A DC fan is usually powered by 3v, 5v, 12v, 24v, 36v and 48v. It blows air along the axis of the fan, or parallel to the track of the blade axis. Standard DC Axial fan sizes include 20mm, 30mm, 40mm, 50mm, 60mm, 70mm, 80mm, 92mm,120mm, 150mm, and 200mm.
2. How to choose a DC fan?
To choose a DC fan, you should consider the points below fan size(mm): fan speed(rpm): fan airflow(cfm): fan noise level(dBA): fan start voltage(v): fan current(A): fan connector:
3. What is a Bearing?
Fan bearing includes Sleeve Bearing, Hydraulic Bearing and Ball Bearing, life expectancy of sleeve bearing fan is 30000 hours, hydraulic bearing fan is 40000 hours , while ball bearing is 55000hours or more.
4.What is the divery time?
Sample lead time:7-10 days Mass production Delivery lead time: 20 days Delivery Ways: DHL, UPS Door to Door service, By Air, By Sea, etc.
5. What can I do if we can not find the suitable fan model in the fan list?
Please feel free to contact us for customized fans.
* Such as: moisture roof, water proof, turbocharger, soft start, Reversible, temperature control, PWM speed control, the RD alarm and the FG signal etc.
IP 55: Protection of motor and PCB board against splashed water and humidity.
Speed signal: The fan uses a separate wire to output information about its speed, and thus about the speed of the rotor.
PWM control input: The speed of the fan can be changed via a pulse-widthmodulated signal. This signal is applied to a specially provided wire.
1. 100 % testing before the fan leave our factory
2. Good after services to every customer
3. We often give one-year warranty on quality of products, and will give your refund if any quality problems occurs when you receive our items.
1. The fan will be delivered by express ( FedEx, DHL, DHl or TNT ) for under 100 kg, our shipping agnet have perfect discount with these express company.
2. Large Measure are shipped by ship or by air as customer's requirements.
3. The fan can be dispatched by our truck driver if your factory is in Shenzhen, Dongguang or Guangzhou City.