA11 |
| Module Type | Power Supply Module (PSU) |
| Compatible System Series | SIMATIC |
| Primary Function | AC to DC Conversion & System Power Distribution |
| Typical Mounting | System Rack or DIN Rail |
Core Functionality and System Role
This power module conditions incoming AC voltage to clean, stable DC levels required by logic and I/O circuits. Therefore, it protects sensitive electronic components from line voltage fluctuations and electrical noise. Additionally, its design typically includes overload and short-circuit protection to safeguard connected devices.
The module serves as the central power hub within a controller rack or enclosure. Furthermore, for complete system protection, it should be integrated with upstream protection devices. For example, a RMS-TSG-TZ-C Static Trip unit can provide coordinated overcurrent and short-circuit protection for the main supply line.
Engineered for Uninterrupted System Uptime
Choosing the genuine Siemens 6ES5931-7AA11 guarantees compatibility and reliability for your SIMATIC system. Its robust construction ensures long-term performance in typical industrial environments with electrical noise and temperature variations. Ultimately, this power supply module is a critical component for maintaining the integrity and availability of your automation control system.
MeloAuto-Trusted PLC & DCS Parts Supplier


















WeChat
Scan the QR Code with wechat