SIEMENS 6SL3725-1TG32-2AA3 SINAMICS S120 Single Motor Module 200kW 215A Liquid Cooled IP21 Cabinet 690V

The SIEMENS 6SL3725-1TG32-2AA3 SINAMICS S120 Single Motor Module represents a high-performance, liquid-cooled drive solution engineered for demanding industrial applications. This 200kW, 215A module operates at 690V and offers exceptional control precision and efficiency, making it a cornerstone for modern automation systems requiring robust motor control. Its liquid-cooled design ensures optimal thermal management, enabling continuous operation under heavy loads and extended service intervals, a critical advantage in environments where heat dissipation is paramount. The SINAMICS S120 platform is renowned for its advanced functionality, seamless integration capabilities, and reliability, positioning the 6SL3725-1TG32-2AA3 as a premier choice for intricate motor control challenges.

Product Specifications

| Parameter             | Value                                |

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

| Product Type          | SINAMICS S120 Single Motor Module    |

| Model Number          | 6SL3725-1TG32-2AA3                   |

| Rated Power           | 200 kW                               |

| Rated Current         | 215 A                                |

| Cooling Method        | Liquid Cooled                        |

| Enclosure Type        | IP21 Cabinet                         |

| Voltage Rating        | 690 V                                |

| Control Type          | Vector Control, Servo Control        |

| Communication         | PROFINET, PROFIBUS (optional)        |

| Protection Features   | Overload, Overvoltage, Undervoltage, Short Circuit |

Core Features & Market Positioning

The SIEMENS 6SL3725-1TG32-2AA3 SINAMICS S120 module stands out due to its advanced vector control capabilities, offering precise speed and torque regulation essential for dynamic applications. Its liquid-cooling system is a significant differentiator, allowing for higher power density and superior thermal performance compared to air-cooled alternatives, which translates to increased uptime and reduced footprint. This module is positioned as a premium solution for industries demanding maximum efficiency, reliability, and sophisticated control, aligning with Siemens' reputation for engineering excellence in industrial automation. The integration within the broader SINAMICS S120 ecosystem facilitates flexible system design and upgrades.

Key Application Scenarios

This SIEMENS 6SL3725-1TG32-2AA3 SINAMICS S120 module is ideally suited for high-power, precision-driven applications across various industrial sectors. Common use cases include complex drives in the metal processing industry, such as rolling mills and extrusion machines, where precise torque and speed control are critical. It is also extensively deployed in the plastics and rubber industry for extruders and injection molding machines, benefiting from its efficient heat management. Furthermore, the module finds application in sophisticated material handling systems, printing presses, and demanding pump and fan control scenarios requiring advanced performance and energy efficiency.

Practical System Integration Guidance

Integrating the SIEMENS 6SL3725-1TG32-2AA3 SINAMICS S120 requires careful consideration of the liquid cooling circuit. Ensure proper connection to a closed-loop cooling system with adequate flow rate and coolant temperature monitoring to maintain optimal operating conditions. For communication, utilize appropriate interface modules and configure PROFINET or PROFIBUS parameters within the SINAMICS Startdrive engineering software to establish seamless data exchange with the PLC. Power connections must adhere to the 690V rating and local electrical codes, with appropriate protective devices installed upstream.

Operation and Risk Mitigation

Safe operation of the SIEMENS 6SL3725-1TG32-2AA3 SINAMICS S120 module necessitates strict adherence to safety protocols, including proper grounding and emergency stop procedures. Monitor coolant temperature and flow continuously to prevent overheating, which can lead to component damage and operational failure. Common fault codes relate to thermal overload (F30000 series) or communication errors; consult the SINAMICS S120 system manual for specific troubleshooting steps and parameter adjustments to mitigate these risks. Regular maintenance of the cooling system, including coolant checks and filter replacements, is crucial for long-term reliability.

Scalability & Long-Term Value

The SINAMICS S120 platform, including the 6SL3725-1TG32-2AA3 module, offers significant scalability and long-term value. Its modular design allows for easy expansion and adaptation to evolving production requirements by integrating additional motor modules or control units. Compatibility with Siemens' broader automation portfolio, including PLCs and HMIs, ensures seamless integration into existing or new industrial control systems. The module's support for advanced communication protocols also facilitates its incorporation into Industrial Internet of Things (IIoT) frameworks, enabling enhanced diagnostics, predictive maintenance, and optimized operational efficiency.

FAQs

1. What are the primary benefits of the liquid-cooled design in the SIEMENS 6SL3725-1TG32-2AA3?

The liquid-cooled design enables superior heat dissipation, allowing for higher power density and continuous operation under extreme loads. This enhanced thermal management reduces the risk of overheating, leading to increased equipment reliability and uptime. It also permits a more compact cabinet design compared to air-cooled equivalents.

2. How does the SINAMICS S120 platform support system integration and future upgrades?

The SINAMICS S120 platform is built for modularity, allowing seamless integration with other Siemens automation components and easy expansion. Its compatibility with standard communication protocols like PROFINET facilitates network integration. This inherent flexibility ensures straightforward system upgrades and adaptation to evolving industrial needs.

3. What specific industries or applications would most benefit from the SIEMENS 6SL3725-1TG32-2AA3?

This module excels in high-performance applications demanding precise motor control, such as metal processing, plastics extrusion, and advanced material handling. Industries requiring robust and reliable operation under heavy duty cycles and demanding thermal conditions will find its capabilities invaluable. It is ideal for complex drive trains.

4. What are the key technical specifications of the SIEMENS 6SL3725-1TG32-2AA3?

This SINAMICS S120 module is a single motor unit rated for 200kW and 215A at 690V. It features an IP21 cabinet enclosure and utilizes liquid cooling for thermal management. Advanced control capabilities like vector control are also core technical features.

5. What safety precautions are essential when operating the SIEMENS 6SL3725-1TG32-2AA3?

Proper grounding and adherence to electrical safety codes are paramount. Continuous monitoring of the liquid cooling system's temperature and flow rate is crucial to prevent operational failures. Always follow established emergency stop procedures for safe shutdown.

6. How can I integrate the SIEMENS 6SL3725-1TG32-2AA3 into an existing PROFINET network?

Utilize the module's integrated PROFINET interface or an optional communication module. Configure the network parameters and device address using the SINAMICS Startdrive software to ensure proper communication with the PLC and other network devices.

7. What are common troubleshooting issues for the SIEMENS 6SL3725-1TG32-2AA3?

Common issues include thermal overload faults due to inadequate cooling or excessive load. Communication errors can also occur if network parameters are incorrectly configured. Referencing the SINAMICS S120 system manual is vital for diagnosing specific fault codes.

8. Does the SIEMENS 6SL3725-1TG32-2AA3 support advanced control modes beyond basic speed control?

Yes, the SINAMICS S120 platform, including this module, supports advanced control modes such as precise vector control and servo control. These modes enable highly accurate speed, torque, and position regulation for demanding automation tasks.

9. What is the expected lifespan and maintenance schedule for this liquid-cooled motor module?

With proper installation and regular maintenance of the cooling system, the module is designed for a long operational lifespan. Key maintenance involves checking coolant levels and quality, ensuring filter integrity, and periodic inspection of connections.

10. How does the 690V operating voltage benefit industrial applications?

The higher 690V operating voltage allows for more efficient power transmission, particularly for high-power motors. This can lead to reduced current draw, smaller cable sizes, and lower energy losses, contributing to overall system efficiency and cost savings.