Siemens 6SL3210-1KE28-4UF1 G120 Inverter Frequency Converter 83A 45kW

The Siemens 6SL3210-1KE28-4UF1 G120 inverter frequency converter is a robust and high-performance drive solution designed for demanding industrial applications. This unit excels in precise motor control, energy efficiency, and seamless integration into complex automation systems. Its key advantages include superior torque control, advanced diagnostics, and a modular design for flexibility. The G120 inverter boasts a power rating of 45kW, an output current of 83A, and operates on a 400V-480V input voltage, making it suitable for a wide range of heavy-duty machinery and processes.

Siemens 6SL3210-1KE28-4UF1 G120 Inverter: Product Specifications

| Parameter          | Specification                               |

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

| Model Number       | 6SL3210-1KE28-4UF1                          |

| Product Type       | SINAMIC G120 Inverter                       |

| Rated Power (kW)   | 45                                          |

| Rated Output Current (A) | 83                                          |

| Input Voltage (V)  | 400-480 (3-phase)                           |

| Output Voltage (V) | 0-480 (3-phase)                             |

| Frequency Range (Hz) | 0 to 599                                    |

| Protection Class   | IP20                                        |

| Dimensions (H x W x D mm) | 630 x 270 x 290                             |

| Weight (kg)        | Approximately 30                            |

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

| Communication Interfaces | PROFINET, PROFIBUS DP (optional modules)    |

Core Features & Market Positioning

The Siemens SINAMIC G120 series, represented by the 6SL3210-1KE28-4UF1, is positioned as a premium, high-performance variable frequency drive (VFD) for sophisticated industrial automation. Its market strength lies in its advanced control algorithms, enabling precise speed and torque regulation critical for applications like material handling, pump control, and fan management. The modular design, featuring separate Control Units (CU) and Power Modules (PM), offers unparalleled flexibility for system design and maintenance, setting it apart from more integrated, less adaptable VFDs. The unit's inherent energy-saving capabilities through optimized motor operation further enhance its value proposition in environments focused on operational efficiency and cost reduction.

Key Application Scenarios

The Siemens 6SL3210-1KE28-4UF1 G120 inverter finds extensive use in sectors requiring precise and efficient motor control. This includes heavy-duty pump and fan applications in water treatment plants and HVAC systems, where variable speed operation significantly reduces energy consumption. In the manufacturing industry, it is ideal for conveyor systems, extruders, and mixers, ensuring consistent product quality through exact speed and torque adjustments. Furthermore, its robust design and communication capabilities make it a suitable choice for complex material handling equipment and process control loops in chemical processing and mining operations.

Practical System Integration Guidance

Integrating the Siemens 6SL3210-1KE28-4UF1 involves careful consideration of power and control wiring. The power module connects to the mains supply and the motor, while the Control Unit manages parameters and communication. Ensure correct phase sequencing and grounding for safety and optimal performance. Commissioning typically requires parameterization via a local operator panel (LOP) or a connected PC using Siemens' STARTER software. Key parameters include motor data (nominal voltage, current, frequency, power), control mode (V/f, vector control), and communication settings if using fieldbus modules. Proper ventilation and adherence to ambient temperature limits are crucial for longevity.

Operation and Risk Mitigation

Safe operation of the Siemens 6SL3210-1KE28-4UF1 G120 inverter mandates strict adherence to electrical safety standards and the device's operating manual. Always ensure the unit is de-energized before performing any wiring or maintenance. Implement proper grounding and use appropriate surge protection to mitigate electrical risks. Common operational issues, such as motor overheating or inconsistent speed, can often be resolved by recalibrating motor parameters, checking load conditions, or verifying control loop settings. Critical error codes, indicated on the control unit's display, should be cross-referenced with the Siemens documentation for accurate diagnosis and corrective action.

Scalability & Long-Term Value

The Siemens 6SL3210-1KE28-4UF1 G120 inverter offers significant scalability and long-term value, primarily through its modular architecture and compatibility with Siemens' broader automation ecosystem. The ability to swap out Control Units or Power Modules allows for easy upgrades or replacements, extending the product's lifespan and adapting it to evolving application needs without replacing the entire drive. Integration with Siemens' SIMATIC PLCs and the wider Industrial Internet of Things (IIoT) landscape is facilitated through optional communication modules supporting protocols like PROFINET and PROFIBUS, enabling advanced diagnostics, remote monitoring, and predictive maintenance strategies for enhanced operational efficiency and reduced downtime.

