SIEMENS 6SL3725-1TE41-0MA3 SINAMICS S120 Single Motor Module Compact 400mm Width 560kW 985A Liquid Cooled 400V

The SIEMENS 6SL3725-1TE41-0MA3 SINAMICS S120 Single Motor Module stands as a high-performance liquid-cooled drive solution designed for demanding industrial applications. This compact unit, measuring 400mm in width, delivers a robust 560kW power output and 985A current rating, operating at 400V. Its liquid cooling system ensures superior thermal management, enabling sustained high performance and reliability even under extreme operational loads. The SINAMICS S120 platform is renowned for its advanced control capabilities, flexibility, and seamless integration into complex automation systems, making this module a compelling choice for applications requiring precise motion control and significant power.

Product Specifications

| Feature                | Specification                                     |

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

| Product Number         | 6SL3725-1TE41-0MA3                                |

| Product Line           | SINAMICS S120                                     |

| Module Type            | Single Motor Module                               |

| Cooling Method         | Liquid Cooled                                     |

| Width                  | 400 mm                                            |

| Power Output           | 560 kW                                            |

| Continuous Current     | 985 A                                             |

| Voltage                | 400 V                                             |

| Control Type           | Vector Control, Servo Control                     |

| Protection Class       | IP20                                              |

| Communication Interface | PROFINET, PROFIBUS DP                             |

| Operating Temperature  | 0 – 45 °C (with liquid cooling)                   |

Core Features & Market Positioning

The SIEMENS 6SL3725-1TE41-0MA3 SINAMICS S120 module distinguishes itself through its exceptional power density and advanced liquid cooling technology. This design allows for a significantly smaller footprint compared to air-cooled equivalents of similar power, a critical advantage in space-constrained industrial environments. Its superior thermal dissipation capabilities translate directly to increased operational efficiency, reduced risk of thermal shutdown, and extended component lifespan, positioning it as a premium solution for mission-critical applications. The integration with the broader SINAMICS S120 family ensures compatibility and a unified control architecture across diverse drive requirements, offering a scalable and robust platform for modern automation.

Key Application Scenarios

This SIEMENS SINAMICS S120 motor module is engineered for high-performance applications across various industrial sectors. It excels in demanding tasks such as high-speed winding and unwinding machinery in the paper and packaging industries, precise positioning in metal forming and stamping presses, and dynamic control of large pumps and compressors in process automation. Its capability to handle significant power and current makes it ideal for heavy industry, including material handling systems, crane applications, and large-scale manufacturing lines where continuous, reliable operation is paramount. The liquid cooling also makes it suitable for environments with elevated ambient temperatures or where high cycle rates demand superior heat management.

Practical System Integration Guidance

Integrating the SIEMENS 6SL3725-1TE41-0MA3 requires careful consideration of its liquid cooling system and communication interfaces. A closed-loop liquid cooling circuit, typically employing a coolant mixture and a heat exchanger, is essential for optimal performance and longevity. Proper connection to the motor via suitable cabling for high power transfer is crucial, adhering to torque and routing specifications to prevent issues. For communication, seamless integration with Siemens control platforms like SIMATIC PLCs is facilitated via PROFINET or PROFIBUS DP, requiring appropriate network configuration and parameterization within TIA Portal or similar engineering software. Ensuring adequate power supply quality and grounding is fundamental for system stability.

Operation and Risk Mitigation

Safe and efficient operation of the SIEMENS 6SL3725-1TE41-0MA3 SINAMICS S120 module mandates adherence to operational guidelines. Pre-operation checks should include verifying coolant flow and temperature, electrical connections, and motor compatibility. During operation, continuous monitoring of drive status and system parameters via the control interface is recommended. Key risk mitigation strategies involve preventing over-current and over-voltage conditions through appropriate motor and load matching, and ensuring the liquid cooling system operates within specified parameters to avoid thermal overload. Regular maintenance of the cooling circuit, including fluid checks and filter cleaning, is vital to prevent downtime.

