{"product_id":"delta-vfd0185b43a-ac-motor-drive-b-series","title":"DELTA VFD0185B43A Variateur moteur AC série B","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eVFD0185B43A (VFD0185B43A)\u003c\/strong\u003e is a high-capacity AC motor drive from the Delta B series, engineered for demanding industrial environments requiring 18.5 kW (25 HP) of output power. Operating on a 460 V three-phase supply, this drive is a standard choice for heavy-duty applications such as industrial centrifugal fans, high-pressure pumps, and large-scale material handling systems. By implementing advanced control logic and robust hardware protections, the VFD0185B43A assists facility engineers in achieving precise motor speed management while effectively reducing mechanical stress and total energy consumption.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003eDesigned for high-performance and reliability, the VFD0185B43A offers a frequency setting resolution of 0.01 Hz, facilitating extremely fine control over motor speed profiles. The drive is equipped with comprehensive protective mechanisms, including a programmable stall prevention level (20–250%) and three-zone skip frequency settings (0.1–400 Hz) to counteract mechanical resonance in heavy-duty machinery. Its cooling architecture utilizes an integrated, high-capacity fan system, ensuring stable thermal management during sustained operations. The drive's logic allows for 150% overload endurance for 60 seconds, providing sufficient torque margin for transient load surges often encountered in industrial startup sequences.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eVFD0185B43A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eDelta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eTaiwan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e13.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Rating\u003c\/td\u003e\n\u003ctd\u003e18.5 kW (25 HP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e460 VAC (3-phase)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverload Capacity\u003c\/td\u003e\n\u003ctd\u003e150% for 60 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Resolution\u003c\/td\u003e\n\u003ctd\u003e0.01 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling Method\u003c\/td\u003e\n\u003ctd\u003eFan Cooled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-10 to 50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs the VFD0185B43A suitable for applications with frequent starts and stops?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the drive is designed with 150% overload endurance for 1 minute. However, if the duty cycle involves more than 5-6 starts per hour, additional thermal calculation and potential oversizing of the drive may be required to account for cumulative heat buildup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the skip frequency function improve machine longevity?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMechanical systems often have \"natural frequencies\" where vibration becomes amplified. By setting the three skip frequency zones, the drive forces the motor to quickly pass through these unstable ranges, effectively preventing structural fatigue and damage to gearboxes or couplings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this drive be stored in an unconditioned warehouse for an extended period?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the storage and transportation temperature rating is -20 deg C to 60 deg C. Ensure the drive is sealed in its original moisture-proof packaging with desiccant to prevent corrosion on the internal logic boards.\u003c\/p\u003e\n\u003ch3\u003eInstallation and Operational Best Practices\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Management:\u003c\/strong\u003e Due to the 18.5 kW power output, this drive requires significant airflow. Mount the unit vertically with at least 150 mm of clearance at both the top and bottom to ensure the internal fans can evacuate heat effectively.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding for Noise Suppression:\u003c\/strong\u003e In high-power applications, electromagnetic interference (EMI) can be significant. Use a dedicated low-impedance ground conductor connected directly to the building's main grounding busbar. Avoid common-grounding with sensitive instrumentation (like low-voltage PLCs) to prevent signal noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor Cable Considerations:\u003c\/strong\u003e Given the potential for high reflected voltage at 460 V, use shielded motor cable (SY or equivalent) for runs exceeding 20 meters. This protects the motor insulation from voltage spikes caused by the high-frequency PWM switching of the drive.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Delta Electronics","offers":[{"title":"Default Title","offer_id":53102295122283,"sku":"VFD0185B43A","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/vfd0185b43a-fshi2jkljib.png?v=1776138031","url":"https:\/\/www.plcprotech.com\/fr\/products\/delta-vfd0185b43a-ac-motor-drive-b-series","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}