{"product_id":"mitsubishi-electric-fr-a740-2-2k-cht-fr-a700-series-variable-frequency-drive","title":"Mitsubishi Electric FR-A740-2.2K-CHT FR-A700 Series Variable Frequency Drive","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eRegulating industrial motor speed with exceptional torque control, the \u003cstrong\u003eMitsubishi Electric FR-A740-2.2K-CHT\u003c\/strong\u003e is a high-performance three-phase 400V variable frequency drive designed for heavy-duty applications. Part of the robust \u003cstrong\u003eFR-A700 Series\u003c\/strong\u003e, this 2.2 kW (3 HP) inverter features advanced magnetic flux vector control and real sensorless vector control, ensuring stable speed regulation even at ultra-low frequencies. Engineered to survive harsh manufacturing environments, it serves as an essential automation component for precise machinery synchronization, fan\/pump speed regulation, and torque-limiting applications.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReal Sensorless Vector Control (RSV):\u003c\/strong\u003e Achieves high-accuracy torque and speed control without requiring an encoder feedback interface.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOffline Auto-Tuning:\u003c\/strong\u003e Automatically characterizes motor parameters to maximize performance across different motor brands.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Modbus RTU:\u003c\/strong\u003e Integrated RS-485 serial communication port supports standard industrial networking protocols.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong-Life Design:\u003c\/strong\u003e Utilizes specialized cooling fans and capacitors rated for extended service lifetimes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated PLC Functionality:\u003c\/strong\u003e Allows custom logic control processing directly inside the drive using GX Developer software.\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; padding-left: 1.5rem;\"\u003e\n  \u003cli\u003eConveyors and material handling distribution systems requiring high starting torque.\u003c\/li\u003e\n  \u003cli\u003eIndustrial fan, blower, and exhaust ventilation systems.\u003c\/li\u003e\n  \u003cli\u003eCentrifugal pumps, booster stations, and fluid processing facilities.\u003c\/li\u003e\n  \u003cli\u003eMachine tool spindles, textile winding machines, and packaging equipment.\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;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #1a365d;\"\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold;\"\u003eSpecification Parameter\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold;\"\u003eValue \/ Rating\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: 10px; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eMitsubishi Electric\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eFR-A740-2.2K-CHT\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eProduct Series\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eFR-A700 (A740 Class)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eInput Voltage \/ Frequency\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e3-Phase 380 to 480 V AC, 50Hz \/ 60Hz\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eApplicable Motor Capacity\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e2.2 kW (3 Horsepower)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eOutput Current Rating\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e6.0 A (LD) \/ 5.0 A (HD)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eOutput Frequency Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e0.2 to 400 Hz\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eControl Modes Available\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eV\/F Control, Advanced Magnetic Flux Vector Control, Real Sensorless Vector Control\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eEnclosure Rating\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eIP20 (Open Type)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eAmbient Operating Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: -10degC;\"\u003e-10 to 50 degC (non-freezing)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eTerminal Screw Size\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eM3 x 35 mm (Control terminals)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e4.0 kg (8.82 lbs)\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eEmpirical Engineering Insights\u003c\/h3\u003e\n\u003ch4 style=\"color: #1a365d; margin-top: 1rem; margin-bottom: 0.5rem;\"\u003eAlternative Models \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe FR-A740-2.2K-CHT serves as a direct upgrade to the older FR-A540-2.2K series. For facilities transitioning to the newer FR-A840 series, the FR-A840-00126-2.6K is the designated replacement. When migrating configuration parameters, use the FR Configurator software to import and convert parameter tables seamlessly, but pay special attention to the terminal block mapping if relying on built-in PLC functions.\u003c\/p\u003e\n\n\u003ch4 style=\"color: #1a365d; margin-top: 1rem; margin-bottom: 0.5rem;\"\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eIn high-inertia fan applications, decelerating too rapidly can generate regenerative energy back into the drive, triggering an \u003cstrong\u003eE.OV3\u003c\/strong\u003e (Overvoltage during deceleration) safety fault. To prevent downtime under high-inertia loads, integrate a dedicated external braking resistor (FR-ABR-H2.2K) and ensure parameter 30 (Regenerative function selection) is configured correctly.\u003c\/p\u003e\n\n\u003ch4 style=\"color: #1a365d; margin-top: 1rem; margin-bottom: 0.5rem;\"\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eAlways route the control signal wiring (using shielded twisted pair cables) completely separate from the main motor and power input lines to mitigate electro-magnetic interference (EMI). Terminal connections for control logical inputs are secure-clamp style; avoid using bare stranded copper wires without crimp ferrules, as this can lead to intermittent feedback signals.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 15px; margin-bottom: 1.5rem;\"\u003e\n  \u003cstrong style=\"color: #9b2c2c; display: block; margin-bottom: 5px;\"\u003eCRITICAL ELECTRICAL WARNING\u003c\/strong\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0;\"\u003eIsolate and lock out all AC main line input feeds before attempting terminal wiring or mounting procedures. Internal DC-bus capacitors retain high-voltage charge after de-energization. Wait at least 10 minutes and verify with a reliable multimeter that the voltage across terminals P\/+ and N\/- is below 30 V DC before initiating hands-on physical contact.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 15px; margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 10px;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e1\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003e\u003cstrong\u003eEnclosure Mounting:\u003c\/strong\u003e Mount the inverter vertically onto a flat, non-flammable surface inside an electrical cabinet. Maintain a minimum horizontal spacing clearance of 50 mm and vertical clearance of 100 mm for unrestricted convective heat dissipation.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 10px;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e2\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003e\u003cstrong\u003ePower Connections:\u003c\/strong\u003e Connect the three-phase AC input supply to terminals R\/L1, S\/L2, and T\/L3. Connect the output motor terminals to U, V, and W. Ensure the grounding terminal (PE) is securely bonded to the plant ground grid.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 10px;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e3\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003e\u003cstrong\u003eStartup Initialization:\u003c\/strong\u003e Turn on the input power. Set Parameter 9 (Electronic thermal O\/L relay) to match the motor's rated plate current before executing any physical rotation tests.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102123876715,"sku":"FR-A740-2.2K-CHT","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/fr-a740-2.2k-cht-m2oq4hkegd1.png?v=1776137430","url":"https:\/\/www.plcprotech.com\/de\/products\/mitsubishi-electric-fr-a740-2-2k-cht-fr-a700-series-variable-frequency-drive","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}