{"product_id":"mitsubishi-electric-fr-a740-15k-fr-a700-variable-frequency-drive","title":"Mitsubishi Electric FR-A740-15K FR-A700 Variable Frequency Drive","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eProviding high-performance vector control for heavy-duty industrial applications, the \u003cstrong\u003eMitsubishi Electric FR-A740-15K\u003c\/strong\u003e frequency inverter delivers precise motor regulation across demanding operational profiles. This variable frequency drive (VFD) from the \u003cstrong\u003eFR-A700 Series\u003c\/strong\u003e is engineered for complex systems requiring high torque, exceptional speed accuracy, and advanced motor control dynamics. Operating on a \u003cstrong\u003e400V class\u003c\/strong\u003e three-phase input, it handles a nominal motor output of \u003cstrong\u003e15 kW\u003c\/strong\u003e, making it a reliable component in heavy machinery, extrusion lines, cranes, and continuous manufacturing systems.\u003c\/p\u003e\n\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eEquipped with Real Sensorless Vector (RSV) control and advanced vector control algorithms, the drive achieves outstanding speed and torque performance without requiring encoder feedback. The integrated PLC functionality allows users to customize control sequences directly within the inverter, reducing external hardware overhead and simplifying system integration.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 20px; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReal Sensorless Vector Control:\u003c\/strong\u003e Achieves high torque at ultra-low speeds (200% at 0.3 Hz) for high-inertia start-up profiles.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimum Excitation Control:\u003c\/strong\u003e Automatically adjusts the excitation current to maximize motor efficiency, reducing energy consumption under partial loads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in PLC Programming:\u003c\/strong\u003e Enables customized logic and automated control loops via Mitsubishi's software environment, bypassing the need for an external micro-PLC.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdvanced Torque Limiters:\u003c\/strong\u003e Protects mechanical drivetrains with fast, highly responsive 4-quadrant torque limitation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUSB Port Integration:\u003c\/strong\u003e Front-mounted interface for swift configuration, diagnostics, and parameter backup using FR Configurator software.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 20px; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHoists and Cranes:\u003c\/strong\u003e High-starting torque and mechanical brake control linkage ensure safe and smooth vertical transitions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExtruders and Mixers:\u003c\/strong\u003e Provides stable speed regulation under fluctuating viscosity loads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCentrifuges and Fans:\u003c\/strong\u003e Energy-efficient operation through optimized excitation and smooth deceleration control.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConveyor Networks:\u003c\/strong\u003e Precise multi-drive speed synchronization prevents physical product damage and belt wear.\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; border: 1px solid #e2e8f0;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0;\"\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold;\"\u003eValue \/ Specification\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; border-right: 1px solid #e2e8f0;\"\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; border-right: 1px solid #e2e8f0;\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eFR-A740-15K\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eInverter Series\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eFR-A700\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eVoltage Class\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e400V Class (Three-Phase 380 to 480 VAC, 50\/60 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; border-right: 1px solid #e2e8f0;\"\u003ePermissible AC Voltage Fluctuation\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e323 to 528 VAC (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; border-right: 1px solid #e2e8f0;\"\u003eApplicable Motor Capacity\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e15 kW\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eRated Output Current\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e31 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; border-right: 1px solid #e2e8f0;\"\u003eOverload Current Rating\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e150% 60 seconds, 200% 3 seconds (at ambient temperature of 50 degC)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\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; border-right: 1px solid #e2e8f0;\"\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; border-right: 1px solid #e2e8f0;\"\u003eNet Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e7.5 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; border-right: 1px solid #e2e8f0;\"\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\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; border: 1px solid #e2e8f0;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0;\"\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eTerminal Group\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: bold;\"\u003eFunctional 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: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eR\/L1, S\/L2, T\/L3\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eMain 3-phase AC power supply input 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; border-right: 1px solid #e2e8f0;\"\u003eU, V, W\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e3-phase AC output connections to the induction motor.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eP\/+, PR\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eConnection terminal for optional external brake resistor.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; border-right: 1px solid #e2e8f0;\"\u003eSTF \/ STR\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eForward rotation start \/ Reverse rotation start 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; border-right: 1px solid #e2e8f0;\"\u003e10, 2, 5\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eAnalog input terminals (0 to 10 VDC, 4 to 20 mA) for external frequency references.\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;\"\u003eWhen migrating or sourcing drop-in replacements, note that the FR-A740-15K shares functional equivalents within the newer \u003cstrong\u003eFR-A840-00380-E2-60\u003c\/strong\u003e (A800 series). Parameter transfer from the A700 to the A800 series can be automated via the FR Configurator2 software. However, verify terminal assignment modifications, as the control terminal blocks differ in wiring entry formats (screw terminals on the A700 vs. spring clamp terminals on the A800).\u003c\/p\u003e\n\n\u003ch4\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eIf operating in high ambient conditions (above 40 degC), the carrier frequency should be adjusted downward (Parameter 72) to prevent premature thermal overcurrent faults (E.THT). Avoid continuous operation below 6 Hz without supplementary external motor cooling fan kits, as standard self-cooled motors will experience severe thermal degradation at reduced speeds due to diminished internal fan velocity.\u003c\/p\u003e\n\n\u003ch4\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eAlways ensure that Parameter 9 (Electronic Thermal O\/L Relay) is set to match the nameplate current of the connected motor; the factory default corresponds to the maximum rating of the VFD and may fail to protect smaller motors. Install control signals using shielded twisted-pair cables with the shield grounded only at the drive end (Terminal 5) to mitigate electromagnetic interference in analog circuits.\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  \u003cstrong style=\"color: #9b2c2c; display: block; margin-bottom: 0.5rem;\"\u003eCRITICAL WARNING: HIGH VOLTAGE HAZARD\u003c\/strong\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0;\"\u003eIsolate all input AC power before performing any terminal modifications or inspection routines. Wait a minimum of 10 minutes after physical power disconnection for the internal DC-bus capacitors to fully discharge. Verify that the DC-bus voltage between terminals P\/+ and N\/- is below 45 VDC using a calibrated digital multimeter before proceeding with touch operations.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; width: 30px; height: 30px; 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; padding-top: 3px;\"\u003eMount the inverter vertically inside an IP54 enclosure if the environment is dusty or humid, ensuring a minimum clearance of 10 cm above and below the unit for unobstructed heat dissipation.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; width: 30px; height: 30px; 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; padding-top: 3px;\"\u003eEnsure the physical ground connection meets standard industrial safety requirements (Earth resistance under 10 ohms). Use a thick copper protective conductor connected to the drive's PE terminal.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; width: 30px; height: 30px; 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; padding-top: 3px;\"\u003eConfirm that power cable routing is physically separated from control and encoder feedback signaling paths to minimize capacitive coupling noise.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102134362475,"sku":"FR-A740-15K","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/FR-A740-15K-ysl3ztalo1i.png?v=1776137430","url":"https:\/\/www.plcprotech.com\/tr\/products\/mitsubishi-electric-fr-a740-15k-fr-a700-variable-frequency-drive","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}