{"product_id":"sunon-mec0251v1-000u-a99-fan","title":"SUNON MEC0251V1-000U-A99 DC Axial Fan 12VDC 120x120x25mm 5.4W","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\u003eSUNON\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003eMEC0251V1-000U-A99\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\u003eMagLev MEC Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Dimensions\u003c\/td\u003e\n\u003ctd\u003e120 x 120 x 25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame Width and Height\u003c\/td\u003e\n\u003ctd\u003e120 ±0.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame Thickness\u003c\/td\u003e\n\u003ctd\u003e25 +0.5\/-0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Voltage\u003c\/td\u003e\n\u003ctd\u003e12 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan Weight\u003c\/td\u003e\n\u003ctd\u003e162 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\u003e12 VDC MagLev Cooling\u003c\/h3\u003e\n\u003cp\u003eThe SUNON MEC0251V1-000U-A99 combines a two-phase, four-pole brushless DC motor with SUNON MagLev technology. It operates from a nominal 12 VDC supply for compatible equipment ventilation.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003e120 x 120 x 25 mm Frame\u003c\/h3\u003e\n\u003cp\u003eThe fan features a 120 mm square housing with a nominal 25 mm thickness. The manufacturer drawing specifies a 105 mm mounting-hole center spacing for compatible equipment installations.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003e108.2 CFM Air Delivery\u003c\/h3\u003e\n\u003cp\u003eSUNON specifies 108.2 CFM airflow and 0.28 inH2O maximum static pressure, providing documented performance values for evaluating forced-air cooling and electronic enclosure ventilation requirements.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003e3100 RPM Rated Speed\u003c\/h3\u003e\n\u003cp\u003eThe manufacturer specifies 3100 RPM rated speed with a tolerance of ±10%. The documented current is 0.451 A and rated input power is 5.4 W at 12 VDC.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003ePrecision Vapo Bearing System\u003c\/h3\u003e\n\u003cp\u003eThe fan incorporates SUNON's precision Vapo bearing system with a PBT thermoplastic frame and impeller. Both components are specified with a UL 94V-0 material flammability classification.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003eAutomatic Restart Protection\u003c\/h3\u003e\n\u003cp\u003eThe manufacturer documents automatic restart and polarity protection. A locked rotor condition temporarily interrupts motor power, with automatic operation resuming after the obstruction is removed.\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 control cabinet forced-air ventilation\u003c\/li\u003e\n\u003cli\u003eIndustrial automation equipment thermal management\u003c\/li\u003e\n\u003cli\u003eSwitching power supply cooling\u003c\/li\u003e\n\u003cli\u003eIndustrial inverter and power electronics ventilation\u003c\/li\u003e\n\u003cli\u003eServer and computing equipment enclosure cooling\u003c\/li\u003e\n\u003cli\u003eTelecommunications equipment thermal management\u003c\/li\u003e\n\u003cli\u003eIndustrial electronic instrumentation ventilation\u003c\/li\u003e\n\u003cli\u003eReplacement of compatible 120 mm 12 VDC axial cooling fans\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 SUNON MEC0251V1-000U-A99 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 SUNON MEC0251V1-000U-A99?\u003c\/strong\u003e\u003cbr\u003eMEC0251V1-000U-A99 is a SUNON MagLev MEC-series brushless DC axial cooling fan featuring a 120 x 120 x 25 mm housing, 12 VDC rated voltage and precision Vapo bearing system.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the rated voltage of MEC0251V1-000U-A99?\u003c\/strong\u003e\u003cbr\u003eThe manufacturer specifies 12 VDC, with an operating voltage range of 6-13.8 VDC and a starting voltage of 6 VDC at 25°C.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the dimensions of MEC0251V1-000U-A99?\u003c\/strong\u003e\u003cbr\u003eThe nominal dimensions are 120 x 120 x 25 mm. SUNON's mechanical drawing specifies a frame width of 120 ±0.5 mm and a mounting-hole center spacing of 105 ±0.3 mm.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the rated current?\u003c\/strong\u003e\u003cbr\u003eThe exact-model SUNON specification identifies 451 mA rated current and 519 mA maximum current. Some distributor specifications use rounded current figures.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the power consumption?\u003c\/strong\u003e\u003cbr\u003eSUNON specifies 5.4 W rated power consumption and 6.22 W maximum power consumption. Some distributors round the rated power to 5.5 W.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the rated fan speed?\u003c\/strong\u003e\u003cbr\u003eThe manufacturer specifies 3100 RPM with a tolerance of ±10% at the rated supply voltage.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat airflow does MEC0251V1-000U-A99 provide?\u003c\/strong\u003e\u003cbr\u003eThe SUNON manufacturer datasheet specifies 108.2 CFM, approximately 183.8 m³\/h, under its published performance test conditions.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the static pressure rating?\u003c\/strong\u003e\u003cbr\u003eThe maximum static pressure is 0.28 inH2O, equivalent to approximately 69.7 Pa.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat bearing system does MEC0251V1-000U-A99 use?\u003c\/strong\u003e\u003cbr\u003eThe manufacturer specifies a precision Vapo bearing system within the SUNON MagLev product range.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the acoustical noise level?\u003c\/strong\u003e\u003cbr\u003eThe manufacturer specifies 44.5 dB(A). Actual noise in an installed enclosure may vary because of mounting conditions, airflow restriction and surrounding equipment.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eHow is MEC0251V1-000U-A99 electrically connected?\u003c\/strong\u003e\u003cbr\u003eThe manufacturer drawing specifies two DC power leads using UL 1007 24 AWG wire. Red is positive and black is negative, with a specified lead length of 330 ±15 mm. The standard two-wire configuration does not provide a separate PWM control or tachometer lead. SUNON advises against using power-line or ground-line PWM speed control.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should be checked before ordering MEC0251V1-000U-A99?\u003c\/strong\u003e\u003cbr\u003eConfirm the complete SUNON model number, 12 VDC supply, 0.451 A rated current, 5.4 W power consumption, 120 x 120 x 25 mm dimensions, 105 mm mounting-hole spacing, Vapo bearing, two-wire electrical connection, lead polarity, airflow direction and cooling requirements. Do not automatically substitute MEC0251V2-000U-A99, MEC0252V1-000U-A99 or other MEC-series versions without checking their electrical, performance and mechanical specifications.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c\/main\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SUNON","offers":[{"title":"Default Title","offer_id":67822465941583,"sku":"LL1-SU-MEC0251V1000UA99","price":13.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/7569\/2623\/files\/MEC0251V1-000U-A99-01.jpg?v=1792563656","url":"https:\/\/yunshuotrade.com\/products\/sunon-mec0251v1-000u-a99-fan","provider":"yunshuotrade","version":"1.0","type":"link"}