DANFOSS FC-111P37KT4P20H2XXCXXXSXXXXAXBXCXXXXDX 37kW 73A Three Phase 480V FC-111 VFD

The DANFOSS FC-111P37KT4P20H2XXCXXXSXXXXAXBXCXXXXDX 37kW 73A Three Phase 480V FC-111 Variable Frequency Drive (VFD) stands as a robust solution for precise motor control in demanding industrial environments. Its advanced architecture delivers exceptional energy efficiency, superior motor protection, and seamless integration capabilities. This VFD is engineered to optimize performance across a wide array of applications, offering a compelling combination of power, reliability, and intelligent functionality. Key advantages include its high overload capability, comprehensive diagnostic features, and user-friendly interface, making it a preferred choice for engineers and system integrators seeking dependable and efficient motor management.

Product Specifications

| Parameter               | Value                                             |

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

| Model Number            | FC-111P37KT4P20H2XXCXXXSXXXXAXBXCXXXXDX            |

| Power Rating            | 37 kW                                             |

| Full Load Amps (FLA)    | 73 A                                              |

| Input Voltage           | Three Phase, 480V                                 |

| Output Frequency        | Up to 600 Hz                                      |

| Enclosure Type          | IP20                                              |

| Harmonic Distortion     | Low, with integrated filter options               |

| Control Method          | V/f, Vector Control                               |

| Ambient Temperature     | -10°C to +50°C (derating may apply)                |

| Altitude                | Up to 1000m without derating                      |

| Communication Options   | Fieldbus (Profibus, DeviceNet, EtherNet/IP, etc.) |

Core Features & Market Positioning

The DANFOSS FC-111P37KT4P20H2XXCXXXSXXXXAXBXCXXXXDX excels in its market positioning due to its advanced control algorithms and robust build quality, offering a distinct competitive advantage in applications requiring precise speed and torque regulation. Its integrated harmonic filter significantly reduces electromagnetic interference, a critical factor in sensitive industrial settings. The VFD’s advanced motor control, including sensorless vector control, provides excellent dynamic performance without the need for motor feedback devices in many scenarios, simplifying installation and reducing costs. Danfoss's reputation for reliability and innovation further solidifies the FC-111 series' standing as a premium, high-performance drive.

Key Application Scenarios

This 37kW FC-111 VFD is ideally suited for a broad spectrum of industrial applications. It is frequently deployed in heavy-duty pump and fan systems, where precise flow and pressure control are paramount, leading to substantial energy savings. Its robust torque control capabilities make it an excellent choice for conveyors, mixers, and extruders in manufacturing and processing industries. Furthermore, its ability to handle high starting torques and maintain stable operation under fluctuating loads makes it suitable for material handling equipment, crushers, and shredders. The 480V, three-phase configuration is standard for many industrial power grids, facilitating straightforward integration.

Practical System Integration Guidance

Integrating the DANFOSS FC-111P37KT4P20H2XXCXXXSXXXXAXBXCXXXXDX into an existing system is streamlined by its flexible configuration options and clear terminal layouts. For installation, ensure adequate ventilation and adhere to local electrical codes, mounting the drive in an upright position. Wiring should follow the schematics provided in the Danfoss manual, paying close attention to power input, motor output, and control signal connections. Grounding of both the drive and the motor is critical for safety and performance. For programming, the intuitive control panel allows for direct parameter setting, while optional fieldbus communication modules enable advanced integration with SCADA or PLC systems, facilitating remote monitoring and control.

Operation and Risk Mitigation

Safe operation of the DANFOSS FC-111P37KT4P20H2XXCXXXSXXXXAXBXCXXXXDX necessitates adherence to the manufacturer's safety guidelines. Before powering up, always verify that all connections are secure and that the motor is correctly phased. Utilize the built-in motor protection features, such as overload, overvoltage, and undervoltage protection, to prevent damage. Common troubleshooting involves checking error codes displayed on the HMI; for instance, a fault code related to overcurrent (e.g., F001) might indicate a motor issue or a too-high acceleration ramp. Referencing the detailed fault code list in the user manual is essential for accurate diagnosis and resolution, minimizing downtime and preventing potential hazards.

Scalability & Long-Term Value

The DANFOSS FC-111P37KT4P20H2XXCXXXSXXXXAXBXCXXXXDX offers significant long-term value through its inherent scalability and compatibility. Its modular design allows for the addition of various option cards, including communication modules and I/O expanders, to adapt to evolving system requirements. This ensures that the drive can remain a central component even as automation strategies advance. Integration with Industrial Internet of Things (IIoT) platforms is achievable via compatible fieldbus interfaces, enabling predictive maintenance and enhanced operational analytics. The durability and efficiency of the FC-111 series translate into reduced energy consumption and maintenance costs over the product's lifecycle.

Frequently Asked Questions (FAQs)

1. What are the primary benefits of using the DANFOSS FC-111P37KT4P20H2XXCXXXSXXXXAXBXCXXXXDX?

This VFD offers superior energy efficiency for motor-driven applications. It provides precise speed and torque control, optimizing process performance. The drive also features robust motor protection and diagnostic capabilities, enhancing system reliability.

2. Can this VFD be used with any three-phase motor?

Yes, the FC-111P37KT4P20H2XXCXXXSXXXXAXBXCXXXXDX is designed for three-phase induction motors. Ensure the motor's voltage and current ratings are within the drive's output capabilities. Proper motor selection is crucial for optimal performance and longevity.

3. What is the typical installation environment for this DANFOSS drive?

This VFD is suitable for industrial environments with ambient temperatures from -10°C to +50°C. It requires adequate ventilation and should be installed in a clean, dry location, ideally within an enclosure rated IP20 or higher.

4. How does the FC-111 VFD contribute to energy savings?

It precisely matches motor speed to load requirements, significantly reducing energy consumption compared to fixed-speed operation. Soft start and stop features also minimize peak inrush current, further improving electrical efficiency.

5. What types of communication protocols does this specific DANFOSS FC-111 model support?

The base unit supports basic I/O and local control. For advanced communication, optional fieldbus modules are available, enabling protocols like Profibus, DeviceNet, and EtherNet/IP. This allows seamless integration into distributed control systems.

6. What are common applications for a 37kW, 480V VFD like the FC-111P37KT4P20H2XXCXXXSXXXXAXBXCXXXXDX?

It is ideal for industrial pumps, fans, and compressors requiring variable speed control. Heavy-duty applications like conveyors, mixers, and extruders also benefit from its precise torque regulation. Material handling systems frequently utilize this power range.

7. How do I perform a basic setup or commissioning of the FC-111 VFD?

Basic setup involves wiring power and motor connections, then configuring essential parameters like motor nominal current and maximum frequency via the keypad. Refer to the user manual for a detailed step-by-step commissioning guide.

8. What safety precautions should be taken when working with this VFD?

Always disconnect power before performing any wiring or maintenance. Ensure proper grounding of the drive and motor. Follow all local electrical codes and use appropriate personal protective equipment (PPE) when working on live equipment.

9. Does this VFD offer advanced motor control features beyond basic V/f control?

Yes, the FC-111 series supports sensorless vector control, which provides excellent dynamic performance and torque accuracy without requiring motor feedback. This simplifies installation and reduces overall system cost.

10. What is the IP rating of the DANFOSS FC-111P37KT4P20H2XXCXXXSXXXXAXBXCXXXXDX, and what does it mean for its use?

The "20" in the model number (P20) indicates an IP20 enclosure rating. This means it provides protection against solid objects greater than 12.5mm and is not protected against water. It is designed for installation within control cabinets or protected areas.