{"product_id":"delta-vfd037e43a-vfd-e-series-sensorless-vector-inverter-drive","title":"DELTA VFD037E43A Variateur vectoriel sans capteur série VFD-E","description":"\u003ch3\u003eVersatile Micro Drive Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eVFD037E43A (VFD037E43A)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a modular, high-efficiency sensorless vector inverter drive engineered by Delta within the adaptable VFD-E Series platform. Delivering a precise 3.7 kW power rating and a continuous output current of 11.2 Amps, this compact variable frequency drive is designed for low-to-medium horsepower industrial applications requiring flexible integration and high torque density. In demanding plant floor operations such as automated conveyor systems, industrial mixing machinery, textile spinning frames, and localized pump arrays, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eVFD037E43A\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esafeguards system continuity and drastically reduces unscheduled downtime through its built-in PLC features, flexible side-by-side mounting capability, and robust thermal performance. Its high-frequency output reach makes it an essential component for running specialized high-speed AC motors smoothly.\u003c\/p\u003e\n\u003ch3\u003eFunctional Integration \u0026amp; Modular Design Architecture\u003c\/h3\u003e\n\u003cp\u003eThe hardware topology of the VFD-E series is optimized for compact control layouts and localized customization:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModular Expansion Footprint:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDesigned with a flexible chassis that accepts plug-in expansion cards for fieldbus communications (including DeviceNet, Profibus-DP, and LonWorks) alongside extra I\/O blocks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEmbedded Micro-PLC Logic:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrates a built-in PLC execution layer (up to 500 steps), allowing the drive to handle localized relay interlocks, simple state machines, and sensor counting loops independently.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSide-by-Side Space Efficiency:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUtilizes a highly efficient thermodynamic design that allows multiple VFD-E units to be installed adjacent to each other on a single DIN rail, optimizing physical panel space.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible Feedback Options:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports sensorless vector control (SVC) for dynamic open-loop torque response, alongside standard configurable V\/f curves for basic multi-motor ventilation setups.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCritical Engineering Parameters\u003c\/h3\u003e\n\u003cp\u003eThe following specification data details the mechanical, electrical, and environmental limits verified for industrial equipment design:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eVFD037E43A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDELTA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTaiwan\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eControl Philosophy\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSensorless Vector Control (SVC), V\/f Control\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eApplicable Motor Power\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.7 kW (5.0 HP)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Voltage Class\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e460 V AC (3-phase, 50\/60 Hz nominal)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eContinuous Current Rating\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e11.2 Amps\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Frequency Spectrum\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 600 Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEnclosure Protection Class\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIP20\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-10 to 50 deg C (without derating)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMounting Configuration\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSymmetrical 35 mm DIN Rail or Wall Mount\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNet Hardware Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.50 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.00 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical Knowledge Base \u0026amp; Common Inquiries\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the primary precautions when utilizing the full 0 to 600 Hz output frequency range?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen driving specialized high-speed spindles or motors beyond standard 50\/60 Hz baselines, verify that the motor's mechanical bearings, rotor balancing, and cooling fan are rated for the targeted RPM. Additionally, as output frequency scales upward, the drive's voltage-to-frequency ratio must be properly adjusted to prevent core saturation or weak field-weakening performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the integrated flexible DC bus linkage optimize power consumption in multi-drive systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe VFD-E series supports common DC bus sharing. In multi-drive layouts where one motor is braking (regenerating energy, such as a decelerating hoist or unwind reel) and another is motoring (consuming energy), the regenerated power can be routed directly across the shared DC bus to the motoring drive. This reduces total utility consumption and minimizes the heat dissipated by external braking resistors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of internal protection does the drive provide against input power anomalies?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe drive incorporates comprehensive protective circuits, including overvoltage\/undervoltage tracking, input phase loss detection, ground fault protection, and electronic thermal motor overload monitoring (I2t calculation) to prevent internal IGBT damage from localized grid fluctuations.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Commissioning \u0026amp; Safety Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnclosure Thermal Spacing \u0026amp; Side-by-Side Limits:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhile the VFD-E platform supports high-density side-by-side mounting, ensure that the mechanical internal cabinet air temperature does not cross the 50 deg C limit. If installing drives directly adjacent to each other without gaps, remove the top dust covers from the IP20 housings to maximize natural convective airflow through the integrated cooling channels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower and Control Cabling Isolation Protocol:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRun all main incoming AC lines (R\/L1, S\/L2, T\/L3) and high-frequency PWM motor leads (U\/T1, V\/T2, W\/T3) in isolated metal conduits separated from low-voltage digital I\/O and analog command links by at least 100 mm. This structure eliminates high-frequency noise injection into sensitive 4-20mA or 0-10V sensor loops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLow-Impedance Frame Grounding:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBond the drive's dedicated ground terminal directly to the main cabinet earth ground copper bus using a heavy-gauge, low-impedance conductor. Avoid loop configurations or running ground lines through adjacent machinery, as a direct single-point star ground layout is required to suppress common-mode electrical currents generated by fast IGBT switching.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Delta Electronics","offers":[{"title":"Default Title","offer_id":53102407975275,"sku":"VFD037E43A","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/vfd037e43a-fvay5oujiub.png?v=1776138039","url":"https:\/\/www.plcprotech.com\/fr\/products\/delta-vfd037e43a-vfd-e-series-sensorless-vector-inverter-drive","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}