Scalability & Long-Term Value

The SINAMICS S120 platform, and by extension the 6SL3725-1TE41-0MA3 module, offers significant scalability and long-term value. Its modular design allows for straightforward expansion and integration with other SINAMICS S120 components, enabling system upgrades and adaptation to evolving production needs without necessitating a complete overhaul. Compatibility with Siemens' comprehensive automation ecosystem, including TIA Portal for engineering and SIMATIC control systems, ensures seamless integration with existing and future digital manufacturing initiatives, IIoT platforms, and advanced analytics for predictive maintenance and operational optimization. This future-proofing underscores the module's robust return on investment.

FAQs

What is the primary benefit of liquid cooling for the SIEMENS 6SL3725-1TE41-0MA3?

Liquid cooling provides superior heat dissipation compared to air cooling. This allows for higher power density and sustained performance under heavy loads.

It also enables a more compact module design, saving valuable space in industrial control cabinets. Furthermore, efficient cooling extends the operational lifespan of the drive components.

How do I connect the SIEMENS 6SL3725-1TE41-0MA3 to a control system?

The module supports PROFINET and PROFIBUS DP for communication. You will need to configure these network interfaces in your PLC programming software.

Ensure proper network cabling, termination, and addressing according to the chosen communication protocol. Refer to the SIEMENS SINAMICS S120 system manual for detailed network setup.

What are common fault codes for the SIEMENS 6SL3725-1TE41-0MA3?

Common faults include overcurrent (e.g., F7400), overvoltage (e.g., F7410), and thermal overload (e.g., F7402). Specific codes will vary based on the exact fault condition.

Consult the SINAMICS S120 fault code list in the technical documentation for detailed explanations and troubleshooting steps. Accurate diagnosis is key to resolving issues quickly.

Can the SIEMENS 6SL3725-1TE41-0MA3 be used with different motor types?

Yes, the SINAMICS S120 platform is designed for flexible motor control, supporting both asynchronous and synchronous motors. Ensure the motor parameters are correctly configured in the drive.

The module's advanced control algorithms allow for optimal performance with various motor technologies. Always verify motor compatibility and specifications against the drive's capabilities.

What is the typical power supply requirement for this module?

The module operates at 400V. It's crucial to ensure a stable and clean power supply meeting the specified voltage and frequency tolerances.

Ensure the incoming power cabling is correctly sized and terminated to handle the high current requirements of the 560kW output. Proper grounding is essential for safety and system integrity.

How does the 400mm width impact installation?

The 400mm width indicates a compact design for its power rating. This allows for denser cabinet layouts.

Care must be taken to ensure adequate clearance for liquid cooling connections and maintenance access around the module. Consult the installation manual for specific mounting and ventilation requirements.

What is the role of TIA Portal in commissioning this drive?

TIA Portal is Siemens' integrated engineering software used for configuring and commissioning SINAMICS drives. It allows for parameter setting, diagnostics, and network integration.

You will use TIA Portal to set up communication, define motor data, configure control modes, and implement safety functions for the 6SL3725-1TE41-0MA3. It provides a unified environment for drive setup.

What kind of coolant is recommended for the liquid cooling system?

Siemens typically recommends a specific mixture of water and an inhibitor to prevent corrosion and maintain optimal thermal conductivity. Always refer to the product manual for the exact coolant specifications.

Using the wrong coolant can lead to system damage, reduced efficiency, and void the warranty. Ensure the coolant is maintained at the correct level and purity.

How do I ensure safety when working with this high-power module?

Always de-energize the drive and confirm zero voltage before performing any electrical work or maintenance. Follow lockout/tagout procedures strictly.

Ensure appropriate personal protective equipment (PPE) is worn, and only qualified personnel should handle electrical connections and system configuration. Adhere to all local safety regulations.

What are the advantages of SINAMICS S120 over older drive technologies?

SINAMICS S120 offers superior control precision, higher energy efficiency, and advanced diagnostics capabilities. Its digital communication interfaces streamline integration with modern automation systems.

The platform's flexibility allows for adaptation to a wide range of applications, from simple speed control to complex multi-axis synchronized motion. It is designed to support Industry 4.0 concepts.