Description:

The Mitsubishi FR‑A720‑22K variable frequency drive is used in industrial automation systems to control the speed and torque of three‑phase AC motors. Commonly installed in conveyors, pumps, fans, mixers, and machine tools to deliver smooth speed variation, soft starting, and energy‑efficient motor control. Maintenance teams and system integrators use this drive for motor control upgrades, process optimization, and replacement of failed or outdated VFDs.

Applications:

The Mitsubishi FR‑A720‑22K drive is widely used in manufacturing and facility automation environments requiring reliable motor speed control and load management. It is commonly found in conveyor lines, HVAC systems, material handling equipment, extruders, printing presses, and packaging machinery where variable speed operation improves process performance, reduces mechanical wear, and enhances efficiency.

Technical Specifications:

• Model: FR‑A720‑22K
• Drive type: Variable frequency AC motor drive
• Rated output power: 22 kW (approx. 30 HP)
• Input voltage: 380–480 VAC, three‑phase
• Output current: Drive class dependent (approx. 40–45 A)
• Control method: V/f control and sensorless vector control
• Frequency range: 0–400 Hz
• Protective features: Overcurrent, overvoltage, undervoltage, overload, short‑circuit protection
• Cooling: Built‑in fan or heatsink
• Mounting: Panel/cabinet mount
• Communication: Optional fieldbus support (MODBUS, CC‑LINK, DeviceNet)
• Indicators: Status and fault LEDs, keypad/display
• Designed for: Industrial motor speed and torque control
• Operating temperature: Industrial environment range

Common Replacements:

• Mitsubishi FR‑F720‑22K
• Yaskawa GA500‑22KW
• ABB ACS580‑22K