{"product_id":"caizhu-4010-blower-fan-12v-dual-ball-bearing-brushless-dc-fan-3d-printer","title":"CAIZHU 40mm 4010 Blower Fan – 12V Dual Ball Bearing Brushless DC Fan for 3D Printers","description":"\u003cstyle\u003e\n  @import url('https:\/\/fonts.googleapis.com\/css2?family=DM+Sans:wght@400;500;600;700\u0026display=swap');\n  .nzn-desc .tagline{font-family:'DM Sans',sans-serif;font-size:17px;line-height:1.7;color:#333;border-left:3px solid #e07e2c;padding-left:16px;margin-bottom:32px}\n  .nzn-desc .section-title{font-family:'DM Sans',sans-serif;font-size:15px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#e07e2c;margin-bottom:14px}\n  .nzn-desc .specs-table{width:100%;border-collapse:collapse;margin-bottom:32px;font-family:'DM Sans',sans-serif;font-size:14px}\n  .nzn-desc .specs-table tr{border-bottom:1px solid #ebebeb}\n  .nzn-desc .specs-table tr:last-child{border-bottom:none}\n  .nzn-desc .specs-table td{padding:10px 8px}\n  .nzn-desc .specs-table td:first-child{color:#888;width:42%;font-size:14px}\n  .nzn-desc .specs-table td:last-child{font-weight:600;color:#1a1a1a}\n  .nzn-desc .uses-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:32px}\n  .nzn-desc .use-item{background:#f7f7f7;border-left:3px solid #e07e2c;padding:12px 14px;font-family:'DM Sans',sans-serif;font-size:13.5px;line-height:1.5;color:#2a2a2a}\n  .nzn-desc .note{background:#fafafa;border:1px solid #e8e8e8;border-radius:4px;padding:14px 16px;font-family:'DM Sans',sans-serif;font-size:13px;color:#888;line-height:1.6}\n  .nzn-desc .note strong{color:#555}\n  .nzn-desc .setup-box{background:#f0f7ff;border-left:3px solid #4a90d9;padding:14px 16px;font-family:'DM Sans',sans-serif;font-size:13px;color:#2c4a6e;line-height:1.7;margin-bottom:32px;border-radius:0 4px 4px 0}\n  .nzn-desc .faq-item{margin-bottom:12px}\n  .nzn-desc .faq-q{font-family:'DM Sans',sans-serif;font-size:13.5px;font-weight:700;color:#1a1a1a;margin-bottom:3px}\n  .nzn-desc .faq-a{font-family:'DM Sans',sans-serif;font-size:13.5px;color:#555;line-height:1.5;padding-left:14px;border-left:2px solid #e07e2c}\n  .nzn-desc hr.divider{border:none;border-top:1px solid #ebebeb;margin:28px 0}\n\u003c\/style\u003e\n\u003cdiv class=\"nzn-desc\" style=\"max-width:1200px;margin:0 auto;\"\u003e\n  \u003cp class=\"tagline\"\u003eThe CAIZHU 4010 is a compact 40×40×10mm radial blower fan with dual ball bearings and a brushless DC motor — rated for 50,000 hours at 40°C. Its side-outlet design delivers focused, directed airflow directly where you need it, making it ideal for 3D printer part cooling ducts. Runs at just 25.5 dBA for quiet operation at home or in the office.\u003c\/p\u003e\n  \u003chr class=\"divider\"\u003e\n  \u003cp class=\"section-title\"\u003eSpecifications\u003c\/p\u003e\n  \u003ctable class=\"specs-table\"\u003e\n    \u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e4010 Blower (Radial)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e40 × 40 × 10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRated Voltage\u003c\/td\u003e\n\u003ctd\u003e12V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRated Current\u003c\/td\u003e\n\u003ctd\u003e0.076A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.912W\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSpeed\u003c\/td\u003e\n\u003ctd\u003e5,524 ± 10% RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eNoise Level\u003c\/td\u003e\n\u003ctd\u003e25.5 dBA\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBearing Type\u003c\/td\u003e\n\u003ctd\u003eDual ball bearings\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003e2-pin XH2.54\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWiring\u003c\/td\u003e\n\u003ctd\u003eRed = positive  \/  Black = negative\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e12.3g\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e−10°C to +60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperating Humidity\u003c\/td\u003e\n\u003ctd\u003e5%–95% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRated Lifespan\u003c\/td\u003e\n\u003ctd\u003e50,000 hours @ 40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n  \u003cdiv class=\"setup-box\"\u003e\n    \u003cstrong\u003eBlower vs axial fan — what's the difference?