{"product_id":"delta-electronics-qfr0812uh-fan","title":"Delta Electronics QFR0812UH DC Axial Fan 12VDC 80x80x25.4mm","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-line:#c9dce9;--surface:#fff;--surface-soft:#f7fbfe;--text-main:#173042;--shadow-soft:0 10px 30px rgba(8,47,73,.08);--shadow-hover:0 16px 36px rgba(8,79,124,.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,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(15,110,168,.025) 1px,transparent 1px);background-size:auto,34px 34px,34px 34px;color:var(--text-main);line-height:1.75;-webkit-font-smoothing:antialiased;overflow:hidden}.nxs-industrial-product-page .container{width:92%;max-width:1120px;margin:0 auto;padding-bottom:34px}.nxs-industrial-product-page main{padding-top:8px}.nxs-industrial-product-page .section{position:relative;overflow:hidden;background:var(--surface);margin:22px auto;padding:36px 30px;border:1px solid var(--steel-line);border-radius:var(--radius-lg);box-shadow:var(--shadow-soft)}.nxs-industrial-product-page .section::before{content:'';position:absolute;left:0;top:0;width:5px;height:100%;background:linear-gradient(180deg,var(--industrial-blue-3),var(--industrial-blue))}.nxs-industrial-product-page .section h2{display:inline-flex;align-items:center;gap:10px;font-size:25px;line-height:1.3;color:var(--industrial-navy);margin-bottom:24px}.nxs-industrial-product-page .section h2::before{content:'';width:28px;height:4px;flex:0 0 28px;border-radius:999px;background:linear-gradient(90deg,var(--industrial-blue-2),var(--industrial-cyan))}.nxs-industrial-product-page .spec-table{width:100%;border-collapse:separate;border-spacing:0;overflow:hidden;border:1px solid var(--steel-line);border-radius:var(--radius-md)}.nxs-industrial-product-page .spec-table tr:nth-child(even){background:#f7fbfe}.nxs-industrial-product-page .spec-table tr:hover{background:#eaf5fb}.nxs-industrial-product-page .spec-table td{padding:13px 16px;border-bottom:1px solid #dbe7ef;vertical-align:top;color:#294658;overflow-wrap:anywhere}.nxs-industrial-product-page .spec-table tr:last-child td{border-bottom:none}.nxs-industrial-product-page .spec-table td:first-child{width:38%;font-weight:700;color:#0b456d;background:rgba(220,235,245,.42)}.nxs-industrial-product-page .features{display:grid;grid-template-columns:repeat(auto-fit,minmax(235px,1fr));gap:18px}.nxs-industrial-product-page .card{position:relative;overflow:hidden;background:linear-gradient(180deg,#fff,#f4f9fc);padding:22px 20px 21px;border:1px solid #d5e4ee;border-radius:var(--radius-md);box-shadow:0 6px 18px rgba(8,47,73,.055);transition:transform .22s ease,box-shadow .22s ease}.nxs-industrial-product-page .card::before{content:'';position:absolute;left:0;top:0;width:100%;height:4px;background:linear-gradient(90deg,var(--industrial-blue),var(--industrial-cyan))}.nxs-industrial-product-page .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}.nxs-industrial-product-page .card h3{color:var(--industrial-blue);font-size:18px;line-height:1.35;margin-bottom:10px;padding-left:14px;border-left:4px solid var(--industrial-blue-3)}.nxs-industrial-product-page .card p{color:#526a79;font-size:15px}.nxs-industrial-product-page .section ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px 18px;padding-left:0;list-style:none}.nxs-industrial-product-page .section li{position:relative;padding:12px 14px 12px 38px;background:var(--surface-soft);border:1px solid #dbe8f0;border-radius:8px;color:#365264}.nxs-industrial-product-page .section li::before{content:'';position:absolute;left:15px;top:50%;width:9px;height:9px;transform:translateY(-50%) rotate(45deg);background:var(--industrial-blue-2);box-shadow:0 0 0 4px rgba(15,110,168,.1)}.nxs-industrial-product-page .section:nth-of-type(4) p{padding:18px 20px;background:linear-gradient(135deg,#edf7fc,#f9fcfe);border:1px solid #cfe4f1;border-left:4px solid var(--industrial-blue-2);border-radius:9px;color:#355267}.nxs-industrial-product-page .section:last-of-type{counter-reset:faq}.nxs-industrial-product-page .section:last-of-type\u003ep{position:relative;margin:0;padding:18px 18px 18px 54px;background:#f8fbfd;border:1px solid #d8e6ef;border-radius:9px;counter-increment:faq}.nxs-industrial-product-page .section:last-of-type\u003ep::before{content:counter(faq,decimal-leading-zero);position:absolute;left:15px;top:17px;min-width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;border-radius:6px;background:var(--industrial-blue);color:#fff;font-size:11px;font-weight:700}.nxs-industrial-product-page .section:last-of-type\u003ep strong{display:inline-block;color:#0b456d;margin-bottom:5px}.nxs-industrial-product-page .section:last-of-type\u003ebr{display:block;content:'';margin:10px 0}.nxs-industrial-product-page a{color:var(--industrial-blue-2);text-decoration:underline;overflow-wrap:anywhere}@media(max-width:760px){.nxs-industrial-product-page .container{width:100%;padding:0 12px 24px}.nxs-industrial-product-page .section{padding:26px 17px 24px;margin:14px auto;border-radius:11px}.nxs-industrial-product-page .section h2{font-size:21px;margin-bottom:18px}.nxs-industrial-product-page .section h2::before{width:20px;flex-basis:20px}.nxs-industrial-product-page .spec-table{table-layout:fixed}.nxs-industrial-product-page .spec-table td{padding:11px 9px;font-size:13px;line-height:1.55}.nxs-industrial-product-page .spec-table td:first-child{width:42%}.nxs-industrial-product-page .features{grid-template-columns:1fr;gap:12px}.nxs-industrial-product-page .card{padding:18px 17px}.nxs-industrial-product-page .card:hover{transform:none}.nxs-industrial-product-page .section ul{grid-template-columns:1fr;gap:9px}.nxs-industrial-product-page .section li{padding:11px 12px 11px 36px;font-size:14px}.nxs-industrial-product-page .section:last-of-type\u003ep{padding:16px 14px 16px 48px;font-size:14px}.nxs-industrial-product-page .section:last-of-type\u003ep::before{left:12px;top:15px;min-width:26px;height:26px;font-size:10px}}@media(prefers-reduced-motion:reduce){.nxs-industrial-product-page *{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\u003eQFR0812UH\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\u003eQFR Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan Type\u003c\/td\u003e\n\u003ctd\u003eDC Brushless Axial Flow Fan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Safety Model\u003c\/td\u003e\n\u003ctd\u003eQFR0812UH (identified in the Delta QFR0812UH-CX14 approval specification)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Voltage\u003c\/td\u003e\n\u003ctd\u003e12 VDC (documented QFR0812UH-CX14 configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReference Frame Dimensions\u003c\/td\u003e\n\u003ctd\u003e80 x 80 x 25.4 mm (QFR0812UH-CX14)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDocumented Configuration\u003c\/td\u003e\n\u003ctd\u003eQFR0812UH-CX14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCX14 Operating Voltage Range\u003c\/td\u003e\n\u003ctd\u003e10.8–12.6 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCX14 Input Current\u003c\/td\u003e\n\u003ctd\u003e0.55 A (maximum 0.61 A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCX14 Safety-Label Current\u003c\/td\u003e\n\u003ctd\u003e0.87 A (manufacturer label marking; not the normal operating-current specification)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCX14 Input Power\u003c\/td\u003e\n\u003ctd\u003e6.60 W (maximum 7.32 W)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCX14 Rated Speed\u003c\/td\u003e\n\u003ctd\u003e5600 RPM ±10%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCX14 Maximum Free-Air Flow\u003c\/td\u003e\n\u003ctd\u003e70.24 CFM (1.989 m³\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCX14 Minimum Specified Free-Air Flow\u003c\/td\u003e\n\u003ctd\u003e63.21 CFM (1.790 m³\/min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCX14 Maximum Static Pressure\u003c\/td\u003e\n\u003ctd\u003e0.551 inH₂O (13.99 mmH₂O)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCX14 Minimum Specified Maximum Static Pressure\u003c\/td\u003e\n\u003ctd\u003e0.446 inH₂O (11.34 mmH₂O)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCX14 Lead Wire Length\u003c\/td\u003e\n\u003ctd\u003e313 ±10 mm (manufacturer mechanical drawing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCX14 Mounting Hole Spacing\u003c\/td\u003e\n\u003ctd\u003e71.5 x 71.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCX14 Mounting Holes\u003c\/td\u003e\n\u003ctd\u003e8 x Ø4.5 ±0.3 mm across both mounting faces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCX14 Weight\u003c\/td\u003e\n\u003ctd\u003e88 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 QFR Cooling Platform\u003c\/h3\u003e\n\u003cp\u003eQFR0812UH is a Delta Electronics DC brushless axial fan safety-model designation. Its documented QFR0812UH-CX14 configuration operates at 12 VDC with 0.55 A normal input current and 0.61 A maximum input current.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003e80 x 80 x 25.4 mm Reference Frame\u003c\/h3\u003e\n\u003cp\u003eThe manufacturer's QFR0812UH-CX14 drawing specifies an 80 mm square frame with a 25.4 mm depth and 71.5 mm mounting-hole spacing. Exact mechanical fit must be verified for other assembly versions.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003e5600 RPM CX14 Performance\u003c\/h3\u003e\n\u003cp\u003eDelta's CX14 approval specification identifies a 5600 RPM reference speed with ±10% tolerance at rated voltage. This rating is established for CX14 and should not be automatically applied to all QFR0812UH configurations.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003e70.24 CFM Reference Airflow\u003c\/h3\u003e\n\u003cp\u003eQFR0812UH-CX14 provides a published maximum free-air flow of 70.24 CFM and maximum static pressure of 0.551 inH₂O. These are separate endpoints of the fan pressure-airflow curve.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003eDual Ball Bearing CX14 Design\u003c\/h3\u003e\n\u003cp\u003eThe manufacturer CX14 specification identifies two ball bearings, UL 94 V-0 plastic housing and impeller materials, 50.5 dB(A) average acoustical noise and an 88 g reference weight.