DANFOSS FC-051PK37S2E20HXXXCXXXSXXX 0.37kW 240V Single Phase FC-051 VFD

The Danfoss FC-051PK37S2E20HXXXCXXXSXXX is a high-performance 0.37kW, 240V single-phase Variable Frequency Drive (VFD) designed for demanding industrial applications. This VFD delivers exceptional motor control, energy savings, and operational reliability, making it a leading choice for original equipment manufacturers (OEMs) and system integrators. Its compact design, robust construction, and advanced features facilitate seamless integration and superior performance in a wide array of machinery and processes. Key advantages include precise speed regulation, enhanced torque control, and integrated protective functions, all contributing to extended equipment life and reduced operational costs.

Product Specifications

| Parameter                 | Specification                                     |

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

| Model Number              | FC-051PK37S2E20HXXXCXXXSXXX                        |

| Power Rating              | 0.37 kW                                           |

| Input Voltage             | 240V Single Phase                                 |

| Output Voltage            | 230-240V                                          |

| Output Frequency          | 0-500 Hz                                          |

| Enclosure Type            | IP20                                              |

| Installation Type         | Panel Mount                                       |

| Control Type              | V/f, Advanced V/f, Vector Control                 |

| Integrated Features       | Braking Chopper, EMC Filter                       |

| Communication Options     | Optional (e.g., Profibus, Modbus)                 |

| Ambient Temperature Range | -10°C to +40°C (derating may apply)                |

| Dimensions (H x W x D)    | Varies by specific sub-model, refer to datasheet |

Core Features & Market Positioning

The Danfoss FC-051PK37S2E20HXXXCXXXSXXX VFD distinguishes itself through its advanced control algorithms, offering precise motor speed and torque management essential for applications requiring dynamic performance. Its integrated braking chopper provides efficient deceleration capabilities, crucial for applications with high inertia loads. Danfoss's reputation for reliability and innovation positions this drive as a premium solution for industries demanding uptime and efficiency. The VFD's robust design and comprehensive protection features, including overcurrent, overvoltage, and thermal protection, minimize the risk of equipment damage and costly downtime. Furthermore, its compatibility with various motor types, including standard induction motors, enhances its versatility.

Key Application Scenarios

This 0.37kW, 240V single-phase VFD is ideally suited for a broad spectrum of industrial machinery. Common applications include pump and fan control systems where variable speed operation significantly enhances energy efficiency. It is also widely deployed in conveyor systems, mixers, extruders, and machine tools, where precise speed adjustment is critical for process optimization and product quality. The FC-051 VFD's ability to handle dynamic load changes makes it an excellent choice for packaging machinery and material handling equipment. Its compact IP20 enclosure is designed for integration into control panels, making it suitable for OEMs building machinery for sectors such as food and beverage, water treatment, and general manufacturing.

Practical System Integration Guidance

Integrating the Danfoss FC-051PK37S2E20HXXXCXXXSXXX into existing systems involves careful consideration of wiring and parameter setup. Ensure the input power supply is stable and correctly wired to the designated terminals, adhering to local electrical codes. For motor connections, use shielded cables to minimize electromagnetic interference, especially in environments with sensitive electronics. The VFD's advanced parameterization allows for fine-tuning motor performance. Key parameters to configure include motor nominal voltage, frequency, current, and speed. Utilizing the V/f or Advanced V/f control modes is recommended for simple pump and fan applications, while Vector Control offers superior performance for demanding loads. Always consult the official Danfoss FC-051 manual for detailed wiring diagrams and parameter descriptions specific to your application.

Operation and Risk Mitigation

Operating the Danfoss FC-051PK37S2E20HXXXCXXXSXXX VFD requires adherence to safety protocols and an understanding of its diagnostic capabilities. Before commissioning, verify all connections and ensure the motor is properly sized for the VFD's output. During operation, monitor for any unusual noise or vibration from the motor, which could indicate a setup issue or a motor fault. The VFD features built-in fault codes to assist in troubleshooting. Common faults include overcurrent (OC), overvoltage (OV), undervoltage (UV), and motor thermal overload (OL). Addressing these faults promptly by investigating the root cause—such as incorrect parameter settings, mechanical issues, or supply voltage problems—is crucial to prevent damage. Always disconnect power before performing any maintenance or wiring adjustments.

Scalability & Long-Term Value

The Danfoss FC-051 VFD offers significant long-term value through its robust design and inherent scalability. While this specific model is a 0.37kW unit, the FC-051 series encompasses a range of power ratings, allowing for system upgrades without requiring a complete change in control philosophy or user interface. Its compatibility with common industrial communication protocols (via optional modules) facilitates integration into broader automation systems and Supervisory Control and Data Acquisition (SCADA) networks. This enables advanced monitoring, data logging, and remote control capabilities, aligning with the growing trend towards Industrial Internet of Things (IIoT) solutions and smart factory environments. The drive's energy-saving capabilities also contribute to a lower total cost of ownership over its operational lifespan.

