{"product_id":"delta-electronics-vfd037b43a-vfd-b-series-ac-drive","title":"VFD037B43A | Delta | Moteurs à entraînement AC","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eEngineered for heavy-duty industrial speed and torque modulation, the Delta Electronics VFD037B43A is a high-performance VFD-B Series AC motor drive operating on a 460V Three Phase input. This variable frequency drive provides a continuous output rated at 3.7 kW (5 HP), making it highly suitable for applications requiring high starting torque, accurate motor control, and reliable protective features. Built with an integrated fan cooling system, it maintains thermal efficiency during sustained high-load operations.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverload Endurance:\u003c\/strong\u003e Standard-duty rating of 150% of the rated output current for up to 1 minute.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecise Speed Control:\u003c\/strong\u003e Digital frequency resolution of 0.01 Hz for accurate process automation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eResonance Mitigation:\u003c\/strong\u003e Three adjustable skip frequency zones within a 0.1 to 400 Hz range prevent structural vibration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStall Prevention:\u003c\/strong\u003e Configurable threshold settings from 20% to 250% of the drive's rated current to safeguard mechanical machinery.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdvanced Thermal Design:\u003c\/strong\u003e Equipped with active fan cooling to ensure optimal heat dissipation within control panels.\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: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003eConveyor and material handling automation networks\u003c\/li\u003e\n  \u003cli\u003eCentrifugal pumps and fluid transport systems\u003c\/li\u003e\n  \u003cli\u003eIndustrial ventilation fans and air blowers\u003c\/li\u003e\n  \u003cli\u003eExtrusion lines, mixers, and general processing machinery\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;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align: left; padding: 10px; border-bottom: 2px solid #e2e8f0; font-weight: bold;\"\u003eSpecification Parameter\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 10px; border-bottom: 2px solid #e2e8f0; font-weight: bold;\"\u003eValue \/ Rating\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border-bottom: 1px solid #e2e8f0; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border-bottom: 1px solid #e2e8f0;\"\u003eDelta Electronics\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border-bottom: 1px solid #e2e8f0; font-weight: bold;\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border-bottom: 1px solid #e2e8f0;\"\u003eVFD037B43A\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border-bottom: 1px solid #e2e8f0; font-weight: bold;\"\u003eDrive Series\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border-bottom: 1px solid #e2e8f0;\"\u003eVFD-B Series\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border-bottom: 1px solid #e2e8f0; font-weight: bold;\"\u003eApplicable Motor Output\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border-bottom: 1px solid #e2e8f0;\"\u003e3.7 kW (5 HP)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border-bottom: 1px solid #e2e8f0; font-weight: bold;\"\u003eInput Voltage Class\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border-bottom: 1px solid #e2e8f0;\"\u003e460V Three Phase AC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border-bottom: 1px solid #e2e8f0; font-weight: bold;\"\u003eFrequency Resolution\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border-bottom: 1px solid #e2e8f0;\"\u003e0.01 Hz\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border-bottom: 1px solid #e2e8f0; font-weight: bold;\"\u003eOverload Capacity\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border-bottom: 1px solid #e2e8f0;\"\u003e150% of rated current for 60 seconds\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border-bottom: 1px solid #e2e8f0; font-weight: bold;\"\u003eSkip Frequency Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border-bottom: 1px solid #e2e8f0;\"\u003e0.1 to 400 Hz (3 programmable zones)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border-bottom: 1px solid #e2e8f0; font-weight: bold;\"\u003eStall Prevention Limit\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border-bottom: 1px solid #e2e8f0;\"\u003e20% to 250% of rated current\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border-bottom: 1px solid #e2e8f0; font-weight: bold;\"\u003eCooling Method\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border-bottom: 1px solid #e2e8f0;\"\u003eForced Fan Cooled\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border-bottom: 