{"product_id":"delta-electronics-efb0424hd-fan","title":"Delta Electronics EFB0424HD DC Axial Fan 24VDC 40x40x20mm 8.54CFM","description":"\u003cstyle\u003e.nxs-industrial-product-page{--industrial-navy:#082f49;--industrial-blue:#0b4f7c;--industrial-blue-2:#0f6ea8;--industrial-blue-3:#1784c1;--industrial-cyan:#38bdf8;--steel-blue:#dcebf5;--steel-blue-2:#edf6fb;--steel-line:#c9dce9;--surface:#ffffff;--surface-soft:#f7fbfe;--text-main:#173042;--text-muted:#5e7382;--shadow-soft:0 10px 30px rgba(8,47,73,0.08);--shadow-hover:0 16px 36px rgba(8,79,124,0.15);--radius-lg:14px;--radius-md:10px;}.nxs-industrial-product-page,.nxs-industrial-product-page *{margin:0;padding:0;box-sizing:border-box;font-family:Arial,Helvetica,sans-serif;}.nxs-industrial-product-page{background-color:#f3f8fb;background-image:linear-gradient(180deg,#eef6fb 0,#f7fafc 320px,#eef3f7 100%),linear-gradient(rgba(15,110,168,0.025) 1px,transparent 1px),linear-gradient(90deg,rgba(15,110,168,0.025) 1px,transparent 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(prefers-reduced-motion:reduce){.nxs-industrial-product-page,.nxs-industrial-product-page *,.nxs-industrial-product-page *::before,.nxs-industrial-product-page *::after{transition:none !important;}}\u003c\/style\u003e\n\u003cdiv class=\"nxs-industrial-product-page\"\u003e\n\u003cdiv class=\"container\"\u003e\u003cmain\u003e\n\u003csection class=\"section\"\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eDelta Electronics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003eEFB0424HD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Category\u003c\/td\u003e\n\u003ctd\u003eDC Axial Fan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Series\u003c\/td\u003e\n\u003ctd\u003eEFB Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan Type\u003c\/td\u003e\n\u003ctd\u003eDC Brushless Tubeaxial Fan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame Dimensions\u003c\/td\u003e\n\u003ctd\u003e40 x 40 x 20 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n\u003ctd\u003e14.0–27.6 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Current\u003c\/td\u003e\n\u003ctd\u003e0.06 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Power\u003c\/td\u003e\n\u003ctd\u003e1.44 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Speed\u003c\/td\u003e\n\u003ctd\u003e7600 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Free-Air Flow\u003c\/td\u003e\n\u003ctd\u003e8.54 CFM (0.242 m³\/min; manufacturer product listing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDistributor Airflow Rounding\u003c\/td\u003e\n\u003ctd\u003e8.5 CFM (approximately 0.238 m³\/min; DigiKey)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Static Pressure\u003c\/td\u003e\n\u003ctd\u003e0.303 inH₂O (approximately 7.69 mmH₂O)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAcoustical Noise\u003c\/td\u003e\n\u003ctd\u003e28.5 dB(A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBearing System\u003c\/td\u003e\n\u003ctd\u003eBall Bearings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame Material\u003c\/td\u003e\n\u003ctd\u003ePlastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpeller Material\u003c\/td\u003e\n\u003ctd\u003ePlastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Termination\u003c\/td\u003e\n\u003ctd\u003e2 Lead Wires\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Function\u003c\/td\u003e\n\u003ctd\u003eLocked-Rotor Protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-10°C to +70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReference Weight\u003c\/td\u003e\n\u003ctd\u003eApproximately 33 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection class=\"section\"\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cdiv class=\"features\"\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003e24 VDC Brushless Cooling\u003c\/h3\u003e\n\u003cp\u003eDelta Electronics EFB0424HD is a DC brushless axial fan rated at 24 VDC, 0.06 A and 1.44 W. DigiKey specifies an operating voltage range of 14.0–27.6 VDC for this complete model.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003e40 x 40 x 20 mm Frame\u003c\/h3\u003e\n\u003cp\u003eThe fan uses a 40 mm square housing with 20 mm depth. Its compact dimensions support forced-air ventilation in electronic equipment with a matching fan mounting interface.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003e7600 RPM Rated Speed\u003c\/h3\u003e\n\u003cp\u003eThe manufacturer product listing and major electronics distributors identify a rated rotational speed of 7600 RPM under the stated nominal operating conditions.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003e8.54 CFM Free-Air Flow\u003c\/h3\u003e\n\u003cp\u003eDelta lists 8.54 CFM maximum free-air flow and 0.303 inH₂O maximum static pressure. The airflow and pressure figures represent separate operating points, not simultaneous performance.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003eBall Bearing Construction\u003c\/h3\u003e\n\u003cp\u003eEFB0424HD uses ball bearings with plastic frame and impeller components. The published acoustical noise rating is 28.5 dB(A), and the listed unit weight is approximately 33 g.