SIEMENS 6SL3335-1TG37-3AA3 SINAMICS S120 Basic Line Module 630kW Liquid Cooled System 730A DC Output for 690V Systems

The SIEMENS 6SL3335-1TG37-3AA3 SINAMICS S120 Basic Line Module stands as a robust solution for high-power industrial drives, delivering a 630kW output with a 730A DC output specifically designed for 690V systems. Its liquid-cooled design ensures superior thermal management, enabling continuous high-performance operation even under demanding industrial conditions. This advanced line module is engineered for precision control, energy efficiency, and seamless integration into complex automation architectures, offering a significant competitive edge in process optimization and operational reliability for a wide array of industrial applications.

Product Specifications

| Feature             | Specification                                     |

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

| Product Number      | 6SL3335-1TG37-3AA3                                |

| Product Family      | SINAMICS S120 Basic Line Module                   |

| Rated Power Output  | 630 kW                                            |

| DC Output Current   | 730 A                                             |

| System Voltage      | 690 V                                             |

| Cooling Method      | Liquid Cooled                                     |

| Control Type        | Advanced Control (Vector, Servo)                  |

| Protection Rating   | IP20 (typically, depends on enclosure)            |

| Dimensions (H x W x D)| Varies based on specific frame size and options |

| Ambient Temperature | Varies based on cooling system and enclosure      |

Core Features & Market Positioning

The SINAMICS S120 platform, and specifically the 6SL3335-1TG37-3AA3, is positioned as a premium industrial drive solution, distinguished by its exceptional power density and advanced control capabilities. The liquid-cooled design is a critical differentiator, allowing for significantly smaller footprints and higher efficiency compared to air-cooled equivalents, especially at this power level. This advanced thermal management system is crucial for applications requiring sustained high torque and speed, minimizing derating and maximizing uptime. The integration of sophisticated control algorithms, such as advanced vector control and servo control, provides unparalleled precision and dynamic response, essential for complex machinery and automated processes. Siemens' reputation for reliability and robust engineering further solidifies its market position as a leader in high-performance industrial automation.

Key Application Scenarios

This SIEMENS 6SL3335-1TG37-3AA3 SINAMICS S120 Basic Line Module is ideally suited for heavy-duty industrial applications demanding high power and precise control. Common scenarios include large-scale pump and fan drives in process industries like water treatment, oil and gas, and power generation, where variable speed operation leads to significant energy savings and process optimization. It is also extensively used in complex material handling systems, such as large conveyor belts and crane systems, requiring smooth acceleration and deceleration with high torque capabilities. Furthermore, its precise control makes it a prime candidate for demanding machine tool applications, including large CNC machines and metal forming equipment, where accuracy and repeatability are paramount.

Practical System Integration Guidance

Integrating the SIEMENS 6SL3335-1TG37-3AA3 requires careful planning, particularly concerning the liquid cooling system and the high-power electrical connections. A dedicated, closed-loop liquid cooling system with appropriate heat exchangers and circulation pumps is mandatory for optimal performance and longevity; failure to implement a robust cooling solution will lead to thermal issues and potential component damage. Electrical installation involves high-voltage cabling and grounding in accordance with local regulations and Siemens' guidelines. For programming and commissioning, the Siemens TIA Portal software suite is essential, providing tools for parameterization, diagnostic analysis, and integration with higher-level control systems like SIMATIC PLCs. Ensuring proper shielding of motor and encoder cables is critical to prevent electromagnetic interference, especially in noisy industrial environments.

Operation and Risk Mitigation

Safe and efficient operation of the SINAMICS S120 Basic Line Module hinges on adherence to operating procedures and proactive risk mitigation. Regular monitoring of coolant temperature, flow rate, and pressure is paramount to ensure the liquid cooling system functions within specified parameters. The module's internal diagnostics provide critical fault codes; for instance, "F7801" often indicates a problem with the cooling system, requiring immediate inspection. Overcurrent protection, overvoltage, and undervoltage faults are managed through internal settings but necessitate correct parameterization to prevent motor or drive damage. Always ensure proper lockout/tagout procedures are followed during maintenance and that personnel are trained on the specific hazards associated with high-voltage industrial drives.

Scalability & Long-Term Value

The SINAMICS S120 platform offers significant scalability and long-term value, primarily through its modular design and Siemens' commitment to backward and forward compatibility. The 6SL3335-1TG37-3AA3 can be integrated into larger SINAMICS S120 systems, allowing for expansion of drive capabilities as production demands increase. It is designed to seamlessly interface with modern Industrial Internet of Things (IIoT) ecosystems, enabling advanced data acquisition for predictive maintenance and performance analytics when connected to platforms like Siemens' MindSphere. This integration capability ensures that investments in these drives contribute to a facility's overall digital transformation strategy, providing a future-proof solution that adapts to evolving industrial automation standards and requirements.

Frequently Asked Questions

What is the primary function of the SIEMENS 6SL3335-1TG37-3AA3?

This line module serves as a central component in high-power motor drive systems. It conditions incoming power and provides a stable DC bus voltage for connected infeed and motor modules. Its role is critical for precise speed and torque control in demanding industrial machinery.

Its advanced design ensures efficient energy conversion, reducing operational costs. The module's robust construction guarantees reliability in harsh industrial environments.

The 630kW power rating and 730A DC output are key indicators of its capacity for heavy-duty applications. It is engineered for integration into 690V systems, offering substantial power delivery.

How does the liquid cooling system benefit this drive?

Liquid cooling provides superior thermal management compared to air cooling. It allows for higher power density and continuous operation without significant derating. This leads to more compact drive solutions.

The efficient heat dissipation minimizes component stress, extending the operational lifespan of the drive. It is essential for maintaining peak performance in high-demand applications.

Reduced ambient temperature sensitivity also allows for more flexible installation in various environmental conditions. It ensures stable operation even in hot industrial settings.

What are the main industries that utilize the SINAMICS S120 Basic Line Module 630kW?

This module is extensively used in heavy industries such as oil and gas, mining, and metallurgy. It powers large pumps, compressors, and extruders in these sectors. Its high power and reliability are essential for continuous operation.

The manufacturing sector also benefits greatly, especially in areas like paper and pulp production and textile manufacturing. It drives large rollers, mixers, and large conveyor systems with precision.

Additionally, it finds applications in renewable energy, such as wind turbine pitch control systems, and in water and wastewater treatment plants for large circulation pumps. Its versatility supports a wide range of high-power needs.

What technical specifications are most critical for system designers?

Key specifications include the 630kW rated power output and 730A DC output current. The 690V system voltage dictates the compatible power supply infrastructure. The liquid cooling feature is paramount for thermal design.

Understanding the module's protection ratings and environmental operating limits is vital for safe and reliable installation. Input voltage tolerance and frequency range are also important considerations.

The control modes supported (e.g., vector, servo) and communication interfaces available (e.g., PROFINET, PROFIBUS) are crucial for system integration and automation strategy. These define its functional capabilities.

What are common troubleshooting issues with this product?

Common issues often relate to the cooling system, such as low coolant flow, leaks, or incorrect coolant temperature. These can trigger thermal overload faults. Regular inspection of the cooling circuit is crucial.

Electrical faults, including overvoltage, undervoltage, or ground faults, can occur due to power supply instability or wiring problems. Proper grounding and surge protection are vital.

Communication errors with the control system or motor feedback devices can also arise. Ensuring correct cabling and parameterization of communication interfaces is essential for seamless operation.