DANFOSS FC-051P11KT4E20H3BXCXXXSXXX 11kW 23A Three Phase 480V FC-051 VFD

The DANFOSS FC-051P11KT4E20H3BXCXXXSXXX is a robust 11kW, 23A three-phase variable frequency drive (VFD) designed for demanding industrial applications. Its advanced control capabilities, compact design, and high efficiency deliver significant energy savings and process optimization. With a robust voltage rating of 480V, this FC-051 series VFD is engineered for reliability and performance in diverse environments.

Product Specifications

| Feature                 | Specification                                  |

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

| Model                   | FC-051P11KT4E20H3BXCXXXSXXX                     |

| Power                   | 11 kW                                          |

| Current Rating          | 23 A                                           |

| Phase                   | Three Phase                                    |

| Voltage                 | 480 V                                          |

| Series                  | FC-051                                         |

| Protection Class        | IP20                                           |

| Cooling                 | Fan Cooled                                     |

| Control Method          | V/Hz, Vector Control                           |

| Operating Temperature   | -10°C to +50°C (derating may apply above 40°C) |

| Altitude                | Up to 1000m without derating                   |

Core Features & Market Positioning

The DANFOSS FC-051P11KT4E20H3BXCXXXSXXX stands out in the industrial VFD market due to its superior motor control algorithms, offering precise speed and torque regulation. Its integrated harmonic mitigation features minimize electrical noise, ensuring cleaner power grids and protecting sensitive equipment. The IP20 enclosure provides essential protection against solid objects, making it suitable for control cabinet installations. Danfoss's reputation for reliability and innovation positions this VFD as a cost-effective solution for long-term operational efficiency and reduced maintenance costs. Its V/Hz and advanced vector control capabilities cater to a wide range of motor types and application demands, providing a versatile and powerful drive.

Key Application Scenarios

This 11kW, 480V VFD is ideally suited for a broad spectrum of industrial applications. Its robust design and precise control make it a prime choice for pump and fan control in HVAC systems, water treatment plants, and building automation, where energy savings are paramount. It also excels in conveyor systems, mixers, and extruders within the manufacturing and processing industries, providing smooth acceleration and deceleration, thereby reducing mechanical stress on equipment. The FC-051P11KT4E20H3BXCXXXSXXX is also a reliable option for general machinery applications requiring variable speed and torque control.

Practical System Integration Guidance

Integrating the DANFOSS FC-051P11KT4E20H3BXCXXXSXXX into existing systems is streamlined by its user-friendly interface and comprehensive documentation. Proper wiring is crucial; ensure the three-phase input power is connected to the L1, L2, L3 terminals and the motor is connected to T1, T2, T3. Grounding connections must be robust for safety and performance. Initial commissioning typically involves setting basic motor parameters, such as rated voltage, current, and frequency, via the keypad or through serial communication if integrated into a larger control system. Advanced programming options allow for custom control loops, speed profiles, and I/O configurations to optimize performance for specific machinery.

Operation and Risk Mitigation

Operating the FC-051P11KT4E20H3BXCXXXSXXX requires adherence to safety protocols, including ensuring all power is disconnected before any electrical work. The VFD should be installed in a clean, dry environment with adequate ventilation to prevent overheating, as indicated by the -10°C to +50°C operating temperature range. Common error codes, such as "Overcurrent" (OC) or "Overtemperature" (OT), typically point to issues with motor load, wiring, or cooling. Always consult the product manual for specific fault code interpretations and troubleshooting steps to mitigate operational risks and ensure continuous, safe operation.

Scalability & Long-Term Value

The DANFOSS FC-051P11KT4E20H3BXCXXXSXXX offers significant long-term value through its compatibility with Danfoss's broader automation ecosystem and its ability to integrate with industrial IoT (IIoT) platforms. While not directly upgradable in terms of hardware, its advanced software features and potential for integration with network protocols like Modbus allow for sophisticated remote monitoring and control. This facilitates predictive maintenance and process optimization, extending the lifespan of connected machinery and reducing overall operational expenditures. Its robust build quality ensures durability, minimizing the need for premature replacement.

FAQs

What are the primary benefits of using the DANFOSS FC-051P11KT4E20H3BXCXXXSXXX?

It offers significant energy savings by precisely controlling motor speed. Its advanced control modes ensure optimal process performance and reduced mechanical stress. The robust design enhances operational reliability and reduces maintenance needs.

The VFD provides superior motor protection features against common electrical faults. It enables smoother motor starts and stops, prolonging equipment life. Its compact size allows for easier integration into existing control panels.

