DANFOSS FC-051P3K0T4E20H3BXCXXXSXXX 3kW 7.2A Three Phase 480V VFD Standard

The Danfoss FC-051P3K0T4E20H3BXCXXXSXXX 3kW 7.2A Three Phase 480V VFD Standard is a robust Variable Frequency Drive engineered for precise motor control in demanding industrial environments. This VFD boasts superior energy efficiency, a compact design for easy integration, and advanced control algorithms ensuring optimal performance across a wide range of applications. Its key technical parameters include a power rating of 3kW, a maximum output current of 7.2A, a three-phase input and output voltage of 480V, and an IP20 enclosure rating, making it suitable for standard industrial settings.

Product Specifications

| Parameter           | Specification                                  |

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

| Model Number        | FC-051P3K0T4E20H3BXCXXXSXXX                    |

| Power Rating        | 3 kW                                           |

| Output Current      | 7.2 A                                          |

| Input Voltage       | 3 Phase, 480V                                  |

| Output Voltage      | 3 Phase, 480V                                  |

| Enclosure           | IP20 Standard                                  |

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

| Operating Frequency | 0-599 Hz                                       |

| Ambient Temperature | -20 to +50 °C (with derating above 40°C)       |

| Protection Features | Overcurrent, Overvoltage, Undervoltage, Thermal |

Core Features & Market Positioning

The FC-051P3K0T4E20H3BXCXXXSXXX stands out in the industrial VFD market due to its exceptional reliability and advanced motor control capabilities. It offers multiple control modes, including V/Hz, Advanced V/Hz, and a robust Vector Control, allowing for precise speed and torque management essential for variable torque loads like pumps and fans, as well as constant torque applications. Danfoss's reputation for quality and durability is embodied in this drive, positioning it as a premium choice for applications where uptime and performance are critical. The integrated harmonic mitigation features further enhance its value proposition by reducing electrical noise and improving power quality on the supply line.

Key Application Scenarios

This 3kW VFD is exceptionally well-suited for a variety of industrial applications, particularly those involving pumps, fans, and general-purpose machinery. Its ability to precisely control motor speed translates directly into energy savings, making it ideal for HVAC systems, water and wastewater treatment plants, and industrial ventilation. In manufacturing, the FC-051P3K0T4E20H3BXCXXXSXXX is deployed on conveyor systems, mixers, and processing equipment where variable speed is required to optimize production output and product quality. The 480V rating makes it a direct fit for many North American industrial power grids.

Practical System Integration Guidance

Integrating the Danfoss FC-051P3K0T4E20H3BXCXXXSXXX into an industrial setup is streamlined by its user-friendly design. For wiring, ensure the main power supply is disconnected. Connect the three-phase input power to terminals L1, L2, and L3, and the motor leads to terminals T1, T2, and T3. Grounding should be established via the earth terminal. Initial commissioning typically involves setting basic motor parameters, such as nominal voltage, current, and frequency, via the VFD's keypad or a PC-based software tool like Danfoss's MCW software. Advanced configuration may include ramp times, control mode selection, and I/O signal assignments to optimize performance for specific loads.

Operation and Risk Mitigation

Safe operation of the FC-051P3K0T4E20H3BXCXXXSXXX requires adherence to electrical safety standards and the manufacturer's guidelines. Before performing any maintenance or wiring, always ensure the drive is de-energized and capacitors are discharged. Common troubleshooting steps involve checking for error codes displayed on the VFD's interface. For instance, an "Overcurrent" fault (often indicated by code 1-01) typically suggests a motor issue, incorrect parameter settings, or a sudden load change. An "Overvoltage" fault (code 1-02) might indicate high input voltage or regeneration issues. Consulting the full user manual for specific fault code explanations and resolution procedures is crucial for minimizing downtime and preventing equipment damage.

Scalability & Long-Term Value

The Danfoss FC-051P3K0T4E20H3BXCXXXSXXX offers significant long-term value through its inherent reliability and compatibility with modern industrial automation trends. While this specific model is a standard unit, Danfoss provides a broad ecosystem of VFDs and control solutions, allowing for scalable integration into larger systems as operational needs evolve. Its compatibility with various communication protocols (depending on optional modules) facilitates integration into SCADA systems and IIoT platforms, enabling remote monitoring, diagnostics, and predictive maintenance strategies. This ensures the VFD remains a valuable asset throughout the lifecycle of an industrial plant, contributing to operational efficiency and cost savings.

Frequently Asked Questions

What are the primary advantages of using the Danfoss FC-051P3K0T4E20H3BXCXXXSXXX?

This VFD offers significant energy savings by precisely controlling motor speed. It ensures smooth acceleration and deceleration, reducing mechanical stress on equipment. The drive's advanced control algorithms optimize torque and speed for various load types.

It provides enhanced system protection through built-in overcurrent and overvoltage monitoring. The compact design simplifies installation in space-constrained industrial panels. Reliable performance minimizes unexpected downtime and maintenance costs.

The FC-051P3K0T4E20H3BXCXXXSXXX improves process control accuracy and repeatability. It reduces noise pollution compared to direct-on-line motor starts. Its flexibility in parameter settings allows for fine-tuning to specific application demands.

How do I wire the Danfoss FC-051P3K0T4E20H3BXCXXXSXXX for a three-phase motor?

Connect the incoming three-phase power supply to terminals L1, L2, and L3. Ensure proper grounding to the designated earth terminal for safety. The motor windings are connected to terminals T1, T2, and T3.

