{"product_id":"mitsubishi-electric-fr-a840-00250-2-60-fr-a800-series-variable-frequency-drive","title":"FR-A840-00250-2-60 | Mitsubishi Electric | Variateur FR-A800","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eEngineered for high-demand industrial speed and torque applications, the \u003cstrong\u003eMitsubishi Electric FR-A840-00250-2-60\u003c\/strong\u003e is a premium \u003cstrong\u003eFR-A800 Series\u003c\/strong\u003e variable frequency drive operating in the 400V voltage class. This standard-model inverter features specialized circuit board protective coating compliant with 3C2 specifications (without plated conductors) to ensure long-term reliability in corrosive, humid, or dusty environments. It supports advanced vector control methods to deliver precise motor dynamics for heavy-duty applications like cranes, extruders, and ventilation systems.\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: 20px;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConformal PCB Coating:\u003c\/strong\u003e Engineered with standard 3C2-rated circuit board coating to withstand high moisture, chemical exposure, and particulate accumulation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdvanced Vector Control:\u003c\/strong\u003e Supports real sensorless vector control and closed-loop vector control for absolute torque precision down to zero speed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Rating Capability:\u003c\/strong\u003e Optimizes sizing by allowing selection between Super Light Duty (SLD), Light Duty (LD), Normal Duty (ND), and Heavy Duty (HD) profiles.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in PLC Functionality:\u003c\/strong\u003e Program internal logic using Mitsubishi Electric developer software to manage local I\/O without an external controller.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComprehensive Safety:\u003c\/strong\u003e Integrated safe torque off (STO) safety terminals comply with SIL 2 \/ PL d standards.\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: 20px;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Handling:\u003c\/strong\u003e Dynamic hoist control, crane gantry synchronization, and heavy-duty conveyor systems requiring high starting torque.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProcess Pumps \u0026amp; Compressors:\u003c\/strong\u003e Variable flow management under fluctuating load profiles in chemical processing and water treatment facilities.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExtruders and Mixers:\u003c\/strong\u003e High-inertia load management with precise speed holding under varying material viscosity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMetalworking and Tensioning:\u003c\/strong\u003e Precise torque limitation and winding\/unwinding control loops.\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 #2b6cb0; text-align: left;\"\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; 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: 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 Code\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eFR-A840-00250-2-60\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eSeries\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eFR-A800\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eVoltage Class\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e400 V Class (3-phase 380 to 500 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;\"\u003eSLD Rated Current\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e25.0 A\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 Method\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eV\/F Control, Advanced Magnetic Flux Vector, Real Sensorless Vector\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003ePCB Coating Type\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eConformally Coated (Class 3C2), without plated conductor (-60)\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;\"\u003eOperating Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e-10 degC 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;\"\u003eDevice Net Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e6.7 kg\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;\"\u003e9.0 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eControl Terminals \u0026amp; Wiring Assignments\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 #2b6cb0; text-align: left;\"\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold;\"\u003eTerminal Symbol\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold;\"\u003eTerminal Name\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold;\"\u003eFunctional Description\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;\"\u003eSTF\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eForward Rotation Start\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eTurn ON STF to start forward rotation; turn OFF to decelerate and stop.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eSTR\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eReverse Rotation Start\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eTurn ON STR to start reverse rotation; turn OFF to decelerate and stop.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eSD\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eContact Input Common\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eCommon terminal for contact input signals (sink logic standard).\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003e10\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eFrequency Setting Power Supply\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eDC 10V output for analog speed reference potentiometers.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003e2\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eFrequency Setting (Voltage)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eDC 0 to 5V or 0 to 10V analog speed command input.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003e4\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eFrequency Setting (Current)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e4 to 20 mA DC analog speed command input.\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\u003eAlternative Models \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe FR-A840-00250-2-60 is directly backward compatible with older FR-A740-00250-EC installations. Users migrating to the FR-A800 series must utilize FR Configurator2 to convert parameter settings, ensuring torque boost and motor tuning values map correctly to the updated algorithm structure.\u003c\/p\u003e\n\n\u003ch4\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eWhen utilizing this inverter in closed cabinets, account for the 6.7 kg thermal footprint. Adequate airflow clearance must be maintained: 5 cm on both sides and 10 cm above\/below the unit. Operating in temperatures exceeding 40 degC requires carrier frequency derating via Parameter 72 to prevent overtemperature tripping (E.THT or E.FIN).\u003c\/p\u003e\n\n\u003ch4\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eEnsure that all analog control signals (terminals 2, 4, and 10) are wired with shielded, twisted-pair cables. Ground the shield exclusively at the drive-end SD terminal to prevent ground loops. Never route motor output leads (U, V, W) in the same conduit as control or communications cables.\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; color: #9b2c2c;\"\u003e\n  \u003cstrong\u003eCRITICAL WARNING:\u003c\/strong\u003e Ensure main input line power (R\/L1, S\/L2, T\/L3) is completely de-energized and locked out before attempting installation or maintenance. Wait a minimum of 10 minutes post-power-down for the DC bus capacitors to discharge. Verify the DC voltage across terminals P\/+ and N\/- is below 30V using a calibrated digital multimeter before handling terminals.\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 15px; margin-bottom: 1.5rem; color: #2d3748;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 12px;\"\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=\"margin: 0; padding-top: 3px;\"\u003eMount the inverter vertically to a flat, rigid metal backplate to ensure optimal heat dissipation and grounding path efficiency.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 12px;\"\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=\"margin: 0; padding-top: 3px;\"\u003eConnect the protective earth (PE) terminal to the system ground busbar using low-impedance braided strap or green-and-yellow grounding conductor.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 12px;\"\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=\"margin: 0; padding-top: 3px;\"\u003eWire the three-phase AC input to R\/L1, S\/L2, T\/L3, and connect the motor leads to U, V, and W. Do not install a power factor correction capacitor on the output side.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 12px;\"\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;\"\u003e4\u003c\/span\u003e\n    \u003cp style=\"margin: 0; padding-top: 3px;\"\u003eEstablish control wiring loop via standard sink logic or switch to source logic configuration utilizing the internal jumper block as specified by system drawings.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102124007787,"sku":"FR-A840-00250-2-60","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/fr-a840-00250-2-60-00la1xob3g0.png?v=1776137444","url":"https:\/\/www.plcprotech.com\/fr\/products\/mitsubishi-electric-fr-a840-00250-2-60-fr-a800-series-variable-frequency-drive","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}