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Product Overview：Siemens 6DD2920-0AL0
The Siemens 6DD2920-0AL0 power supply module is a high-performance industrial component designed for mission-critical automation systems. As part of Siemens’ SIMATIC ET 200 series, this module provides stable and reliable power distribution in harsh industrial environments, ensuring seamless operation of control systems, PLCs, and other connected devices. Engineered with advanced circuitry, the 6DD2920-0AL0 delivers consistent power output while maintaining electromagnetic compatibility (EMC) and safety standards.
With a 24V DC input voltage and 10A output current, the 6DD2920-0AL0 is optimized for applications requiring continuous power supply. Its compact design (125mm x 100mm x 60mm) allows for easy integration into space-constrained control cabinets, while the DIN rail mounting ensures quick installation. The module’s -25°C to 70°C operating temperature range and IP20 protection rating make it suitable for use in extreme industrial conditions, including high humidity and dust-prone environments.
In automation systems, the 6DD2920-0AL0 plays a pivotal role in supporting critical processes such as manufacturing, power generation, and oil & gas production. By providing redundant power paths and fault detection capabilities, it minimizes downtime and enhances system reliability. The module’s diagnostic LED indicators allow operators to monitor power status in real-time, reducing maintenance efforts and improving overall operational efficiency.
Technical Specifications：Siemens 6DD2920-0AL0
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 6DD2920-0AL0 |
| Manufacturer | Siemens |
| Product Type | Power Supply Module |
| Input Voltage | 24V DC ±10% |
| Output Current | 10A |
| Output Voltage | 24V DC |
| Efficiency | >90% |
| Physical Dimensions | 125mm x 100mm x 60mm |
| Weight | 0.8 kg |
| Operating Temperature | -25°C to 70°C |
| Humidity | 5–95% non-condensing |
| Mounting Type | DIN rail |
| Protection Rating | IP20 |
| EMC Compliance | EN 61000-6-2, EN 61000-6-4 |
Siemens 6DD2920-0AL0
Key Features and Advantages：Siemens 6DD2920-0AL0
Reliable Power Delivery: The 6DD2920-0AL0 ensures stable 24V DC output with ±1% voltage regulation, protecting connected devices from voltage fluctuations. Its short-circuit protection and overload detection mechanisms safeguard the module and downstream equipment from damage.
Compact and Rugged Design: With dimensions of 125mm x 100mm x 60mm and IP20 rating, the module resists dust and light splashes while fitting seamlessly into standard control cabinets. The lightweight construction (0.8 kg) facilitates easy handling during installation and maintenance.
Redundant Configuration: The module supports parallel operation with other 6DD2920 series power supplies, enabling redundant power systems for high-availability applications. This feature is critical in industries where downtime cannot be tolerated, such as healthcare and aerospace.
Advanced Diagnostics: Built-in LED indicators provide real-time status updates for input/output voltage, overload, and fault conditions. The module also includes a power-fail signal that can be integrated into the control system for proactive maintenance.
Wide Operating Range: The -25°C to 70°C temperature tolerance allows the 6DD2920-0AL0 to operate in extreme environments, from sub-zero industrial freezers to high-temperature manufacturing facilities.
Application Areas：Siemens 6DD2920-0AL0
The Siemens 6DD2920-0AL0 power supply module is widely used in industries requiring robust and reliable power solutions:
- Manufacturing: Supports PLCs, robotics, and conveyor systems in automotive, food & beverage, and electronics production lines. Ensures continuous operation of critical equipment to meet production targets.
- Power Generation: Integrates with turbine control systems and grid infrastructure to provide stable power for monitoring and automation in power plants.
- Oil & Gas: Deployed in offshore platforms and refineries to power distributed control systems (DCS) and safety instrumented systems (SIS), ensuring compliance with stringent safety standards.
- Water Treatment: Manages power distribution for pumps, valves, and SCADA systems in wastewater treatment plants, optimizing energy consumption and operational efficiency.
- Mining: Reliably powers heavy machinery and ventilation systems in mining operations, enhancing safety and productivity through consistent performance.
Related Products：Siemens 6DD2920-0AL0
- 6DD2920-0AD0: A 10A power supply module with similar specifications but designed for 12V DC input, offering flexibility in power system configurations.
- 6DD2920-0AB0: A 5A power supply module ideal for low-power applications, complementing the 6DD2920-0AL0 in mixed-load systems.
- 6DD2920-0AC0: A 20A power supply module for high-current requirements, suitable for powering multiple devices in parallel.
- 6ES7 307-1BA01-0AA0: A Siemens S7-300 power supply that interfaces with the 6DD2920-0AL0 for redundant power in PLC systems.
- 6ES7 138-4DA01-0AB0: A PROFINET interface module that works alongside the 6DD2920-0AL0 to enable communication between distributed I/O systems and controllers.
- 6DD2920-0AL1: An upgraded version of the 6DD2920-0AL0 with enhanced EMC performance for noise-sensitive environments.
- 6DD2920-0AL2: A DIN rail-mounted power supply with built-in surge protection, suitable for harsh industrial environments.
Siemens 6DD2920-0AL0
Installation and Maintenance：Siemens 6DD2920-0AL0
Installation Preparation:
Before installing the 6DD2920-0AL0, verify the 24V DC input voltage and ensure the DIN rail is securely mounted. Clean the rail surface and align the module with the mounting clips. Connect the input power cables to the terminal block, ensuring proper torque (4-6 Nm). For redundant configurations, link multiple modules using the provided parallel connection terminals.
Before installing the 6DD2920-0AL0, verify the 24V DC input voltage and ensure the DIN rail is securely mounted. Clean the rail surface and align the module with the mounting clips. Connect the input power cables to the terminal block, ensuring proper torque (4-6 Nm). For redundant configurations, link multiple modules using the provided parallel connection terminals.
Maintenance Recommendations:
- Routine Checks: Quarterly inspect the module for loose connections, damaged cables, or signs of overheating. Clean dust from the surface using a dry cloth.
- Thermal Management: Ensure adequate airflow around the module to prevent overheating. Avoid installing in enclosed spaces without proper ventilation.
- Redundancy Testing: Test parallel configurations annually to confirm failover functionality. Replace faulty modules immediately to maintain system resilience.
- Firmware Updates: Periodically update the module’s firmware using Siemens’ STEP 7 software to access new features and bug fixes.
Product Warranty：Siemens 6DD2920-0AL0
We provide a 12-month quality warranty for the Siemens 6DD2920-0AL0 power supply module, covering hardware defects caused by non-human factors. During the warranty period, we will replace any malfunctioning module free of charge. For discontinued models or urgent requirements, our global supply chain network ensures rapid fulfillment of scarce spare parts, supporting continuous operation of industrial systems.
With 17 years of expertise in industrial control parts distribution, we guarantee competitive pricing, fast delivery, and reliable technical support. Contact us today to optimize your automation system with the 6DD2920-0AL0 power supply module.
Note: All product names, logos, and brands are property of their respective owners. This document is for informational purposes only and does not constitute an official technical manual. Always refer to the manufacturer’s documentation for detailed specifications and installation guidelines.
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