EC axial high performance fan Cylindrical tube made of galvanized sheet steel, with impeller enclosing on both sides formed flange, hole pattern according to DIN 24155, standard terminal box (protection class IP 54) on the outside of the pipe. Wheel with high performance characteristics with profiled plastic blades, aerodynamically optimized for application, dynamically balanced. Energy-saving, controllable EC external rotor motor in protection class IP 54 with the highest degree of efficiency. Maintenance and radio interference-free, excellent electromagnetic compatibility (EMC), with ball bearings. Integrated electronic temperature monitoring for EC motor and electronics. Continuously variable control using the rotary speed potentiometer. The control by three-stage switch or infinitely variable via universal control system or electronic differential pressure/temperature controller is possible
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