Frequently Asked Questions

Q: What is the maximum motor size for the Danfoss FC-051PK37S2E20HXXXCXXXSXXX?

A: The FC-051PK37S2E20HXXXCXXXSXXX is rated for a 0.37kW motor. This size is suitable for many smaller industrial applications requiring precise speed control.

A: Exceeding the 0.37kW rating can lead to VFD overload, potential damage, and erratic motor performance. Always match the VFD to the motor's nameplate data.

A: For larger motor requirements, Danfoss offers other VFD models within the FC-051 series or other product lines that can accommodate higher power ratings.

Q: How do I wire a single-phase motor to the Danfoss FC-051 VFD?

A: Connect the single-phase motor's power leads (typically L1 and L2) to the VFD's motor output terminals (U, V, W). Ensure proper grounding.

A: Use shielded motor cables for best results, especially in noisy electrical environments. Consult the manual for specific terminal designations.

A: The VFD itself requires a 240V single-phase input supply connected to its designated input terminals. Verify polarity and voltage before powering up.

Q: What are the key parameters to set for pump applications?

A: Set the motor's nominal voltage, frequency, and full-load current accurately in the VFD parameters. This ensures proper motor operation.

A: Configure pump-specific parameters like minimum/maximum speed, acceleration/deceleration ramps, and PID control settings if using the VFD for variable speed pumping.

A: Enable the VFD's V/f control mode or advanced V/f curve for typical pump applications, which offers good performance and simplicity for flow or pressure regulation.

Q: Can this VFD be used with a three-phase motor?

A: No, this specific model, FC-051PK37S2E20HXXXCXXXSXXX, is designed for single-phase input and is typically used with single-phase motors or specialized three-phase motors in specific configurations.

A: Inputting three-phase power to a single-phase input VFD will cause immediate damage. Always verify the VFD's input power requirements match the available supply.

A: For three-phase motors, a VFD with a three-phase input is necessary. Danfoss offers many such drives within their product portfolio.

Q: What does the 'PK' in the model number signify?

A: The 'PK' designation in Danfoss VFD model numbers often indicates specific features or a particular product variant within a series.

A: For the FC-051 series, 'PK' typically denotes the presence of an integrated braking chopper, which is essential for applications requiring dynamic braking.

A: Always refer to the detailed product documentation or Danfoss sales literature for a definitive explanation of all alphanumeric codes within a model number.

Q: How do I troubleshoot an OC fault on the FC-051 VFD?

A: An OC (Overcurrent) fault indicates the motor is drawing too much current, often due to mechanical overload, rapid acceleration, or incorrect motor parameters.

A: Check the motor for any binding or excessive load. Review the VFD's acceleration time parameters and motor data settings for accuracy.

A: Ensure the motor and VFD are correctly sized for the application. Verify the power supply voltage is within the specified range for stable operation.

Q: Is an EMC filter required for the Danfoss FC-051PK37S2E20HXXXCXXXSXXX?

A: Some variants of the FC-051 series include an integrated EMC filter, often indicated by specific characters in the model number. Check your specific model's documentation.

A: An external EMC filter may be required depending on local electromagnetic compatibility regulations and the sensitivity of nearby electronic equipment.

A: Using shielded motor cables and proper grounding techniques significantly helps in reducing electromagnetic interference, even if an external filter is not mandatory.

Q: What is the IP rating of this VFD and what does it mean?

A: The FC-051PK37S2E20HXXXCXXXSXXX has an IP20 rating. This means it is protected against solid objects larger than 12.5mm but offers no protection against water.

A: An IP20 rating indicates the drive is suitable for installation within an enclosed control panel or cabinet where it is protected from physical contact and environmental ingress.

A: For applications exposed to dust, moisture, or corrosive elements, a higher IP rated enclosure or a separate protective cabinet is necessary to ensure the VFD's longevity.

Q: Can I use this VFD for a conveyor belt system?

A: Yes, the Danfoss FC-051 VFD is well-suited for conveyor belt systems, enabling precise speed control and smooth starting/stopping.

A: You can adjust acceleration and deceleration ramps to prevent product damage or slippage on the conveyor belt. Vector control offers enhanced torque.

A: The VFD's ability to maintain constant speed under varying loads ensures consistent throughput and operational efficiency for your conveyor system.

Q: What is the operating temperature range for this VFD?

A: The typical operating ambient temperature range for the Danfoss FC-051 VFD is between -10°C and +40°C.

A: Operation outside this range may require derating the VFD's output current capacity or implementing additional cooling measures to prevent overheating.

A: Ensuring adequate ventilation around the VFD, especially when installed in a control panel, is crucial for maintaining optimal operating temperatures and drive lifespan.