Hot Sell Waterproof 40*40*20mm 4020 Ip65 Speed Cooling Fan Cooling Mist Fans Standing
Product Description
Dimensions (length × width × height)
40*40*20MM
Bearing type
Two ball, sleeve, HY ,other
Certification
CE, ROHS, FCC
Material
PBT/ABS/Plastic
Thickness
25mm
Warranty period
5 years
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Company introduction
FAQ
Q1.What's the difference between the sleeve and ball bearing fan? The ball bearing brand was NMB bearing imported from Japan.The warranty for ball bearing fan is 50,000 hours but sleeve bearing just 20,000 hours.
Q2.What kind of function can we choose for fan? Optional function :Auto-restart ,Speed detection,Stoppage Alarm,Waterproof (IP68 optional), PWM function ,Temperature control etc.
Q3.What's your MOQ and delivery date ? MOQ 200PCS Sample lead time:3-5 working days
Mass production:10-20 working days for off peak season, 1 month for peak season Waterproof fans need 1 more week
Q4.What's your payment terms ? We accept Payment by T/T, Trade assurance order of alibaba.Accept 50% deposit +50% balance.
Q5. What is DC Fan and AC fan? A2: DC fan is power by DC voltage, always is 5V, 12V, 24V, 48V, 60V and 72V. AC fan is power by AC voltage, always is 110V, 220V and 380V.
Q6. How do we carry out quality control? Usually, there are two ways to monitor reliability during the manufacturing process. * Early Life Test This is used as a mean of process control aimed at identifying any latent manufacturing problems and determining the effectiveness of burn-in. Every day, 5 samples will be picked up randomly from one of the production lines for burn in at 50C+/-5C for 24 hours. *On-going Reliability Demonstration This is a longer-term program aimed at providing data on continuous basis to demonstrate the reliability of product. 10 units per month are randomly collected from one of the production lines for burn-in for 168 hours at 50C+/-5C. Units are monitored and tested on daily basis. Failed units will be analyzed and corrective actions taken where necessary.
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