{"product_id":"mitsubishi-electric-fr-a820-0-75k-freqrol-a800-high-performance-inverter","title":"Mitsubishi Electric FR-A820-0.75k FREQROL-A800 High Performance Inverter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eEngineered to meet the demands of highly dynamic industrial motor applications, the \u003cstrong\u003eMitsubishi Electric FR-A820-0.75k\u003c\/strong\u003e is a premium \u003cstrong\u003eFREQROL-A800 series\u003c\/strong\u003e variable frequency drive designed for high-precision speed and torque control. This drive accommodates multiple operating duties, including Normal Duty (ND) at \u003cstrong\u003e0.75 kW\u003c\/strong\u003e, Heavy Duty (HD) at \u003cstrong\u003e0.4 kW\u003c\/strong\u003e, and Light\/Super Light Duty (LD\/SLD) up to \u003cstrong\u003e1.5 kW\u003c\/strong\u003e, allowing electrical engineers to configure a single physical chassis for varying load profiles. By integrating advanced motor control algorithms like real sensorless vector control and PM sensorless vector control, the FR-A820-0.75k maintains stable performance and high starting torque across a broad frequency spectrum of 0.2 to 590 Hz.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Duty Capability:\u003c\/strong\u003e Selectable SLD, LD, ND, and HD ratings to adapt to variable torque, constant torque, and high-overload profiles.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdvanced Control Algorithms:\u003c\/strong\u003e Selectable V\/F control, advanced magnetic flux vector control, real sensorless vector control, and PM sensorless vector control.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRobust Overload Margins:\u003c\/strong\u003e Up to 200% for 3 seconds and 150% for 60 seconds under default Normal Duty (ND) configurations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Safety Function:\u003c\/strong\u003e Features built-in safety stop capabilities conforming to international functional safety standards.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Speed Communications:\u003c\/strong\u003e Built-in RS-485 interface with native support for Modbus RTU, CC-Link, and common industrial fieldbuses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConveyor and Material Handling Systems:\u003c\/strong\u003e Providing smooth acceleration ramps and precise multi-stage speed profiles.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMachine Tool Spindles:\u003c\/strong\u003e Requiring stable high-speed performance and rapid, controlled braking cycles.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCentrifugal Pumps and Fans:\u003c\/strong\u003e Utilizing optimum excitation control to maximize energy efficiency under variable torque loads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackaging and Textile Machinery:\u003c\/strong\u003e Delivering consistent torque and tension control at low operational speeds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748; border: 1px solid #e2e8f0;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #e2e8f0; text-align: left;\"\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold;\"\u003eSpecification\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eMitsubishi Electric\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eFR-A820-0.75k\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eSeries Name\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eFREQROL-A800\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003ePower Supply Voltage\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e3-Phase 200 to 240 VAC, 50 Hz \/ 60 Hz\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eAllowable Voltage Fluctuation\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e170 to 264 VAC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eMotor Capacity (ND \/ Default)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e0.75 kW\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eMotor Capacity (HD \/ High Duty)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e0.4 kW\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eMotor Capacity (LD \/ SLD)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e1.5 kW\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eRated Output Current (ND)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e5.0 A\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eOutput Frequency Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e0.2 to 590 Hz (Vector\/Sensorless limits to 400 Hz)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eCooling Method\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eSelf-cooling\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eProtective Rating\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eIP20 (Closed Type)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eAmbient Operating Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e-10 to +50 degC (LD, ND, HD ratings, non-freezing)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eAmbient Storage Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e-20 to +65 degC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eNet Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e2.2 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e3.0 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748; border: 1px solid #e2e8f0;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #e2e8f0; text-align: left;\"\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold;\"\u003eTerminal \/ Port\u003c\/th\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold;\"\u003eFunction Assignment\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eTerminals 2, 4\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eAnalog input: 0 to 10 V, 0 to 5 V, or 4 to 20 mA (selectable)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eTerminal 1\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eAuxiliary analog input: -10 to +10 V or -5 to +5 V\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eDigital Inputs (12 Points)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eConfigurable control signals (Start, Forward\/Reverse, Jog, Reset, Speed Selection)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eOpen Collector Outputs (5 Points)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eConfigurable status signals (Run, Up-to-speed, Overload Alarm)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eRelay Outputs (2 Points)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eFault and high-current alarm configuration\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eRJ-45 Connector\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eRS-485 Modbus RTU interface \/ Parameter unit connection\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eAlternative Models \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe FR-A820-0.75k directly replaces older generation FR-A720-0.75K inverters. While basic terminal block signals are layout-compatible, always review software and parameter sets using FR Configurator2 to ensure custom terminal logic mappings transition smoothly without triggering internal interlocking conflicts.\u003c\/p\u003e\n\n\u003ch3\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eWhen sizing this VFD for high starting torque loads in Heavy Duty (HD) mode, remember the maximum motor capacity is reduced to 0.4 kW. Attempting to run a 0.75 kW motor under high-vibration, high-duty cycles on the HD parameter mapping will cause rapid thermal accumulation and lead to E.THT (Inverter Overload) faults. Ensure proper clearance of at least 50 mm above and below the self-cooling frame inside sealed enclosures to avoid heat trapping.\u003c\/p\u003e\n\n\u003ch3\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eFor setups utilizing Real Sensorless Vector Control or PM Sensorless Vector Control, performing an offline auto-tuning sequence (Parameter 96) is highly critical. Tuning must be executed with the motor uncoupled from the gearbox or mechanical load to prevent incorrect stator resistance and inductance readings, which are the root cause of E.OC1 (Overcurrent during acceleration) errors at low speeds.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cstrong style=\"color: #9b2c2c;\"\u003eCRITICAL WARNING:\u003c\/strong\u003e \u003cspan style=\"color: #9b2c2c;\"\u003eBefore starting installation or maintenance, isolate all primary three-phase power supplies. Wait at least 10 minutes for the internal DC bus capacitors to discharge fully. Verify zero-voltage potential on the charge indicator LED and across terminals P\/+ and N\/- using a calibrated multimeter before touching internal terminals.\u003c\/span\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; margin-right: 0.75rem; flex-shrink: 0; font-weight: bold;\"\u003e1\u003c\/div\u003e\n  \u003cdiv style=\"color: #2d3748;\"\u003eMount the drive vertically on a flat, non-flammable surface inside a dust-free enclosure using the specified mounting screws to secure the chassis.\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; margin-right: 0.75rem; flex-shrink: 0; font-weight: bold;\"\u003e2\u003c\/div\u003e\n  \u003cdiv style=\"color: #2d3748;\"\u003eRoute incoming three-phase AC mains power lines to terminal lugs R\/L1, S\/L2, and T\/L3. Never connect mains utility voltage to the motor output terminals U, V, and W.\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; margin-right: 0.75rem; flex-shrink: 0; font-weight: bold;\"\u003e3\u003c\/div\u003e\n  \u003cdiv style=\"color: #2d3748;\"\u003eVerify that all ground connections are terminated securely using a dedicated earth terminal. Use shielded control cables for all analog and digital reference wiring to prevent electromagnetic noise interference.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102152515947,"sku":"FR-A820-0.75k","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/FR-A820-0.75k-wraxi0yro51.png?v=1776137433","url":"https:\/\/www.plcprotech.com\/products\/mitsubishi-electric-fr-a820-0-75k-freqrol-a800-high-performance-inverter","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}