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003eTwo-Wire Electrical Connection\u003c\/h3\u003e\n\u003cp\u003eThe base EFB0424HD uses two power leads and provides locked-rotor protection. The separately designated -CP5 model has four wires, PWM control, tachometer feedback and IP55 protection; its specifications differ.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"section\"\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eIndustrial electronic enclosure ventilation\u003c\/li\u003e\n\u003cli\u003eCompact 24 VDC power supply cooling\u003c\/li\u003e\n\u003cli\u003eEmbedded controller thermal management\u003c\/li\u003e\n\u003cli\u003eTelecommunications equipment airflow\u003c\/li\u003e\n\u003cli\u003eElectronic test and measurement instrument ventilation\u003c\/li\u003e\n\u003cli\u003eNetworking equipment cooling assemblies\u003c\/li\u003e\n\u003cli\u003eCompact power electronics forced-air cooling\u003c\/li\u003e\n\u003cli\u003eMaintenance of compatible 40 mm axial fan installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection class=\"section\"\u003e\n\u003ch2\u003ePurchase Information\u003c\/h2\u003e\n\u003cp\u003eWe support online purchase of the Delta Electronics EFB0424HD DC Axial Fan. If you need to make bulk purchases and inquire about other products, please contact our team to inform us of your purchase requirements. We will provide you with information such as quantity quotations, delivery dates, and transportation methods.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection class=\"section\"\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is Delta Electronics EFB0424HD?\u003c\/strong\u003e\u003cbr\u003eEFB0424HD is a Delta Electronics 24 VDC brushless axial cooling fan in the EFB series. Its dimensions are 40 x 40 x 20 mm, and the base model uses two power leads.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the rated voltage of EFB0424HD?\u003c\/strong\u003e\u003cbr\u003eThe manufacturer and major distributors specify 24 VDC. DigiKey lists an operating voltage range of 14.0–27.6 VDC for the complete EFB0424HD model.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the physical dimensions?\u003c\/strong\u003e\u003cbr\u003eThe fan has a 40 x 40 mm square frame and a housing depth of 20 mm. Check the mounting-hole pattern, cable clearance and airflow orientation against the equipment.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the rated input current?\u003c\/strong\u003e\u003cbr\u003eDelta, DigiKey and Mouser list a rated current of 0.06 A for the unsuffixed EFB0424HD.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the input power?\u003c\/strong\u003e\u003cbr\u003eThe published input power is 1.44 W at the rated 24 VDC supply.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the rotational speed?\u003c\/strong\u003e\u003cbr\u003eThe specified rotational speed is 7600 RPM. Performance may vary with supply voltage and airflow restrictions.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum airflow?\u003c\/strong\u003e\u003cbr\u003eDelta lists 8.54 CFM (0.242 m³\/min) maximum free-air flow. DigiKey rounds this to approximately 8.5 CFM. Actual installed airflow depends on system resistance.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum static pressure?\u003c\/strong\u003e\u003cbr\u003eThe published maximum static pressure is 0.303 inH₂O, approximately 7.69 mmH₂O. It is measured at zero airflow, rather than at the maximum free-air-flow point.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the acoustical noise rating?\u003c\/strong\u003e\u003cbr\u003eThe manufacturer and major component distributors specify 28.5 dB(A). Actual equipment noise depends on installation and operating conditions.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat bearing system does EFB0424HD use?\u003c\/strong\u003e\u003cbr\u003eThe fan uses ball bearings and plastic frame and impeller materials. Distributors identify a reference service life of 70,000 hours at 40°C, which is not a guaranteed operating duration.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eDoes EFB0424HD have PWM control or tachometer feedback?\u003c\/strong\u003e\u003cbr\u003eThe unsuffixed EFB0424HD is listed as a two-wire fan without separate PWM or tachometer leads. EFB0424HD-CP5 is a different four-wire version with PWM control, speed sensing and IP55 protection; its airflow and current ratings also differ.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should be checked before ordering Delta EFB0424HD?\u003c\/strong\u003e\u003cbr\u003eConfirm the complete EFB0424HD marking and any additional suffix, 24 VDC supply, 0.06 A current rating, 40 x 40 x 20 mm dimensions, 7600 RPM speed, 8.54 CFM airflow requirement, mounting-hole geometry, two-wire termination and equipment operating conditions.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c\/main\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"DELTA","offers":[{"title":"Default Title","offer_id":67809569931343,"sku":"LL1-DE-EFB0424HD","price":8.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/7569\/2623\/files\/EFB0424HD-01-_01.jpg?v=1792462712","url":"https:\/\/yunshuotrade.com\/products\/delta-electronics-efb0424hd-fan","provider":"yunshuotrade","version":"1.0","type":"link"}