AT1-0450X 0.45kW 220V VFD Variable Frequency Drive

1. Product Overview

The AT1-0450X 0.45kW 220V VFD is a compact and reliable designed for single-phase 220V input and three-phase 220V motor output. This VFD enables precise motor speed regulation, helping users achieve significant energy savings, reduce equipment wear, and improve production efficiency. Built with a user-friendly interface and robust protection features, the VFD is ideal for small-scale industrial and commercial applications requiring basic yet effective motor control.

2. Application Environment

The 0.45kW VFD is suitable for use in environments with ambient temperatures between -10°C and +40°C, with a relative humidity below 90% (non-condensing). The variable frequency drive should be installed in a well-ventilated area, away from direct sunlight, corrosive gases, flammable materials, and excessive dust. The VFD must not be operated in locations with strong electromagnetic interference or explosive atmospheres. This 220V VFD is commonly used in pump rooms, small workshops, and industrial control cabinets where basic motor speed control is required.

3. Product Parameters

Model: AT1-0450X
Rated Motor Power: 0.45kW
Input Voltage: AC 220V, Single Phase
Output Voltage: AC 220V, Three Phase
Rated Current: 3A
Control Mode: Open-loop V/F Control
Protection Functions: Overcurrent, Overvoltage, Undervoltage, Overheating, Short Circuit, Phase Loss, Electronic Thermal Relay
Cooling Method: Built-in Cooling Fan
Display Type: LED Digital Display
Warranty: 1 Year

This VFD is engineered to deliver stable performance for small motors, with built-in protection mechanisms to prevent damage from common electrical faults.

4. Dimensions and Structure

The AT1-0450X VFD features a compact design with the following external dimensions:

Length: 112.6mm (±1mm)
Width: 101mm (±1mm)
Height: 163mm (±1mm)

The VFD is housed in a flame-retardant composite plastic casing, with side ventilation slots and a built-in cooling fan to ensure effective heat dissipation. The front panel includes clearly labeled control buttons, a speed adjustment knob, and an LED display for intuitive operation and monitoring. The VFD ’s compact form factor allows for easy installation in standard control panels and limited-space environments.

5. Key Features

The 0.45kW 220V variable frequency drive offers several core features tailored to basic motor control needs. First, the variable frequency drive supports stepless speed regulation, allowing users to adjust motor speed smoothly via the front panel knob or buttons. Second, the variable frequency drive includes multiple built-in protection functions to safeguard both the drive and the connected motor from common electrical faults. Third, the variable frequency drive features an intuitive LED display that shows real-time operating frequency, making it easy to monitor performance. Fourth, the variable frequency drive is designed for energy efficiency, helping reduce power consumption in pump and fan applications. Finally, the variable frequency drive uses high-quality electrolytic capacitors and a three-proof coated motherboard for enhanced stability and durability.

6. Installation and Usage Instructions

Installation Steps

Mount the VFD vertically on a flat, stable surface, ensuring at least 10cm of clearance around the unit for ventilation.
Connect the power input to the variable frequency drive’s L and N terminals, then connect the motor to the U, V, W output terminals.
Ensure the VFD is properly grounded to prevent electrical shock and interference.

Operation Guide

Power on the variable frequency drive; the LED display will show the default operating frequency (50Hz).
Use the adjustment knob or arrow buttons to set the desired motor speed.
Press the “Run” button to start the motor; press “Stop/Reset” to halt operation.
Use the “Program” and “Function Save” buttons to adjust advanced settings as needed.

Safety Notes

Disconnect power before wiring or performing maintenance on the variable frequency drive.
Do not connect AC power to the variable frequency drive’s output terminals, as this may damage the unit.
Keep the variable frequency drive away from water, moisture, and corrosive materials.
Qualified personnel should perform all wiring and installation work to avoid injury or equipment damage.