{"product_id":"mitsubishi-electric-fr-a840-5-5k-1-fr-a800-series-variable-frequency-drive","title":"FR-A840-5.5K-1 | MITSUBISHI | Variateur de vitesse\/fréquence (VSD\/VFD) \/ Onduleur","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eManaging heavy-duty motor operations requires precise speed regulation and high torque response. The Mitsubishi Electric FR-A840-5.5K-1 variable frequency drive delivers exceptional vector control and real-time sensorless control for three-phase induction and permanent magnet motors. This inverter is engineered for highly demanding automation layouts, providing reliable performance, structural durability, and multi-protocol network capabilities within a compact chassis.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003e\n\u003cstrong\u003eAdvanced Vector Control:\u003c\/strong\u003e Supports real-time sensorless vector control and closed-loop vector control for high-accuracy positioning and speed stability.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003e\n\u003cstrong\u003eBuilt-In PLC Functionality:\u003c\/strong\u003e Allows localized logic processing and sequence control directly inside the drive without an external controller.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003e\n\u003cstrong\u003eComprehensive Network Integration:\u003c\/strong\u003e Native RS-485 serial interfaces with support for Modbus-RTU, alongside expansion capabilities for CC-Link, Profibus-DP, and EtherCAT.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003e\n\u003cstrong\u003eEnergy-Saving Algorithms:\u003c\/strong\u003e Optimum excitation control continuously monitors load conditions to minimize energy consumption during operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eIndustrial fan and ventilation fan control.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eCentrifugal and positive displacement pump systems.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eConveyor networks and automated material handling equipment.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eExtruders, mixers, and heavy machinery requiring high starting torque.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\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    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold; width: 40%;\"\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-A840-5.5K-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;\"\u003eApplicable Motor Capacity\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e5.5 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 AC (380 to 500 V at 50\/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;\"\u003eOutput Rated Voltage\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eThree-phase 380 to 500 V AC\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 Rated Current\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003e12 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;\"\u003e9.1 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;\"\u003eSerial 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;\"\u003eEnclosure Protection Class\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eIP20\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;\"\u003eStandards\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eCE, UL, cUL\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 (H x W x D)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e260 mm x 220 mm x 170 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 (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e8.0 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\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;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0; text-align: left;\"\u003e\n        \u003cth style=\"padding: 0.75rem; font-weight: bold;\"\u003eTerminal \/ Port\u003c\/th\u003e\n        \u003cth style=\"padding: 0.75rem; font-weight: bold;\"\u003eFunction \/ Circuit 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: 0.75rem; font-weight: bold;\"\u003eR\/L1, S\/L2, T\/L3\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eThree-phase AC power input\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;\"\u003eU, V, W\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eThree-phase AC output to induction\/PM motor\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;\"\u003eP\/+, PR\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eExternal brake resistor connection\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;\"\u003ePU Connector\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eRJ-45 port for parameter unit (FR-PU07) or RS-485 connection\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;\"\u003eSD, PC, 5\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eControl circuit common and power supply lines\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eAlternative Models \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe FR-A840-5.5K-1 belongs to the flagship A800 inverter range, succeeding the legacy FR-A740 series. While physical footprints are largely compatible, wiring terminal alignments differ slightly. Parameter migration from older installations is streamlined via the FR Configurator2 software, allowing automatic conversion of legacy registers to the newer, high-resolution parameters of the current platform.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eWhen mounting this drive within closed electrical panels, adequate ventilation is essential. Under continuous 12 A load conditions, heat dissipation can lead to thermal tripping if localized temperatures rise above 50 degC. Ensure a minimum clearance of 50 mm on both sides and 100 mm top and bottom. Avoid routing high-voltage motor output cables parallel to low-voltage sensor cables to prevent electromagnetic coupling.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eWhen using dynamic braking configurations, ensure that the parameter settings for brake deceleration duty cycles match the thermal ratings of the external resistors. Always connect a dedicated ground wire directly from the drive's ground terminal to the main system ground bus to mitigate leakage currents and transient voltage spikes.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; margin-top: 1.5rem; margin-bottom: 0.5rem;\"\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:\u003c\/p\u003e\n  \u003cp style=\"margin: 0; color: #9b2c2c;\"\u003eDe-energize all primary and secondary power sources prior to installation. Internal main circuit capacitors hold highly lethal residual voltage. Wait a minimum of 10 minutes after disconnecting power, and verify that the charge LED indicator has extinguished before touching any terminals or wiring structures.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: center; margin-bottom: 1rem;\"\u003e\n  \u003cspan style=\"display: flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; font-weight: bold; margin-right: 0.75rem; flex-shrink: 0;\"\u003e1\u003c\/span\u003e\n  \u003cp style=\"margin: 0; color: #2d3748;\"\u003eMount the drive vertically to flat, solid surfaces in a well-ventilated enclosure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; margin-bottom: 1rem;\"\u003e\n  \u003cspan style=\"display: flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; font-weight: bold; margin-right: 0.75rem; flex-shrink: 0;\"\u003e2\u003c\/span\u003e\n  \u003cp style=\"margin: 0; color: #2d3748;\"\u003eConnect three-phase input power lines to R\/L1, S\/L2, and T\/L3 terminals. Do not apply input power to output terminals.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; margin-bottom: 1rem;\"\u003e\n  \u003cspan style=\"display: flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; font-weight: bold; margin-right: 0.75rem; flex-shrink: 0;\"\u003e3\u003c\/span\u003e\n  \u003cp style=\"margin: 0; color: #2d3748;\"\u003eWire motor leads to U, V, and W terminals using shielded, low-impedance cabling.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; align-items: center; margin-bottom: 1.5rem;\"\u003e\n  \u003cspan style=\"display: flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; width: 28px; height: 28px; border-radius: 50%; font-weight: bold; margin-right: 0.75rem; flex-shrink: 0;\"\u003e4\u003c\/span\u003e\n  \u003cp style=\"margin: 0; color: #2d3748;\"\u003eSecure all cover plates, apply power, and initiate the motor parameter auto-tuning function through the keypad.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102122795371,"sku":"FR-A840-5.5K-1","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/fr-a840-5.5k-1-dvaiut0cxn5.png?v=1776137472","url":"https:\/\/www.plcprotech.com\/fr\/products\/mitsubishi-electric-fr-a840-5-5k-1-fr-a800-series-variable-frequency-drive","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}