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EC Axial Fans, also known as electronically commutated fans, are a type of fan that uses an advanced, brushless DC motor to achieve high efficiency and precise speed control. These fans are commonly used in HVAC systems, data centers, and other cooling applications where energy efficiency is a key concern. EC axial fans typically use less energy than traditional AC fans and can also offer variable speed control, making them more flexible and adaptable to changing cooling needs. Like DC axial fans, they are available in a range of sizes and speeds to suit different applications.

Frame: PBT OF UL 94V-0 Impeller: PBT OF UL 94V-0 Bearing Type: Sleeve Bearing / Ball Bearing / Hydro Bearing(optional) Lead wires: UL Type or Equivalent ( + ) : Red ( - ) : Black Motor Protection: Reverse Polarity Protected; Operating Temperature and Humidity:-10℃～70℃,5%～90%RH Storage Temperature and Humidity:-40℃～80℃,5%～95%RH

Industrial 20mm DC Axial Cooling Fans are widely used in welding machines, and mini size easy to install.