... parallel to the track of the blade axis.Standard DC Axial fan sizes include 20mm,30mm,40mm,50mm,60mm,70mm,80mm,92mm ... or hybrid,wire lead or terminal,auto restart protection,locked rotor alarm,speed sensor(tachometer),temperature controlled speed,Heat-sinks are ... appliances and so on. For more information,you can contact with our sales representatives freely.Shenzhen Huaxia Guangda Electronic Co.,Ltd ...