{"product_id":"mitsubishi-electric-fr-a840-00770-2-60-fr-a800-variable-frequency-drive","title":"Mitsubishi Electric FR-A840-00770-2-60 FR-A800 Variable Frequency Drive","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eSpeed and torque precision across heavy-duty industrial applications are driven by the \u003cstrong\u003eMitsubishi Electric FR-A840-00770-2-60\u003c\/strong\u003e variable frequency drive. Operating on a \u003cstrong\u003e400V class\u003c\/strong\u003e three-phase supply, this high-performance inverter from the premier \u003cstrong\u003eFR-A800 series\u003c\/strong\u003e delivers optimized motor control utilizing advanced vector regulation algorithms. The unit features standard \u003cstrong\u003e3C2 conformal circuit board coating\u003c\/strong\u003e to ensure exceptional reliability in harsh, corrosive environments, paired with an integrated EMC filter (-2 CA designation) to suppress electromagnetic interference.\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\u003e\n\u003cstrong\u003eAdvanced Real Sensorless Vector (RSV):\u003c\/strong\u003e Achieves high-torque, highly responsive speed control without requiring an external encoder.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Rating Architecture:\u003c\/strong\u003e Supports Super Light Duty (SLD), Light Duty (LD), and Normal Duty (ND) calibration modes to match variable load profiles.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConformal Coating Protection:\u003c\/strong\u003e Circuit boards are treated with 3C2 protective layer (IEC 60721-3-3) to resist humidity, dust, and chemical vapors.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Safety Functionality:\u003c\/strong\u003e Dual-channel emergency stop circuit complying with SIL3 and PL e safety standards.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In PLC Programming:\u003c\/strong\u003e Allows users to run custom control algorithms and basic automation sequences directly inside the drive processor.\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\u003eContinuous material handling and heavy-duty conveyor networks.\u003c\/li\u003e\n  \u003cli\u003eIndustrial hoist, gantry, and crane hoist control systems.\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty positive displacement pumps and high-pressure extrusion machinery.\u003c\/li\u003e\n  \u003cli\u003eAutomated fan control systems in harsh-environment HVAC and mining operations.\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; text-align: left;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #1a365d;\"\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold;\"\u003eSpecification Parameter\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; 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-A840-00770-2-60\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eInverter Series\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eFR-A800 Series\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 380V to 500V AC, 50\/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 (Super Light Duty)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e77 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;\"\u003eLD Rated Current (Light Duty)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e62 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;\"\u003eND Rated Current (Normal Duty)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e57 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;\"\u003eStructure \u0026amp; Functionality\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eStandard Model\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eCircuit Board Coating\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eConformal Coated (3C2), Non-Plated Conductor\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 Protection Rating\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eIP00 (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;\"\u003eCooling Method\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eForced Air Cooling\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eNet Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e23.0 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;\"\u003e28.0 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;\"\u003eCountry of Origin\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eJapan\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-A840-00770-2-60 serves as a direct engineering upgrade for the legacy FR-A740-00770 VFD units. Control parameters and macro programs can be migrated smoothly using Mitsubishi FR Configurator2 software. However, physical terminal block profiles and dimension mounting patterns differ slightly; when retrofitting older enclosures, verify clearance depths and terminal adapter requirements.\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 drive under heavy start-stop cycles (ND ratings), thermal accumulation in the internal transistor modules can accelerate. Always size the enclosure ventilation assuming continuous output dissipation at 40 degC ambient. If operations exceed 40 degC, linear current derating curves must be strictly programmed into the thermal protection parameters.\u003c\/p\u003e\n\n\u003ch4\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eTo ensure EMC directive compliance, ensure the internal EMC filter grounding jumper is fully engaged. Grounding should utilize a flat, braided copper ground strap directly bonded to the backplate. Standard round wire conductors can exhibit high impedance to high-frequency carrier-wave noise, leading to phantom faults on nearby low-voltage analog signal lines.\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; border-radius: 4px;\"\u003e\n  \u003cp style=\"color: #9b2c2c; font-weight: bold; margin: 0 0 0.5rem 0;\"\u003eCRITICAL SAFETY WARNING\u003c\/p\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0; font-size: 0.95rem;\"\u003eRisk of electric shock and stored energy hazard. Always de-energize the incoming three-phase supply lines before handling wiring connections. Wait at least 10 minutes post-power down for the DC-bus capacitors to completely discharge. Verify the DC bus voltage reads 0V using a calibrated digital multimeter at the terminal terminals before starting work.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 1rem; color: #2d3748;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv 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\/div\u003e\n    \u003cp style=\"margin: 0; padding-top: 2px;\"\u003eMount the inverter vertically to a rigid, non-flammable vertical backplate inside an industrial panel, ensuring minimum top and bottom clearances of 100mm for optimal convection 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: 28px; height: 28px; 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: 2px;\"\u003eConnect the main three-phase AC power input lines to supply terminals R\/L1, S\/L2, and T\/L3. Connect the three-phase motor leads to output terminals U, V, and W.\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: 28px; height: 28px; 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: 2px;\"\u003eRoute low-voltage control signals, analog speed references, and communications through shielded twisted-pair (STP) wiring channels separate from main AC and motor cabling.\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: 28px; height: 28px; 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: 2px;\"\u003ePerform initial power-up. Navigate the PU keypad controller interface to input fundamental motor parameters, maximum operating frequency, acceleration\/deceleration ramps, and designated overload trip values.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102126727531,"sku":"FR-A840-00770-2-60","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/FR-A840-00770-2-60-auqp44a4wky.png?v=1776137452","url":"https:\/\/www.plcprotech.com\/tr\/products\/mitsubishi-electric-fr-a840-00770-2-60-fr-a800-variable-frequency-drive","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}