2507 Mini Air Blower 25mm Centrifugal High Speed Low Noise Level Industrial Fan

2507 mini air blower 25mm centrifugal fans high speed low noise level industrial fanProduct descriptionGeneral Specifications and use of environmentFrameThermal Plastic,Environmental Protection & FireproofImpellerThermal Plastic,Environmental Protection & FireproofBearing typeSleeve bearing or double ball bearingLead wiresRed +,Black -, default 200mm length,can be customized lenthMotor ProtectionImpedance Protected;Reverse Polarity Protected;Automatic RestartOperating Voltage4.5~5.5V,10.2-13.8V(That's the suggest working voltage,not startup voltage)Operating Temperature/Humidity-10ºC~70ºC,15~85%RHStorage Temperature/Humidity -40ºC~80ºC,15~85%RHMeasurementSpecificationDimensionModelRated voltage(V)Current Amp(A)Speed(RPM)Air flow(CFM)Static Presure(mmH2O)Noise level(dBA)Weight(g)FGRDPWMAuto Restart25X25X07MM2507L50.07100001.453.0426.74.8√√√√2507M50.13130002.185.5529.64.8√√√√2507H50.18180002.967.9532.54.8√√√√2507L120.04100001.453.0426.74.8√√ √2507M120.06130002.185.5529.64.8√√ √2507H120.10180002.967.9532.54.8√√ √Spare parts-connectorBearing type contrast Sleeve bearingDouble ball bearingSupport functionFG,RD,Auto Restart function(not normal,optional)FG,RD,PWM,Auto Restart(Not normal,optional)BrandNSK brand imported from JapanMade in ChinaAdvantageStable performance,low current amp,low noise,50000-80000hrs lifespanLow cost,20000-30000 hrs lifespan,suit for small household applianceWarranty30000 hours10000 hoursMaterialStainlessCopper sleevePriceHigherlowerCertificationsCertificationsPacking & ShippingFAQ1. What's the difference between the sleeve and ball bearing fan?The ball bearing brand was NSK bearing imported from Japan.The warranty for ball bearing fan is 30,000 hours but sleeve bearing just 10,000 hours.Ball bearing has 5-8 years lifetime,sleeve bearing has 2-3 years lifetime.Ball bearing fan noise level won't change for a long time term,but sleeve bearing fan noise level will grown as time goes on.Sleeve bearing is cheaper than ball bearing fans.2. What kind of function can we choose for fan?Optional function :Auto-restart ,Speed detection,Stppage Alarm,Waterproof(IP55-IP68 optional), PWM function ,Temperature control etc.3. How long can your wire length be ?The wire length and terminal could be customized as your request. We just need the picture of connector and rank of wires for confirm.(Default wire length is 200mm)4. What's your MOQ and delivery date ?MOQ200PCSSample lead time:5 working daysMass production:15 working daysWaterproof fans need 1 more week/* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1