SIEMENS 6SL3210-1PC31-1UL0 22kW/30kW G120 Power Module Unfiltered (Frame Size FSE, 240V)

The Siemens 6SL3210-1PC31-1UL0 is a robust, unfiltered 22kW/30kW SINAMICS G120 Power Module designed for demanding industrial applications. This power module offers significant advantages, including high power density, energy efficiency, and superior control performance. Key technical parameters include its input voltage range of 380-480V AC, output voltage of 400V AC, and a power rating of 22kW nominal and 30kW maximum. Its Frame Size FSE ensures a compact footprint while accommodating its powerful capabilities.

Product Specifications

| Parameter             | Value                                 |

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

| Product Type          | SINAMICS G120 Power Module            |

| Part Number           | 6SL3210-1PC31-1UL0                    |

| Rated Power (kW)      | 22 (nominal) / 30 (maximum)           |

| Frame Size            | FSE                                   |

| Input Voltage (V AC)  | 380 - 480 (3-phase)                   |

| Output Voltage (V AC) | 400                                   |

| Filter                | Unfiltered                            |

| Protection Rating     | IP20                                  |

| Dimensions (H x W x D) | 453mm x 250mm x 237mm                 |

| Weight (kg)           | Approximately 15.7                    |

| Ambient Temp. Range   | -20°C to +50°C (derating may apply) |

| Communications        | USS, Modbus RTU, PROFIBUS DP, PROFINET |

Core Features & Market Positioning

The Siemens 6SL3210-1PC31-1UL0 stands out in the market due to its advanced control algorithms, which enable precise speed and torque regulation for a wide range of motor types, including asynchronous and synchronous motors. Its unfiltered design contributes to a more compact and cost-effective solution for applications where harmonic distortion is managed downstream or is not a critical concern. This power module is a cornerstone of Siemens' SINAMICS G120 platform, known for its modularity and flexibility, allowing engineers to tailor drive solutions to specific needs. Its robust construction and high reliability position it as a preferred choice for critical industrial processes.

Key Application Scenarios

This unfiltered power module is ideally suited for variable speed drive applications across various industries. It excels in high-power motor control for pumps, fans, compressors, and conveyors in manufacturing, water treatment, and material handling. The 22kW/30kW rating makes it a potent solution for heavy-duty machinery where continuous operation and dynamic performance are paramount. Its compatibility with different communication protocols facilitates seamless integration into complex automation systems, from standalone setups to large-scale plant-wide networks.

Practical System Integration Guidance

Integrating the Siemens 6SL3210-1PC31-1UL0 into an industrial control system requires careful attention to power supply connections, motor wiring, and control signal interfacing. Ensure the power supply conforms to the 380-480V AC range and the correct phase configuration. Motor connections should be made using appropriately rated cables to prevent overheating and ensure signal integrity. For advanced control and communication, connect the relevant interface modules (e.g., CU240E-2, CU250D-2) via the designated slots. Basic parameterization for motor data and control modes can often be performed directly via the Basic Operator Panel (BOP) or Advanced Operator Panel (AOP), with more complex configurations facilitated by Siemens' STARTER or TIA Portal software.

Operation and Risk Mitigation

Safe operation of the 6SL3210-1PC31-1UL0 necessitates adherence to electrical safety standards and proper installation. Always ensure the drive is de-energized before performing any wiring or maintenance. The IP20 protection rating means it must be installed in an enclosure to prevent contact with live parts and protect against dust and moisture ingress. Key fault codes, such as F0001 (Overcurrent) or F0003 (Overtemperature), often indicate issues with motor load, cabling, or ambient conditions. Referencing the SINAMICS G120 control unit manual for specific fault code interpretations and troubleshooting steps is crucial for minimizing downtime and preventing equipment damage.

Scalability & Long-Term Value

The SINAMICS G120 platform's inherent modularity offers significant scalability and long-term value. The 6SL3210-1PC31-1UL0 power module can be paired with various control units (CU) to adapt to evolving application requirements or to implement advanced functionalities like safety integrated functions. Its compatibility with industry-standard communication networks, including PROFINET and PROFIBUS, ensures it can be readily integrated into modern Industrial IoT (IIoT) architectures and digitalized automation strategies. This future-proof design allows for system upgrades and expansions without requiring a complete overhaul of the drive infrastructure.

Frequently Asked Questions (FAQs)

What is the voltage range for the Siemens 6SL3210-1PC31-1UL0?

This power module operates on a 3-phase AC input voltage ranging from 380V to 480V.

The nominal output voltage is 400V AC, suitable for many industrial motor applications.

Always ensure your power source is within these specified parameters for safe and optimal performance.

Can this G120 power module be used with any motor?

The 6SL3210-1PC31-1UL0 is designed for asynchronous and synchronous motors.

Accurate motor data must be parameterized in the control unit for correct operation.

Refer to the Siemens SINAMICS G120 documentation for detailed motor compatibility and parameterization.

What does "unfiltered" mean for this power module?

An unfiltered module lacks integrated line filters to suppress harmonics.

This design is often more compact and cost-effective for certain installations.

Harmonic mitigation strategies should be implemented elsewhere if required by grid codes.

How do I connect the Siemens 6SL3210-1PC31-1UL0?

Power and motor connections must be made using correctly rated cables.

Control signals are wired to the associated SINAMICS G120 control unit.

Always follow wiring diagrams and safety instructions from the user manual.

What is the power rating of the 6SL3210-1PC31-1UL0?

It has a nominal power rating of 22kW.

The maximum continuous power rating is 30kW.

This makes it suitable for demanding, high-power motor applications.

Is this power module suitable for harsh environments?

The IP20 protection rating requires installation within a protected enclosure.

It is designed for industrial environments but not for direct exposure to dust or moisture.

Proper environmental shielding is essential for longevity and safety.

What are the communication options for this SINAMICS G120 module?

It supports USS, Modbus RTU, PROFIBUS DP, and PROFINET protocols.

This wide range of options allows flexible integration into various automation networks.

Ensure the correct communication interface module is used with the power module.

How do I troubleshoot common faults with this drive?

Consult the SINAMICS G120 control unit manual for specific fault codes.

Common issues include overcurrent, overtemperature, and phase loss.

Verify motor connections, load, and ambient conditions when troubleshooting.

What is the frame size of the Siemens 6SL3210-1PC31-1UL0?

This power module is designated as Frame Size FSE.

Frame size indicates the physical dimensions and power handling capability.

FSE is a mid-to-large frame size within the SINAMICS G120 series.

What are the advantages of the SINAMICS G120 platform?

Modularity and flexibility are key advantages.

It offers advanced control features and robust performance.

Compatibility with IIoT and digital solutions provides long-term value.