SIEMENS 6SL3725-1TG41-0MA3 SINAMICS S120 Single Motor Module Compact 400mm Width 1000kW 1025A Liquid Cooled 690V

The SIEMENS 6SL3725-1TG41-0MA3 SINAMICS S120 Single Motor Module is a high-performance liquid-cooled drive solution engineered for demanding industrial applications. This compact unit, measuring 400mm in width, delivers an impressive 1000kW of power and a continuous current of 1025A at 690V, making it ideal for heavy-duty motor control. Its advanced liquid cooling system ensures superior thermal management, allowing for sustained peak performance and extended operational life even under extreme conditions. The SINAMICS S120 platform is renowned for its robust control capabilities, energy efficiency, and seamless integration into complex automation systems, positioning the 6SL3725-1TG41-0MA3 as a critical component for modern industrial automation where reliability and power density are paramount.

Product Specifications

| Parameter                 | Value                                         |

| :------------------------ | :-------------------------------------------- |

| Manufacturer              | SIEMENS                                       |

| Product Series            | SINAMICS S120                                 |

| Type                      | Single Motor Module                           |

| Cooling Method            | Liquid Cooled                                 |

| Width                     | 400 mm                                        |

| Power Rating              | 1000 kW                                       |

| Continuous Current        | 1025 A                                        |

| Voltage                   | 690 V                                         |

| Part Number               | 6SL3725-1TG41-0MA3                            |

Core Features & Market Positioning

The SIEMENS 6SL3725-1TG41-0MA3 stands out in the industrial drive market due to its exceptional power density, facilitated by its advanced liquid-cooling technology. This not only minimizes its physical footprint, a crucial advantage in space-constrained industrial environments, but also significantly enhances its thermal performance compared to air-cooled equivalents. The SINAMICS S120 architecture provides state-of-the-art vector control, enabling precise and dynamic motor response critical for high-performance applications. This drive module is positioned as a premium solution for industries requiring uncompromising reliability and efficiency in their motor control systems, such as heavy manufacturing, material handling, and complex process automation. Its integration within the broader Siemens automation ecosystem further solidifies its value proposition for users seeking comprehensive and scalable solutions.

Key Application Scenarios

This powerful single motor module is exceptionally well-suited for a wide array of demanding industrial applications. It excels in driving large pumps and fans in power generation and water treatment facilities, where consistent and robust performance is essential. In the metals industry, it finds application in rolling mills and coil processing lines, requiring precise speed and torque control. The shipbuilding sector can leverage its capabilities for large propulsion systems and cranes. Furthermore, its high power output makes it a suitable choice for demanding applications in the mining and cement industries, such as conveyor systems and crushers, where reliability and the ability to handle significant loads are critical.

Practical System Integration Guidance

Integrating the SIEMENS 6SL3725-1TG41-0MA3 into an existing or new system demands careful consideration of its liquid-cooling requirements. A dedicated liquid cooling circuit, including a pump, heat exchanger, and appropriate coolant, must be established. Proper pipework connection to the module's integrated ports is vital, ensuring leak-free operation. Electrical connections should adhere strictly to the voltage and current ratings specified, utilizing high-quality cables and appropriate protection devices. For seamless integration, the module connects to the SINAMICS S120 control unit and is typically configured using Siemens' STARTER commissioning software. This software facilitates parameterization, motor data identification, and diagnostic setup, enabling efficient and precise system setup.

Operation and Risk Mitigation

Safe and effective operation of the SIEMENS 6SL3725-1TG41-0MA3 SINAMICS S120 module relies on adherence to operating manuals and safety regulations. Prior to commissioning, ensure all electrical connections are secure and the liquid cooling system is functioning correctly to prevent overheating. Overcurrent and overvoltage protection must be correctly configured within the drive parameters to mitigate risks of equipment damage. Regular inspection of the cooling circuit for leaks or blockages is crucial for maintaining optimal performance and preventing unexpected shutdowns. Familiarity with common fault codes, such as those related to motor temperature (F700 series) or cooling system faults, and their corresponding corrective actions, is essential for prompt troubleshooting and minimizing downtime.

Scalability & Long-Term Value

The SINAMICS S120 platform, on which the 6SL3725-1TG41-0MA3 is based, offers significant scalability and long-term value within industrial automation. This modular system allows for the expansion of motor control capabilities by adding further S120 modules to a common DC bus, facilitating the integration of multiple drives into a single, coordinated system. Its compatibility with various communication protocols, such as PROFINET and PROFIBUS, ensures seamless integration with Siemens PLCs and other control systems, as well as third-party automation components. Furthermore, the drive module supports advanced diagnostics and condition monitoring features, which can be leveraged with Industrial Internet of Things (IIoT) platforms for predictive maintenance, thereby enhancing operational efficiency and reducing lifecycle costs.

FAQs

Q1: What are the primary benefits of liquid cooling for this Siemens drive?

Liquid cooling offers superior heat dissipation compared to air cooling. This allows for higher power density in a compact module size. It ensures consistent performance under heavy loads and extends component lifespan.

Q2: How does the SIEMENS 6SL3725-1TG41-0MA3 integrate with other automation components?

The module integrates via digital and analog I/O and fieldbus communication. It connects to Siemens SIMOTION or SINUMERIK controllers. PROFINET and PROFIBUS are common integration protocols for networking.

Q3: What are common applications for a 1000kW liquid-cooled drive?

Heavy-duty applications like rolling mills are a prime use. Large pumps and fans in power plants are another common scenario. Mining equipment and large material handling systems also benefit.

Q4: What is the role of the control unit with this motor module?

The control unit manages motor control algorithms and communication. It provides the intelligence for precise speed and torque regulation. The motor module delivers the power output based on control unit commands.

Q5: How can I ensure optimal cooling for this module?

Maintain a clean and properly functioning liquid cooling circuit. Use the specified coolant and monitor its temperature and flow rate. Regularly check for leaks and ensure proper connections.

Q6: What safety precautions should be taken during installation and operation?

Always disconnect power before any work. Follow wiring diagrams precisely for safe electrical connections. Ensure proper grounding and use appropriate personal protective equipment.

Q7: What distinguishes the SINAMICS S120 platform from other drive systems?

S120 offers advanced vector control for precise motor performance. Its modular design allows for flexible system expansion. It provides high-quality diagnostics and integration capabilities within Siemens' TIA Portal.

Q8: Can this module be used with different types of motors?

Yes, the SINAMICS S120 platform supports various motor types. This includes asynchronous, synchronous, and permanent magnet motors. Proper motor data configuration is essential for optimal performance.

Q9: What is the typical commissioning process for this drive?

Commissioning involves physical installation and wiring. Then, use STARTER software for parameterization. Motor identification and safety function setup are also key steps.

Q10: What are the advantages of a 400mm width for this power rating?

A 400mm width indicates high power density. It means the module is compact for its substantial 1000kW output. This saves valuable space in control cabinets and plant layouts.