Frequently Asked Questions (FAQs)

What is the typical input voltage range for the Siemens 6SL3210-1KE28-4UF1?

The Siemens 6SL3210-1KE28-4UF1 operates on a 3-phase input voltage range of 400V to 480V. This wide range ensures compatibility with various industrial power grids. It is crucial to match the inverter's input voltage to the available power supply to prevent damage.

This specification makes it suitable for many global industrial power configurations. Proper power supply connection is vital for safe and reliable operation of the G120 inverter.

How do I connect a motor to the Siemens G120 6SL3210-1KE28-4UF1?

Connect the motor's three phases to the designated output terminals (U, V, W) on the inverter's power module. Ensure proper motor cable shielding and grounding. Follow wiring diagrams precisely to avoid damage.

Always disconnect power before making any connections. Use appropriately sized cables rated for the motor's current and the inverter's output. Double-check all connections for tightness.

What are the key benefits of using the Siemens 6SL3210-1KE28-4UF1 for my application?

This inverter offers precise motor control, high energy efficiency, and robust performance. Its modular design allows for flexible customization and easy maintenance. The advanced diagnostics capabilities also contribute to reduced downtime.

The Siemens G120 provides excellent torque control, essential for applications requiring dynamic response. Its integrated safety functions enhance operational security in industrial environments. It is a reliable choice for demanding industrial motor control tasks.

Can the Siemens 6SL3210-1KE28-4UF1 be integrated with PROFINET networks?

Yes, the Siemens 6SL3210-1KE28-4UF1 can be integrated with PROFINET networks by using an optional communication module. This allows for seamless integration into Siemens' automation solutions. This enables efficient data exchange and remote control capabilities.

With a PROFINET module, you can achieve high-speed communication for complex automation tasks. This is crucial for modern industrial control systems requiring real-time data.

What is the rated power and output current of the Siemens 6SL3210-1KE28-4UF1?

The inverter is rated for 45kW of power and delivers an output current of 83A. This capacity is suitable for driving large industrial motors. It can handle significant load demands effectively.

This high power and current rating makes the 6SL3210-1KE28-4UF1 ideal for heavy-duty applications. It ensures reliable operation even under strenuous conditions. Ensure your motor's specifications are within these limits.

What are common troubleshooting steps for the Siemens G120 inverter?

Check error codes on the display and consult the manual for diagnosis. Verify motor parameters, wiring integrity, and load conditions. Ensure proper ventilation and that ambient temperatures are within range.

Basic troubleshooting involves power cycling the unit after checking for obvious faults. Ensure all control signals and communication links are functioning correctly. Regular maintenance can prevent many common issues.

What is the protection class of the Siemens 6SL3210-1KE28-4UF1?

The Siemens 6SL3210-1KE28-4UF1 has an IP20 protection class. This means it is protected against solid objects greater than 12.5 mm but offers no protection against water ingress. It is designed for installation within control cabinets.

IP20 protection requires the inverter to be installed in an environment protected from dust and moisture. Ensure the surrounding environment is suitable for this protection level. Avoid exposing the unit to washdowns or high humidity.

How can I program or parameterize the Siemens 6SL3210-1KE28-4UF1?

Parameterization can be done using the Local Operator Panel (LOP) directly on the unit or via a PC using Siemens' STARTER commissioning software. STARTER offers advanced features and easier management of complex configurations.

For initial setup, the LOP is convenient for basic parameterization. STARTER software provides comprehensive diagnostics, firmware updates, and project management capabilities. It's recommended for complex applications.

What industries commonly use the Siemens G120 series inverters like the 6SL3210-1KE28-4UF1?

The G120 series is widely used in manufacturing, water/wastewater, HVAC, and material handling industries. Its versatility suits applications requiring precise motor speed and torque control. It is also found in the food and beverage sector.

These industries benefit from the inverter's energy savings and operational reliability. The precise control offered by the G120 enhances product quality and process efficiency across various sectors.

What is the typical physical size and weight of the 6SL3210-1KE28-4UF1?

The inverter typically measures 630mm in height, 270mm in width, and 290mm in depth. Its weight is approximately 30 kilograms. These dimensions are important for control panel design and mounting.

Ensure adequate space is allocated for ventilation around the unit when planning installation. The weight necessitates secure mounting to prevent accidental dislodging. Always check the exact dimensions for your specific variant.