SIEMENS 6SL3210-1PB21-8AL0 3kW HO G120 Power Module with Built-in Class A Filter (FSC, 240V)

The SIEMENS 6SL3210-1PB21-8AL0 is a high-performance 3kW G120 Power Module engineered for demanding industrial applications. This module distinguishes itself with an integrated Class A filter, operating at 240V and offering significant advantages in power control and system efficiency. Its robust design and advanced features position it as a leading solution for variable speed drive applications requiring precise motor control and electromagnetic compatibility.

Product Specifications

| Parameter           | Value                                     |

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

| Manufacturer        | Siemens                                   |

| Product Number      | 6SL3210-1PB21-8AL0                        |

| Power Rating        | 3 kW                                      |

| Voltage             | 240 V (Nominal)                           |

| Topology            | SINAMICS G120 Power Module                |

| Filter              | Built-in Class A EMC Filter               |

| Frame Size          | G120 HO (High Output)                     |

| Protection Class    | IP20                                      |

| Ambient Temperature | -20°C to +50°C (derating may apply)       |

| Communication Interface | Various (depends on Control Unit)         |

| Approvals           | CE, UL, cUL                               |

Core Features & Market Positioning

The SIEMENS 6SL3210-1PB21-8AL0 excels due to its integrated Class A filter, a critical component for reducing electromagnetic interference (EMI) and ensuring compliance with stringent industrial standards. This feature simplifies system design by eliminating the need for external filters in many setups, thus reducing installation complexity and overall cost. As part of the renowned SINAMICS G120 series, this power module leverages Siemens' extensive expertise in automation technology, offering a reliable and scalable platform. Its HO (High Output) frame size signifies its capability to handle higher power outputs efficiently, making it suitable for dynamic motor applications. The module's positioning is firmly within the industrial automation sector, targeting applications where robust performance, energy efficiency, and electromagnetic compatibility are paramount.

Key Application Scenarios

This Siemens power module is ideally suited for a wide array of industrial automation tasks, including pump and fan control where precise speed regulation is essential for energy savings and operational stability. It finds extensive use in material handling systems, such as conveyor belts and automated guided vehicles (AGVs), requiring dynamic acceleration and deceleration capabilities. Packaging machinery, textile manufacturing equipment, and general-purpose machine tools also benefit from its reliable performance and integrated safety features. The 240V rating makes it particularly adaptable for installations within standard industrial power grids.

Practical System Integration Guidance

Integrating the SIEMENS 6SL3210-1PB21-8AL0 requires careful attention to power connections, control unit pairing, and safety protocols. The module connects to a compatible SINAMICS G120 Control Unit (e.g., CU240, CU250) which handles the logic and communication. Power connections should be made to the designated terminals, ensuring correct phasing and grounding as per the installation manual. The integrated Class A filter is designed for direct connection to the mains supply. For optimal performance and safety, ensure the ambient temperature remains within the specified operating range and that adequate ventilation is provided. Wiring must adhere to local electrical codes and standards.

Operation and Risk Mitigation

Safe operation of the SIEMENS 6SL3210-1PB21-8AL0 relies on adherence to installation guidelines and proper commissioning. Before powering up, verify all connections and ensure the control unit is correctly configured for the connected power module and motor. The module incorporates internal protection mechanisms against overcurrent, overvoltage, and undervoltage. Common fault codes, often displayed on the associated control unit or HMI, relate to motor issues, communication errors, or power supply deviations. It is critical to consult the SINAMICS G120 operating manual for specific troubleshooting steps related to any generated fault codes to prevent equipment damage and ensure personnel safety.

Scalability & Long-Term Value

The SINAMICS G120 platform, including the 6SL3210-1PB21-8AL0 power module, offers significant scalability and long-term value. Its modular design allows for easy upgrades or replacements of control units to incorporate advanced functionalities or communication protocols as industrial automation evolves towards Industry 4.0. Compatibility with a broad range of Siemens automation components and a wide selection of compatible motors ensures flexibility in system design and expansion. Integration with higher-level control systems, SCADA, and IIoT platforms is facilitated through various communication interfaces available on the control units, enabling data-driven insights and predictive maintenance strategies.

FAQs

1. What is the primary function of the SIEMENS 6SL3210-1PB21-8AL0?

This module serves as a power stage for variable speed drives.

It enables precise control over motor speed and torque.

It is designed to efficiently deliver power to the motor from the mains supply.

2. How does the built-in Class A filter benefit my application?

It suppresses electromagnetic interference (EMI).

This reduces the need for external filter components.

Compliance with industrial EMC standards is simplified.

3. What types of motors can be controlled by this module?

It is primarily designed for standard asynchronous motors.

It can also control permanent magnet synchronous motors (PMSM) with the right control unit.

Ensure motor ratings are compatible with the 3kW power output.

4. Is this power module suitable for harsh industrial environments?

The module itself has an IP20 protection rating.

External protection, like enclosures, is needed for dust or moisture.

Operating temperature limits must be respected for longevity.

5. What is the voltage rating for the SIEMENS 6SL3210-1PB21-8AL0?

The module is rated for a 240V nominal input voltage.

It is designed to operate within typical industrial single-phase or three-phase mains.

Always verify mains voltage compatibility before installation.

6. How is the SIEMENS 6SL3210-1PB21-8AL0 commissioned?

Commissioning requires pairing with a SINAMICS G120 control unit.

Parameter settings in the control unit must be configured for the motor.

A step-by-step wizard in the control unit software simplifies setup.

7. What are the advantages of the G120 HO frame size?

HO frame sizes are optimized for higher power outputs.

They offer efficient heat dissipation for demanding tasks.

This indicates a robust design capable of handling significant load.

8. Can this module be integrated into existing Siemens automation systems?

Yes, it is a core component of the SINAMICS G120 drive family.

It communicates with various Siemens PLCs and HMI panels.

Its modularity aids in seamless system expansion.

9. What safety features are included in this power module?

It has integrated electronic overload protection.

Overvoltage and undervoltage monitoring are standard.

Emergency stop functions are managed by the control unit.

10. Where can I find detailed technical documentation for the 6SL3210-1PB21-8AL0?

Refer to the official Siemens SINAMICS G120 documentation.

Product manuals and technical data sheets are available online.

The Siemens support portal provides extensive resources.