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"card\"\u003e\n\u003ch3\u003eDocumented PWM and FG Option\u003c\/h3\u003e\n\u003cp\u003eThe CX14 assembly has four wires: red positive, black negative, blue frequency-generator feedback and yellow PWM input. A base safety-model marking alone does not establish the wire count or control features of another version.\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 forced-air cooling\u003c\/li\u003e\n\u003cli\u003eCompact server and industrial computer ventilation\u003c\/li\u003e\n\u003cli\u003ePower supply equipment thermal management\u003c\/li\u003e\n\u003cli\u003eNetwork and telecommunications device cooling\u003c\/li\u003e\n\u003cli\u003eEmbedded industrial controller ventilation\u003c\/li\u003e\n\u003cli\u003eElectronic test and measurement equipment cooling\u003c\/li\u003e\n\u003cli\u003eEquipment requiring compatible 80 mm axial fan assemblies\u003c\/li\u003e\n\u003cli\u003eMaintenance of matching Delta QFR0812UH cooling configurations\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 QFR0812UH 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 QFR0812UH?\u003c\/strong\u003e\u003cbr\u003eQFR0812UH is a Delta Electronics safety-model designation for a DC brushless axial fan. Delta's QFR0812UH-CX14 approval specification explicitly identifies QFR0812UH as its safety model.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the rated voltage?\u003c\/strong\u003e\u003cbr\u003eThe documented QFR0812UH-CX14 configuration operates at 12 VDC. Its allowable operating voltage range is 10.8–12.6 VDC; this range is specific to CX14 and should not be assumed for every variant.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the fan dimensions?\u003c\/strong\u003e\u003cbr\u003eDelta's QFR0812UH-CX14 drawing specifies an 80 x 80 x 25.4 mm frame with 71.5 x 71.5 mm mounting-hole spacing. Confirm physical dimensions for an assembly whose complete variant is not known.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the input current of QFR0812UH?\u003c\/strong\u003e\u003cbr\u003eThe QFR0812UH-CX14 manufacturer specification lists 0.55 A input current and 0.61 A maximum. Other configurations under the QFR0812UH safety designation require their own electrical specifications.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhy does a QFR0812UH-CX14 label show 0.87 A?\u003c\/strong\u003e\u003cbr\u003eDelta identifies 0.87 A as the safety current shown on the CX14 label. The same approval document separately specifies 0.55 A operating input current and 0.61 A maximum. These quantities must not be confused.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the input power?\u003c\/strong\u003e\u003cbr\u003eFor QFR0812UH-CX14, Delta specifies 6.60 W input power and 7.32 W maximum. These values should only be assigned to a matching configuration.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the rated rotational speed?\u003c\/strong\u003e\u003cbr\u003eThe QFR0812UH-CX14 manufacturer approval specification lists 5600 RPM ±10%. A common speed rating for every unsuffixed QFR0812UH assembly was not independently established.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum airflow?\u003c\/strong\u003e\u003cbr\u003eDelta documents 70.24 CFM (1.989 m³\/min) maximum free-air flow for QFR0812UH-CX14, with a minimum specified value of 63.21 CFM. Actual equipment airflow depends on airflow resistance.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum static pressure?\u003c\/strong\u003e\u003cbr\u003eThe CX14 specification lists 0.551 inH₂O (13.99 mmH₂O) maximum static pressure. Maximum static pressure occurs at zero airflow, rather than simultaneously with the maximum free-air-flow value.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the bearing and noise specifications?\u003c\/strong\u003e\u003cbr\u003eThe manufacturer identifies two ball bearings, 50.5 dB(A) average acoustical noise and 54.5 dB(A) maximum for QFR0812UH-CX14. Other revisions should be checked separately.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eDoes QFR0812UH have PWM speed control and tachometer feedback?\u003c\/strong\u003e\u003cbr\u003eThe complete QFR0812UH-CX14 version has four leads for power, FG speed feedback and PWM input. The unsuffixed QFR0812UH designation alone does not confirm those features on every assembly.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should be checked before ordering Delta QFR0812UH?\u003c\/strong\u003e\u003cbr\u003eConfirm the complete model identifier and suffix, 12 VDC supply, applicable rated and maximum current, actual frame thickness, mounting-hole pattern, fan speed, airflow requirements, ball bearing specification, wire count, connector type, PWM compatibility and frequency-generator signal connections.\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":67810774155343,"sku":"LL1-DE-QFR0812UH","price":11.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/7569\/2623\/files\/QFR0812UH-01-_01.jpg?v=1792467112","url":"https:\/\/yunshuotrade.com\/products\/delta-electronics-qfr0812uh-fan","provider":"yunshuotrade","version":"1.0","type":"link"}