{"product_id":"mitsubishi-electric-fr-a840-30k-1-fr-a800-series-variable-frequency-drive","title":"Variateur de fréquence Mitsubishi Electric FR-A840-30K-1 série FR-A800","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eDirecting high-capacity three-phase motor applications, the Mitsubishi Electric FR-A840-30K-1 variable frequency drive provides precise velocity and torque regulation for industrial drivetrains. Built on the high-performance FR-A800 architecture, this inverter is designed to drive standard induction motors and permanent magnet synchronous motors alike. The configuration includes an \u003cstrong\u003eFM pulse train terminal\u003c\/strong\u003e for accurate physical feedback loops, integrated \u003cstrong\u003eRS-485\/422\/232 serial communications\u003c\/strong\u003e, and standard compliance ratings for global heavy-industry deployments.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli\u003eReal sensorless vector control and advanced vector control for precise torque limitation at zero speed.\u003c\/li\u003e\n  \u003cli\u003eFM control terminal configuration delivering high-resolution pulse train tracking outputs.\u003c\/li\u003e\n  \u003cli\u003eBuilt-in Modbus-RTU and standard serial protocols for direct automation system integration.\u003c\/li\u003e\n  \u003cli\u003eLong-life cooling fans and capacitors with automated diagnostic maintenance warnings.\u003c\/li\u003e\n  \u003cli\u003eHigh-speed response capabilities to absorb sudden mechanical load changes.\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\u003eIndustrial fan, blower, and high-volume ventilation systems.\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty conveyancing, material handling, and material transfer networks.\u003c\/li\u003e\n  \u003cli\u003eCentrifugal pumps, positive displacement pumps, and process control fluids piping.\u003c\/li\u003e\n  \u003cli\u003eExtruder drives, mixers, and industrial processing machinery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications Table\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    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold; width: 35%;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eMitsubishi Electric\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eFR-A840-30K-1\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eSeries\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eFR-A800\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eApplicable Motor Capacity\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e30 kW\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eInput Voltage Class\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eThree-phase 400 V Class\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eRated Input Power Supply\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eThree-phase 380 to 500 V AC, 50 Hz \/ 60 Hz\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eRated Output Current\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e57 A\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eOutput Capacity\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e43 kVA\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eExternal Communications\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eRS-232, RS-422, RS-485\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eControl Terminal Layout\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eFM Term (Pulse Train Output)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eSafety\/Compliance Standards\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eCE, UL, cUL, RoHS (Grade 6)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eDimensions (W x H x D)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e325 mm x 550 mm x 195 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eShipping Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 24 kg;\"\u003e24 kg\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\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003e\u003cstrong\u003eAlternative Models \u0026amp; Compatibility:\u003c\/strong\u003e The FR-A840-30K-1 directly replaces older FR-A740-30K models but features a modified terminal orientation. When migrating from the A740 series, control terminal locations should be verified against updated layouts. Note that the '-1' suffix indicates an FM terminal configuration (pulse train monitoring) instead of the AM terminal (analog voltage monitoring) found on other regional variations.\u003c\/p\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003e\u003cstrong\u003eApplication Pitfalls \u0026amp; Engineering Notes:\u003c\/strong\u003e Operating at its nominal 57 A output in high-ambient environments can degrade internal components. If housing the VFD in a sealed IP54 control cabinet, external heat exchangers must be sized to dissipate thermal loads generated by the drive’s full-capacity operation. If the motor is operated continuously at low speeds and high torque, external force-cooling on the motor must be implemented to prevent thermal faults.\u003c\/p\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003e\u003cstrong\u003eCommissioning \u0026amp; Wiring Tips:\u003c\/strong\u003e Ensure parameters such as Pr. 291 (Pulse train output selection) are properly assigned to route motor speed, current, or voltage telemetry output to your external controller. Ground loop prevention is critical when wiring the FM terminal to high-speed counters: use double-shielded twisted-pair cables with the shield grounded only on the inverter frame.\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  \u003cp style=\"margin: 0; font-weight: bold; color: #9b2c2c;\"\u003eCRITICAL WARNING: HIGH-VOLTAGE HAZARD\u003c\/p\u003e\n  \u003cp style=\"margin: 0.5rem 0 0 0; color: #9b2c2c; font-size: 0.95rem;\"\u003eDe-energize all primary incoming power sources before opening the cover. Wait at least 10 minutes to allow the internal DC bus capacitors to fully discharge. Verify that the DC voltage across terminals P\/+ and N\/- is below 20 VDC using a certified multimeter prior to commencing physical wiring or service work.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 1rem; color: #2d3748; margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 1.75rem; height: 1.75rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e1\u003c\/div\u003e\n    \u003cp style=\"margin: 0; padding-top: 0.15rem;\"\u003eMount the inverter vertically to a rigid, flat, heat-resistant panel. Ensure a minimum vertical clearance of 100 mm above and below the cooling ducts to maintain unrestricted airflow.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 1.75rem; height: 1.75rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e2\u003c\/div\u003e\n    \u003cp style=\"margin: 0; padding-top: 0.15rem;\"\u003eWire the three-phase AC input supply line to terminals R\/L1, S\/L2, and T\/L3. Never connect mains power to the output terminals.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 1.75rem; height: 1.75rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e3\u003c\/div\u003e\n    \u003cp style=\"margin: 0; padding-top: 0.15rem;\"\u003eRoute shielded motor cabling to output terminals U, V, and W. Bond the shield ground securely to the frame ground clamp on the drive.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 1.75rem; height: 1.75rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0;\"\u003e4\u003c\/div\u003e\n    \u003cp style=\"margin: 0; padding-top: 0.15rem;\"\u003eConnect control signals to the control terminal block, routing digital cables separately from the power and motor cables to prevent electromagnetic interference.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102123417963,"sku":"FR-A840-30K-1","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/fr-a840-30k-1-eqw2vcaxt4m.png?v=1776137470","url":"https:\/\/www.plcprotech.com\/fr\/products\/mitsubishi-electric-fr-a840-30k-1-fr-a800-series-variable-frequency-drive","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}