\u003c\/strong\u003e\u003cbr\u003e\n    A blower (radial) fan draws air in through one face and expels it from the side, creating a narrow, high-velocity airflow stream. This is ideal for 3D printer part cooling ducts where you need to direct air precisely at the print. An axial fan moves higher volumes of air but in a wide, diffuse pattern — better suited for hotend or enclosure cooling.\n  \u003c\/div\u003e\n  \u003chr class=\"divider\"\u003e\n  \u003cp class=\"section-title\"\u003eCommon Uses\u003c\/p\u003e\n  \u003cdiv class=\"uses-grid\"\u003e\n    \u003cdiv class=\"use-item\"\u003e3D printer part cooling — Ender 3, Prusa, Voron \u0026amp; more\u003c\/div\u003e\n    \u003cdiv class=\"use-item\"\u003eCustom print cooling duct builds\u003c\/div\u003e\n    \u003cdiv class=\"use-item\"\u003eElectronics enclosure \u0026amp; component cooling\u003c\/div\u003e\n    \u003cdiv class=\"use-item\"\u003eDIY projects requiring directed 12V airflow\u003c\/div\u003e\n    \u003cdiv class=\"use-item\"\u003eReplacement for failed or noisy factory blower fans\u003c\/div\u003e\n    \u003cdiv class=\"use-item\"\u003eAny application needing a compact 40mm radial fan\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003chr class=\"divider\"\u003e\n  \u003cp class=\"section-title\"\u003eCommon Questions\u003c\/p\u003e\n  \u003cdiv class=\"faq-item\"\u003e\n    \u003cdiv class=\"faq-q\"\u003eWill this connect directly to my 3D printer board?\u003c\/div\u003e\n    \u003cdiv class=\"faq-a\"\u003eThe fan uses a standard 2-pin XH2.54 connector. Most 3D printer control boards (SKR, BTT Octopus, Creality boards, etc.) have a dedicated part cooling fan port that matches this connector type. If your board uses a different connector, a simple adapter or re-pin is required.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"faq-item\"\u003e\n    \u003cdiv class=\"faq-q\"\u003eWhy choose dual ball bearings over sleeve bearings?\u003c\/div\u003e\n    \u003cdiv class=\"faq-a\"\u003eSleeve bearing fans are cheaper but degrade faster — especially in high-temperature or non-horizontal mounting orientations. Dual ball bearings maintain consistent performance across all mounting angles and last significantly longer, making them the preferred choice for 3D printers where the fan may run continuously for thousands of hours.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"faq-item\"\u003e\n    \u003cdiv class=\"faq-q\"\u003eCan I run this at lower voltage for reduced speed\/noise?\u003c\/div\u003e\n    \u003cdiv class=\"faq-a\"\u003eYes — most 3D printer boards control part cooling fans via PWM, allowing you to set fan speed as a percentage in your slicer or firmware. The fan will start reliably from around 40–50% duty cycle. Running at lower PWM also reduces noise further below the already-quiet 25.5 dBA rating.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003chr class=\"divider\"\u003e\n  \u003cp class=\"note\"\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Red wire = positive (+), Black wire = negative (−). Connector type is 2-pin XH2.54.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"CAIZHU","offers":[{"title":"Default Title","offer_id":42661921161312,"sku":"FAN-4010-BLW-12V-DBB","price":7.74,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/6127\/0112\/files\/IMG_3433.jpg?v=1774512685","url":"https:\/\/www.nznelectronics.co.nz\/products\/caizhu-4010-blower-fan-12v-dual-ball-bearing-brushless-dc-fan-3d-printer","provider":"NZN Electronics","version":"1.0","type":"link"}