Siemens 6SL3210-5BE21-5UV0 V20 400V Frequency Inverter for Industrial Automation 4.1A 1.5kW

The Siemens 6SL3210-5BE21-5UV0 V20 400V frequency inverter is a robust solution for industrial automation, delivering precise motor control and enhanced energy efficiency. This 4.1A, 1.5kW drive offers seamless integration into complex systems, ensuring reliable performance across demanding applications. Its advanced V20 platform provides critical advantages such as simplified commissioning, flexible configuration, and superior protection for industrial machinery.

Product Specifications

| Parameter          | Value                                   |

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

| Manufacturer       | Siemens                                 |

| Product Number     | 6SL3210-5BE21-5UV0                      |

| Series             | SINAMICS V20                            |

| Voltage Rating     | 400V                                    |

| Current Rating     | 4.1A                                    |

| Power Rating       | 1.5kW                                   |

| Protection Class   | IP20                                    |

| Dimensions (H x W x D) | 246mm x 140mm x 170mm (approx.)       |

| Operating Temp     | -20°C to +50°C (derating may apply)     |

| Communication      | Modbus RTU (standard), optional fieldbus |

Core Features & Market Positioning

The SINAMICS V20 series, represented by the 6SL3210-5BE21-5UV0, positions itself as a cost-effective yet high-performance solution for basic motion control tasks. Its key differentiator lies in its ease of use and rapid commissioning, significantly reducing setup time for integrators and end-users. The V20 platform integrates essential functions directly, minimizing the need for complex external components. This makes it a highly competitive option for original equipment manufacturers (OEMs) and system integrators seeking reliable motor control without the complexity or cost of higher-end drives. Siemens' reputation for quality and robust design further solidifies its market position, offering assurance of long-term operational stability and minimal downtime.

Key Application Scenarios

The Siemens 6SL3210-5BE21-5UV0 frequency inverter is ideally suited for a wide range of industrial automation tasks where precise speed control, energy savings, and reliable operation are paramount. Common applications include pump and fan control in HVAC systems, conveyor belts in material handling, mixing and stirring equipment in food and beverage processing, and general machinery in manufacturing environments. Its compact size and IP20 protection make it suitable for integration into control cabinets where space may be limited. The 400V rating ensures compatibility with standard industrial power supplies, facilitating its adoption across various plant setups.

Practical System Integration Guidance

Integrating the Siemens 6SL3210-5BE21-5UV0 into an industrial control system involves straightforward wiring and parameter configuration. For power connections, ensure the correct phasing and grounding of the 400V supply to terminals L1, L2, and L3. Motor connections are made to terminals U, V, and W. Digital inputs (DI) can be configured for start/stop commands, speed selection, and external fault signals, while digital outputs (DO) can signal drive status or faults. Analog inputs (AI) are typically used for speed setpoint signals (e.g., 0-10V or 4-20mA). Commissioning can be rapidly executed using the Basic Operator Panel (BOP) or the more advanced Intelligent Operator Panel (IOP), with wizards available for common applications. For network integration, the built-in Modbus RTU interface or optional fieldbus modules (e.g., PROFIBUS DP, PROFINET) allow seamless communication with PLCs and SCADA systems.

Operation and Risk Mitigation

Safe operation of the Siemens 6SL3210-5BE21-5UV0 1.5kW inverter necessitates adherence to electrical safety standards and proper handling procedures. Always ensure the drive is de-energized and locked out before performing any wiring or maintenance. Utilize the drive's built-in protection features, such as overcurrent, overvoltage, undervoltage, and thermal overload protection, by correctly setting motor parameters and trip thresholds. Common fault codes, such as F0001 (Overcurrent) or F0002 (Overvoltage), typically indicate issues with motor load, supply voltage fluctuations, or incorrect parameter settings. Referencing the product's manual for specific fault code explanations and troubleshooting steps is crucial for swift problem resolution and minimizing operational risks.

Scalability & Long-Term Value

The SINAMICS V20 platform, including the 6SL3210-5BE21-5UV0, offers a degree of scalability through its ability to integrate with broader Siemens automation ecosystems. While the V20 is designed for simpler applications, it can serve as a foundational element in a networked automation architecture. Its compatibility with standard industrial communication protocols like Modbus RTU and optional fieldbus modules allows it to communicate with higher-level control systems such as Siemens SIMATIC PLCs. This facilitates remote monitoring, diagnostics, and parameter adjustments, contributing to predictive maintenance strategies and overall IIoT integration. The robust design ensures longevity, and Siemens' commitment to support provides confidence in long-term operational value and access to spare parts.

Frequently Asked Questions

What is the power output of the Siemens 6SL3210-5BE21-5UV0?

This Siemens frequency inverter has a power rating of 1.5kW.

It can handle a maximum continuous motor current of 4.1A at 400V.

This power level is suitable for many standard industrial motor applications.

What are the main benefits of using the SINAMICS V20 series?

The SINAMICS V20 offers cost-effective motor control.

It provides simplified commissioning and operation for quick setup.

Enhanced energy efficiency helps reduce operational costs in applications.

Can this inverter be controlled remotely?

Yes, remote control is possible via communication interfaces.

It supports Modbus RTU as a standard communication protocol.

Optional fieldbus modules enable integration with networks like PROFINET.

What voltage does the Siemens 6SL3210-5BE21-5UV0 operate on?

The inverter is designed for a 400V power supply.

Ensure your industrial power grid matches this voltage requirement.

Using the incorrect voltage can lead to damage or malfunction.

Is this inverter suitable for harsh environments?

The 6SL3210-5BE21-5UV0 has an IP20 protection rating.

This means it is protected against solid objects larger than 12.5mm.

It is intended for installation inside control cabinets and protected areas.

How do I connect a motor to the 6SL3210-5BE21-5UV0?

Connect the motor's power leads to terminals U, V, and W.

Ensure proper motor phasing for correct rotation direction.

Always consult the wiring diagrams in the product manual for detailed instructions.

What safety features are included in this V20 drive?

The inverter includes protection against overcurrent and overvoltage.

It also features thermal overload protection for the motor and drive.

Safety Integrated (STO) functionality is not standard on this V20 model.

Can I use this inverter with different motor types?

Yes, it is designed to control standard three-phase asynchronous motors.

Ensure motor nameplate data is correctly entered into the drive parameters.

For specialized motors, compatibility should be verified with Siemens.

What is the typical application for a 1.5kW V20 inverter?

Common uses include pumps, fans, and conveyor systems.

It's ideal for basic speed regulation and energy-saving applications.

Machine tools and general manufacturing equipment also benefit.

Where can I find the detailed manual for this product?

The official Siemens Support website is the primary source.

Search for the product number 6SL3210-5BE21-5UV0 to find documentation.

The manual contains comprehensive installation, operation, and troubleshooting information.