Always verify that the power supply is disconnected before commencing any wiring procedures. Incorrect wiring can lead to drive failure or damage to connected equipment. Refer to the wiring diagram in the user manual for precise terminal assignments.

For control signals, connect digital inputs for start/stop commands and analog inputs for speed reference signals to the appropriate terminals. Ensure all connections are secure and insulated to prevent short circuits.

What are the typical applications for a 3kW 480V VFD like the FC-051P3K0T4E20H3BXCXXXSXXX?

This VFD is ideal for variable torque applications such as centrifugal pumps and fans. Its ability to adjust speed saves energy in HVAC systems and water management. It's widely used in building automation for optimal climate control.

In manufacturing, it's applied to conveyor belts, mixers, and extruders requiring precise speed regulation. It can also control processing equipment in the food and beverage industry. The 480V rating suits many industrial power grids.

General industrial machinery benefits from the smooth motor control and reduced mechanical wear. Applications include packaging machines, printing presses, and material handling systems. Its versatility makes it a staple for many industrial processes.

What is the meaning of the 'IP20' enclosure rating for this VFD?

IP20 signifies protection against solid objects greater than 12.5 mm in diameter. This means it is protected against finger access. It does not offer protection against water ingress.

This rating indicates it is suitable for clean, dry industrial environments where direct contact with hazardous parts is unlikely. It should be installed within an electrical enclosure or control panel for enhanced protection. The drive is not designed for outdoor or wet conditions.

For applications requiring higher levels of protection against dust or water, an appropriately rated enclosure or a VFD with a higher IP rating would be necessary. The IP20 rating is standard for many indoor industrial control components.

How can I set up the motor parameters on the Danfoss FC-051P3K0T4E20H3BXCXXXSXXX?

Navigate to the parameter menu using the keypad and select the motor data settings. Input the motor's nominal voltage, frequency, current, and power rating. These values are typically found on the motor nameplate.

Accurate motor parameter setup is crucial for optimal performance and protection. Incorrect settings can lead to inefficient operation, reduced motor lifespan, or nuisance tripping of the VFD. Use the provided software tools for easier parameter management.

After entering the basic parameters, perform an auto-tune function if available. This process allows the VFD to fine-tune its control algorithm to the specific characteristics of the connected motor. Save the settings once the auto-tune is complete.

What are common error codes for the FC-051P3K0T4E20H3BXCXXXSXXX and how are they resolved?

An "Overcurrent" fault (e.g., 1-01) indicates the motor's current exceeds the drive's limit. Check for mechanical overload, short circuits, or incorrect motor/drive sizing. Reduce the load or check motor windings.

An "Overvoltage" fault (e.g., 1-02) signals that the DC bus voltage is too high. This can occur during rapid deceleration or if the input voltage is excessive. Consider using a braking resistor or adjusting deceleration ramp times.

A "Thermal" fault (e.g., 1-04) means the drive's internal heatsink is overheating. Ensure adequate ventilation, check fan operation, and verify ambient temperature is within limits. Clean dust from heatsink fins.

Can this VFD be controlled remotely?

Yes, remote control is possible via digital inputs and outputs or through optional communication modules. Digital inputs can be wired to external switches or PLC outputs for start/stop and speed selection.

Analog inputs can receive speed commands from external potentiometers or analog signals (0-10V or 4-20mA) generated by a PLC or other control system. This allows for precise speed adjustments from a central control room.

For advanced integration, optional fieldbus communication modules (e.g., Modbus, Profibus, EtherNet/IP) can be added. These modules enable full remote parameterization, monitoring, and control over industrial networks.

What is the maximum ambient operating temperature for this drive?

The FC-051P3K0T4E20H3BXCXXXSXXX can operate in ambient temperatures from -20°C to +50°C. However, derating is required for sustained operation above 40°C.

If the drive operates continuously at temperatures exceeding 40°C, its output current capacity will be reduced. This ensures the drive's internal components remain within their safe operating temperature limits. Consult the manual for specific derating curves.

Proper ventilation and airflow around the drive are critical, especially in higher ambient temperatures. Installing the drive in a well-ventilated enclosure or ensuring sufficient clearance around it helps maintain optimal operating conditions.

What are the energy-saving benefits of using this Variable Frequency Drive?

By matching motor speed to the actual load requirement, VFDs significantly reduce energy consumption. For applications like pumps and fans, a small reduction in speed results in substantial power savings due to the cubic relationship between speed and power.

The precise speed control capability eliminates the energy waste associated with mechanical throttling or bypass systems. It allows for soft starts and stops, reducing peak current demand and lowering overall electricity bills.

Energy optimization features, such as integrated energy calculators and sleep functions, further enhance savings. These features allow the drive to enter low-power modes during periods of inactivity or reduced demand.

Does the FC-051P3K0T4E20H3BXCXXXSXXX support motor auto-tuning?

Yes, this Danfoss VFD model typically supports an auto-tuning function for motor parameter identification. This feature is essential for optimal performance, especially when using advanced control modes like VVCplus or Flux Vector.

During the auto-tune process, the drive measures motor characteristics like resistance, inductance, and inertia. This data is used to fine-tune the internal control loop, ensuring precise speed and torque regulation tailored to the specific motor.

To initiate auto-tune, access the drive's parameter menu, select the auto-tune function, and follow the on-screen prompts. Ensure the motor is disconnected from the load during the initial static auto-tune for safety and accuracy.