The DANFOSS FC-051P11KT4E20H3BXCXXXSXXX contributes to a quieter operating environment by reducing motor noise. It offers flexible programming for diverse application requirements. Its high efficiency rating translates to lower operating costs.

How do I wire the DANFOSS FC-051P11KT4E20H3BXCXXXSXXX for a three-phase motor?

Connect the main three-phase power supply to terminals L1, L2, and L3 on the input side of the VFD. Ensure the power supply voltage matches the VFD's rating of 480V.

Connect the three-phase motor leads to terminals T1, T2, and T3 on the output side of the VFD. Proper torque should be applied to terminal connections to ensure a secure electrical bond.

Always ensure the VFD and motor are properly grounded according to local electrical codes and safety standards. Verify all connections are tight before applying power to prevent faults or hazards.

What are common applications for an 11kW, 480V VFD like the FC-051?

It is extensively used in pump and fan applications for HVAC systems. This includes managing flow rates in water supply and ventilation systems efficiently.

The VFD is suitable for conveyor systems and material handling equipment in manufacturing. It provides precise speed control for processes like mixing and extrusion.

General industrial machinery requiring variable speed and torque control benefits greatly. This includes applications in chemical processing and packaging lines.

Can the DANFOSS FC-051P11KT4E20H3BXCXXXSXXX be used with single-phase motors?

No, this VFD is specifically designed for three-phase motors. It requires a three-phase power supply for operation.

Using a single-phase motor with this VFD would result in incorrect operation and potential damage. Always match the motor type to the VFD's phase configuration.

Consult Danfoss documentation for VFD models suitable for single-phase motor applications. These typically have different model numbers and internal configurations.

What is the typical efficiency of the DANFOSS FC-051P11KT4E20H3BXCXXXSXXX?

The FC-051 series VFDs are known for high energy efficiency. Specific efficiency ratings vary with motor load and speed.

At full load, these drives typically operate at efficiencies exceeding 95%. This significantly reduces energy consumption compared to direct online motor starters.

The efficiency gains translate to substantial cost savings over the VFD's operational lifespan. This is a key benefit in energy-intensive industrial environments.

How do I reset fault codes on the DANFOSS FC-051P11KT4E20H3BXCXXXSXXX?

Most fault codes can be reset by cycling the main power supply to the VFD. Turn off the power, wait for a brief period, and then reapply power.

Alternatively, many fault codes can be acknowledged and reset directly from the VFD's control panel. Navigate the menu to find the fault reset option.

If a fault code repeatedly appears after resetting, it indicates an underlying issue that requires investigation. Consult the VFD's manual to diagnose the specific fault.

What is the protection rating (IP rating) of this VFD?

The DANFOSS FC-051P11KT4E20H3BXCXXXSXXX has an IP20 protection rating. This means it is protected against solid objects larger than 12.5mm.

IP20 protection is generally suitable for installation within control cabinets. This ensures it is shielded from accidental contact and dust ingress.

For environments requiring higher protection against moisture or dust, an external enclosure or a VFD with a higher IP rating might be necessary. Always consider the installation environment.

What is the maximum ambient operating temperature for this VFD?

The VFD can operate in ambient temperatures up to 50°C. However, derating of the VFD's output current may be required above 40°C.

Operating above 40°C without derating can lead to reduced performance and a shortened lifespan. Always check the derating curves in the product manual.

Ensure adequate ventilation around the VFD, especially in higher ambient temperature conditions. Proper cooling is critical for maintaining performance and reliability.

How can I program the DANFOSS FC-051P11KT4E20H3BXCXXXSXXX for a specific speed?

You can program a specific speed via the VFD's built-in keypad. Navigate to the speed reference parameter and enter the desired value.

Alternatively, speed can be controlled via external analog signals (e.g., 0-10V or 4-20mA) or digital inputs. This allows for integration with PLC or other control systems.

For complex speed profiles or sequences, programming can be done using Danfoss's configuration software. This offers advanced control and parameter management capabilities.

What communication protocols does this VFD support for integration into a network?

The FC-051 series typically supports Modbus RTU for serial communication. This is a widely adopted protocol for industrial automation.

Optional communication cards may be available for other fieldbus protocols like Profibus or DeviceNet. These cards would need to be purchased separately and installed in the VFD.

Integration into IIoT platforms can be achieved through gateway devices that convert the VFD's communication protocol to Ethernet/IP or MQTT. This enables remote monitoring and data analysis.