SIEMENS 6SL3335-1TG34-2AA3 SINAMICS S120 Basic Line Module 355kW for 690V Systems Liquid Cooled 420A

The SIEMENS 6SL3335-1TG34-2AA3 SINAMICS S120 Basic Line Module is a high-performance component engineered for demanding 690V industrial systems. This liquid-cooled 420A unit offers robust power conversion, exceptional thermal management, and seamless integration within sophisticated automation architectures. Its advanced control capabilities and inherent reliability position it as a critical element for applications requiring precise motor control and high energy efficiency. The 355kW power rating underscores its suitability for heavy-duty industrial machinery.

Product Specifications

| Feature                   | Specification                                        |

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

| Product Type              | SINAMICS S120 Basic Line Module                      |

| Model Number              | 6SL3335-1TG34-2AA3                                   |

| Rated Power               | 355 kW                                               |

| System Voltage            | 690 V                                                |

| Rated Current             | 420 A                                                |

| Cooling Type              | Liquid Cooled                                        |

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

| Communication Interface   | PROFIBUS DP, PROFINET IO (depending on configuration) |

| Control Type              | Vector Control, Servo Control                        |

| Ambient Temperature Range | -20°C to +45°C (derating may apply)                   |

Core Features & Market Positioning

The SIEMENS 6SL3335-1TG34-2AA3 distinguishes itself through its advanced liquid cooling system, enabling sustained high-power operation and a compact footprint compared to air-cooled alternatives. This superior thermal management is crucial for reducing operational costs and extending the lifespan of the drive system, a key differentiator in competitive industrial environments. Its integration within the SINAMICS S120 platform ensures compatibility with a wide range of Siemens automation solutions, offering a unified and scalable approach to motor control. The module's robust design and Siemens' reputation for industrial reliability position it as a premium choice for mission-critical applications where performance and uptime are paramount.

Key Application Scenarios

This SIEMENS 6SL3335-1TG34-2AA3 SINAMICS S120 Basic Line Module is ideally suited for high-power industrial drives, including those found in heavy manufacturing, chemical processing, and advanced material handling systems. Its 690V capability makes it a perfect fit for applications requiring substantial torque and speed control, such as large pumps, compressors, extruders, and heavy-duty conveyors. The liquid-cooled design is particularly advantageous in environments with limited airflow or elevated ambient temperatures, ensuring consistent performance in demanding conditions. Industries that rely on precise, dynamic motor control for continuous production processes will find this module to be a highly capable solution.

Practical System Integration Guidance

Integrating the SIEMENS 6SL3335-1TG34-2AA3 requires careful attention to its liquid cooling circuit, ensuring proper connection to a suitable coolant loop with appropriate flow rates and temperature control. Electrical connections must adhere strictly to the voltage and current ratings, utilizing high-quality cables and connectors designed for industrial environments. Commissioning typically involves configuration via Siemens' SIMOTION or SINAMICS Startdrive software, where parameters such as motor data, control modes, and safety functions are set. For seamless communication, ensuring correct PROFIBUS or PROFINET network setup, including correct addressing and termination, is essential.

Operation and Risk Mitigation

Safe operation of the SIEMENS 6SL3335-1TG34-2AA3 necessitates adherence to all electrical safety standards and the use of appropriate personal protective equipment (PPE) during installation and maintenance. Regular monitoring of the liquid cooling system's performance, including coolant levels and temperature, is critical to prevent overheating and potential component damage. Common operational risks include improper parameterization, which can lead to motor instability or overload conditions; therefore, thorough testing and validation are recommended before full operational deployment. Familiarity with fault codes displayed on the operator panel or within the diagnostic software is crucial for prompt troubleshooting and minimizing downtime.

Scalability & Long-Term Value

The SINAMICS S120 platform, including the 6SL3335-1TG34-2AA3 module, offers significant scalability, allowing for expansion of motor control capabilities by adding further line modules or drive units as production demands evolve. Its compatibility with a broad spectrum of Siemens automation components and its support for industry-standard communication protocols ensure seamless integration into existing or future IIoT and Industry 4.0 initiatives. This inherent flexibility and long-term support from Siemens translate into a robust investment, providing a reliable foundation for future automation upgrades and system enhancements.

FAQs

What are the primary benefits of liquid cooling for the SIEMENS 6SL3335-1TG34-2AA3?

Liquid cooling offers superior heat dissipation compared to air cooling. This allows for higher power density and more compact drive designs.

It also leads to improved thermal stability, extending the operational life of the drive components. Reduced noise levels are also a common benefit.

How do I connect the SIEMENS 6SL3335-1TG34-2AA3 to a 690V system?

Ensure the power supply is isolated and all safety procedures are followed. Connect the main power cables to the designated terminals, observing correct phasing.

Consult the official Siemens documentation for precise wiring diagrams and torque specifications. Use appropriately rated cables for the 420A current.

What programming software is typically used for the SINAMICS S120 6SL3335-1TG34-2AA3?

Siemens SIMOTION SCOUT or SINAMICS Startdrive software are commonly used. These platforms allow for comprehensive parameterization and diagnostics.

They facilitate the configuration of motor data, control modes, and communication settings. Online monitoring and firmware updates are also managed through this software.

Can the SIEMENS 6SL3335-1TG34-2AA3 be used in dusty or humid environments?

While the module itself typically has an IP20 rating, its enclosure and the overall system design dictate environmental suitability. Liquid cooling systems can sometimes help manage internal humidity.

Careful selection of an appropriate enclosure and sealing is crucial for harsh environments. The cooling circuit must also be protected from contaminants.

What are common fault codes associated with SINAMICS S120 line modules?

Common codes relate to overcurrent, overvoltage, undervoltage, and thermal warnings. Specific codes like F78xx or F0xxxx indicate line module faults.

Always refer to the SINAMICS S120 alarm and fault code list for detailed explanations and troubleshooting steps. Proper diagnostics via software are key.

How does the 355kW rating impact application selection for this module?

The 355kW rating signifies its capacity to drive very large and demanding machinery. It's suitable for applications requiring significant continuous power output.

This power level is ideal for industrial fans, large pumps, crushers, or heavy extruders. It ensures ample capacity for high-torque, high-speed operations.

What are the advantages of PROFINET or PROFIBUS integration with this module?

These industrial Ethernet and fieldbus protocols enable seamless communication with PLCs and other automation devices. They allow for real-time data exchange and diagnostics.

Integration simplifies network architecture and reduces complex wiring, leading to more efficient system design. It's crucial for modern automation concepts.

How do I manage the liquid cooling system for the SIEMENS 6SL3335-1TG34-2AA3?

Regularly check coolant levels and quality. Monitor the coolant temperature to ensure it remains within the specified operating range.

Ensure the coolant pump is functioning correctly and that there are no leaks in the system. Use only approved coolant fluids.

What safety features are integrated into the SINAMICS S120 platform?

The SINAMICS S120 platform supports integrated safety functions like Safe Torque Off (STO). This provides essential protection against unexpected machine startup.

Other safety features can include Safe Stop 1 (SS1) and Safely Limited Speed (SLS), depending on the drive's configuration and safety integrated functions. Always verify implemented safety functions.

Is the SIEMENS 6SL3335-1TG34-2AA3 compatible with older Siemens motor control systems?

While SINAMICS S120 is a modern platform, compatibility with older systems often depends on communication interfaces and voltage levels. Upgrades may require additional interface modules or gateways.

For full compatibility, it's best to consult Siemens' technical documentation or a Siemens automation specialist. The goal is seamless integration into the existing infrastructure.