Omron 3G3RX-A4220-E1F RX inverter drive, a 22 kW three phase AC variable frequency drive with 48 A output current, 380–480 V AC input and open loop / closed loop vector control for industrial motor control applications.
Why Choose the Omron 3G3RX-A4220-E1F RX Inverter Drive?
The Omron 3G3RX-A4220-E1F is a high performance AC variable frequency drive (VFD) from the Omron RX inverter series, designed for precise speed and torque control of three-phase motors in demanding industrial automation applications. Built for machinery, process control and heavy-duty motor control, the RX range provides advanced drive functionality for applications requiring dependable performance and flexible configuration.
This inverter supports open loop and closed loop vector control, helping deliver accurate motor response, strong starting torque and smooth speed regulation across varied load conditions. Its built-in control features and automation-friendly design make it suitable for integration into PLC-controlled systems, industrial control panels and OEM machinery.
With a rated motor power of 22 kW, rated output current of 48 A and a three-phase 380–480 V AC supply, the 3G3RX-A4220-E1F is ideal for larger industrial motors used in conveyors, pumps, fans, compressors, mixers, hoists and production machinery. The IP20 cabinet-mounted format is intended for installation within protected electrical enclosures.
Key Advantages
High performance variable frequency drive for industrial motor control.
22 kW motor power rating for demanding automation applications.
48 A rated output current for three-phase motor control.
Three-phase 380–480 V AC input for industrial power systems.
Open loop and closed loop vector control for precise motor performance.
Designed for smooth acceleration, deceleration and stable torque control.
Suitable for panel builders, OEM machinery and industrial automation systems.
Key Features
Omron RX inverter drive series.
22 kW rated motor output.
48 A rated output current.
Three-phase 380–480 V AC input supply.
Open loop vector and closed loop vector control.
High starting torque for demanding loads.
Built-in braking transistor functionality on suitable frame ratings.
Flexible drive parameters for machinery and process applications.
Cabinet-mounted design for industrial control panels.
IP20 enclosure for protected installation environments.
Advanced Motor Control for Industrial Machinery
Variable frequency drives such as the Omron 3G3RX-A4220-E1F regulate motor speed by adjusting output frequency and voltage. This improves process control, reduces mechanical stress and can help lower energy consumption in applications where motors do not need to run continuously at full speed.
The RX series is designed for industrial users requiring robust motor control, strong torque characteristics and dependable operation across demanding machinery applications. With vector control capability and flexible parameter settings, the 3G3RX-A4220-E1F provides a reliable solution for both standalone equipment and integrated automation systems.
Typical Applications
Industrial conveyors and material handling systems.
Pumps, fans and ventilation equipment.
Compressors and process machinery.
Mixers, agitators and production equipment.
Hoists and lifting machinery.
Machine tools and manufacturing systems.
Panel building and OEM automation applications.
Technical Specifications
Power
22 kW
Voltage
400 V
Phase
Three Phase
IP Rating
IP20
Series
RX
Product type
AC variable frequency drive
Rated motor power
22 kW
Rated output current
48 A
Input voltage
380–480 V AC
Input phases
3-phase
Frequency
50 / 60 Hz
Control method
Open loop vector / closed loop vector control
Application class
Heavy-duty industrial motor control
Protection rating
IP20
Mounting type
Cabinet / panel mounting
Cooling method
Forced air cooling
Typical use
Three-phase AC motor speed control
EMC Filter
None
Frequently Asked Questions
What is the Omron 3G3RX-A4220-E1F used for?
The 3G3RX-A4220-E1F is used to control the speed and torque of three-phase AC motors in industrial machinery, automation systems and process applications.
What motor power does this inverter support?
This inverter is rated for 22 kW motor control applications.
What supply voltage does the 3G3RX-A4220-E1F require?
The drive operates from a three-phase 380–480 V AC supply.
Does this inverter support vector control?
Yes. The Omron RX series supports open loop and closed loop vector control for accurate speed and torque performance.
Where is the Omron 3G3RX-A4220-E1F installed?
The inverter is designed for installation inside electrical control panels or machine cabinets, where the IP20 enclosure is protected from the surrounding environment.
Trusted by Industrial Automation Engineers Worldwide
Omron RX inverter drives are widely used by panel builders, machine builders and industrial automation engineers for reliable motor control, strong torque performance and flexible integration into demanding production environments.
Power
22 kW
Voltage
400 V
Phase
Three Phase
IP Rating
IP20
Series
RX
Product type
AC variable frequency drive
Rated motor power
22 kW
Rated output current
48 A
Input voltage
380–480 V AC
Input phases
3-phase
Frequency
50 / 60 Hz
Control method
Open loop vector / closed loop vector control
Application class
Heavy-duty industrial motor control
Protection rating
IP20
Mounting type
Cabinet / panel mounting
Cooling method
Forced air cooling
Typical use
Three-phase AC motor speed control
EMC Filter
None
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...