高湿度保护轴向风扇专为连续工作设计 可以反向安装以便抽风或吹风 设计符合 DIN40040 第 3.3 项的 C 组规定的相对湿度范围 ### 注制造商部件号后缀R指示湿度保护### 直流轴线
* AC fans with external rotor shaded-pole motor. Impedance protected against overloading.
* Metal fan housing and impeller
* Air intake over struts. Direction of rotation clockwise, seen on rotor. Types 4890 N and 4840 N air exhaust over struts.
* Electrical connection via 2 flat plugs 3.0 x 0.5 mm.
* Impeller with 3 or 5 blades, see note for fan type.
* Optionally available: Models with reinforced flanges and single leads.
* Fan housing with grounding lug for screw M 4 and UNC.
* Mass: 550 g.
* Please note our new ACmaxx series. With identical mounting dimensions and voltages, this series achieves higher energy efficiency.