{"product_id":"mitsubishi-electric-fr-a740-1-5k-cht-fr-a700-series-inverter","title":"Mitsubishi Electric FR-A740-1.5K-CHT FR-A700 Series Inverter","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eEngineered to deliver high-performance motor control in demanding industrial environments, the \u003cstrong\u003eMitsubishi Electric FR-A740-1.5K-CHT\u003c\/strong\u003e variable frequency drive operates as a robust 3-phase speed and torque controller. Incorporating advanced vector control algorithms, this drive ensures exceptional dynamic response and steady-state speed accuracy for induction motors. The \u003cstrong\u003eFR-A740-1.5K-CHT\u003c\/strong\u003e is built to withstand rigorous operating conditions, featuring integrated safety functions, a built-in programming terminal, and regional optimization parameters that streamline integration within standard automation systems.\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: 1.25rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReal-Time Sensorless Vector Control:\u003c\/strong\u003e Achieves high torque at ultra-low operating speeds without requiring an encoder feedback loop.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in PLC Functionality:\u003c\/strong\u003e Allows users to program custom control logic and sequence operations directly within the drive, reducing external controller hardware dependencies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized Thermal Performance:\u003c\/strong\u003e Equipped with dual internal cooling fans and premium varnished circuit boards to resist dust, humidity, and corrosive atmosphere.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnergy-Saving Optimization:\u003c\/strong\u003e Implements adaptive flux control to minimize motor excitation currents under partial load states, reducing energy consumption.\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: 1.25rem;\"\u003e\n  \u003cli\u003eHeavy-duty conveyor lines and bulk material handling systems.\u003c\/li\u003e\n  \u003cli\u003eIndustrial fan, blower, and centripetal pump flow regulation.\u003c\/li\u003e\n  \u003cli\u003eMachine tool spindles, high-speed mixers, and extruders requiring stable torque limits.\u003c\/li\u003e\n  \u003cli\u003eAutomated packaging machinery and process control systems.\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 #2b6cb0;\"\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; 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;\"\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-A740-1.5K-CHT\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-A700 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;\"\u003eApplicable Motor Capacity\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e1.5 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;\"\u003eRated Output Current\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e4.0 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;\"\u003eRated Output Voltage\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e3-phase, 380 to 480 V AC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eInput Voltage Class\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eThree-phase 400V class\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003ePermissible AC Voltage Fluctuation\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e325 to 528 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;\"\u003eOverload Capacity\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e150% for 60 seconds, 200% for 3 seconds (at 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;\"\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;\"\u003eCooling System\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;\"\u003eControl Circuit Terminal Screws\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eM3 x 35 mm\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;\"\u003e5.0 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;\"\u003ePackage Dimensions (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e270 x 190 x 180 mm\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; text-align: left;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0;\"\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold;\"\u003eTerminal Marker\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold;\"\u003eFunction 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;\"\u003eR\/L1, S\/L2, T\/L3\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eMain 3-phase AC power 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;\"\u003eU, V, W\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e3-phase AC motor output connections\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eP\/+, PR\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eBrake resistor external connection 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;\"\u003eSTF, STR\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eForward and Reverse start signal inputs\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;\"\u003eCommon terminal for contact input signals\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, 2, 5\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eAnalog input terminals for voltage speed setting\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eAlternative Models \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe \"CHT\" designation identifies models specifically optimized for Asian market profiles. It offers full physical and functional interchangeability with standard EU\/US versions like the FR-A740-1.5K-NA. When migrating from older FR-A540 series systems, ensure parameter adaptations are executed to align with the higher resolution of the FR-A740 control loop.\u003c\/p\u003e\n\n\u003ch3\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eIn low-speed operations under heavy loads (less than 20 Hz), standard self-cooled motors cannot dissipate heat efficiently. For continuous low-speed operations, configure thermal motor protection parameter Pr. 9 for a constant-torque motor or deploy an auxiliary blower. Keep enclosure internal temperatures below 50 Celsius to prevent premature thermal derating of the internal DC bus capacitor banks.\u003c\/p\u003e\n\n\u003ch3\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eTo eliminate stray capacitive leakage currents in installations with cable runs exceeding 30 meters, reduce the carrier frequency using parameter Pr. 72. Ground the inverter separately using a dedicated grounding line with a resistance of 10 ohms or less, and run signal wires separate from the main power lines by at least 10 cm to prevent electrical noise coupling.\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; color: #9b2c2c;\"\u003e\n  \u003cstrong\u003eCRITICAL WARNING:\u003c\/strong\u003e Ensure all incoming AC lines are fully de-energized prior to terminal access. Wait a minimum of 10 minutes after disconnecting power to allow internal bus capacitors to bleed residual charge. Verify that the internal red charge lamp is completely extinguished, and test DC bus terminals P\/+ to N\/- with a verified voltmeter to ensure voltage is under 30 V DC before commencing work.\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 0.75rem; flex-shrink: 0;\"\u003e1\u003c\/div\u003e\n  \u003cp style=\"color: #2d3748; margin: 0;\"\u003eMount the inverter vertically against a non-combustible steel panel to allow optimal convection airflow over the rear heatsinks.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 0.75rem; flex-shrink: 0;\"\u003e2\u003c\/div\u003e\n  \u003cp style=\"color: #2d3748; margin: 0;\"\u003eConnect ground lines to the PE terminal before establishing main line power routing to U, V, and W output stages.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 0.75rem; flex-shrink: 0;\"\u003e3\u003c\/div\u003e\n  \u003cp style=\"color: #2d3748; margin: 0;\"\u003eTorque all power terminal block connections securely to the specified OEM torque limits to mitigate high-resistance thermal junctions.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102230733163,"sku":"FR-A740-1.5K-CHT","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/fr-a740-1.5k-cht-01oesm1q0bz.png?v=1776137426","url":"https:\/\/www.plcprotech.com\/fa\/products\/mitsubishi-electric-fr-a740-1-5k-cht-fr-a700-series-inverter","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}