1px solid #e2e8f0; font-weight: bold;\"\u003eOperating Humidity\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border-bottom: 1px solid #e2e8f0;\"\u003eBelow 90% RH (non-condensing)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border-bottom: 1px solid #e2e8f0; font-weight: bold;\"\u003eStorage Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border-bottom: 1px solid #e2e8f0;\"\u003e-20 to 60 degC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border-bottom: 1px solid #e2e8f0; font-weight: bold;\"\u003eNet Unit Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border-bottom: 1px solid #e2e8f0;\"\u003e6.8 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 10px; border-bottom: 1px solid #e2e8f0; font-weight: bold;\"\u003eShipping Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px; border-bottom: 1px solid #e2e8f0;\"\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\u003eEmpirical Engineering Insights\u003c\/h3\u003e\n\u003ch4\u003eAlternative Models \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe VFD-B series represents legacy Delta technology. For modern direct retrofits or system replacements where panel space is restricted, engineers can consider upgrading to the Delta MS300 or C2000+ series. Note that moving to a newer generation drive requires physical mounting footprint verification and control terminal re-mapping, as the VFD-B has a wider physical profile and terminal alignment.\u003c\/p\u003e\n\n\u003ch4\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eIn dust-prone environments such as woodworking or bulk handling facilities, the integrated cooling fans of the VFD-B can accumulate particles inside the heat sink channels, leading to recurring Over-Temperature (oH) faults. Regular thermal scans and air-purge cycles must be scheduled to prevent premature component failure.\u003c\/p\u003e\n\n\u003ch4\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1.5rem;\"\u003eTo eliminate electromagnetic interference (EMI) issues, ensure the control terminal block wiring is fully shielded and routed separately from the main 460V power wiring. Ground the motor frame directly back to the PE terminal of the drive using high-conductivity grounding straps to mitigate high-frequency motor bearing currents.\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  \u003cp style=\"color: #9b2c2c; font-weight: bold; margin: 0 0 0.5rem 0;\"\u003eCRITICAL WARNING\u003c\/p\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0;\"\u003eEnsure all incoming power feeds are completely isolated and locked out before commencing installation. Wait a minimum of 10 minutes following isolation to allow internal DC bus capacitors to fully discharge to a safe voltage level below 36V DC.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: center; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 28px; height: 28px; font-weight: bold; margin-right: 12px; flex-shrink: 0;\"\u003e1\u003c\/div\u003e\n  \u003cp style=\"margin: 0; color: #2d3748;\"\u003eMount the AC drive vertically on a flat, non-combustible surface with at least 50mm lateral and 120mm vertical clearance to ensure non-restricted convection airflow.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: center; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 28px; height: 28px; font-weight: bold; margin-right: 12px; flex-shrink: 0;\"\u003e2\u003c\/div\u003e\n  \u003cp style=\"margin: 0; color: #2d3748;\"\u003eConnect the three-phase 460V AC incoming power cable directly to the main power terminals labeled R\/L1, S\/L2, and T\/L3.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: center; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 28px; height: 28px; font-weight: bold; margin-right: 12px; flex-shrink: 0;\"\u003e3\u003c\/div\u003e\n  \u003cp style=\"margin: 0; color: #2d3748;\"\u003eWire the motor leads securely to the output terminals labeled U\/T1, V\/T2, and W\/T3. Do not wire incoming AC mains to these terminals, as this will destroy the drive.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: center; margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 28px; height: 28px; font-weight: bold; margin-right: 12px; flex-shrink: 0;\"\u003e4\u003c\/div\u003e\n  \u003cp style=\"margin: 0; color: #2d3748;\"\u003eEstablish a solid low-impedance ground connection to the dedicated PE ground terminal on the chassis before powering up the module.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Delta Electronics","offers":[{"title":"Default Title","offer_id":53102152122731,"sku":"VFD037B43A","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/vfd037b43a-e4fjf4jnabx.png?v=1776138035","url":"https:\/\/www.plcprotech.com\/fr\/products\/delta-electronics-vfd037b43a-vfd-b-series-ac-drive","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}