High airflow 4 inch duct high air pressure cuboid silent metal box fan

1.All models incorporate DC variable frequency motor (permanent magnet synchronous motor) for lower energy consumption.

2.The fan is with forward curved centrifugal impeller, comply with the efficiency requirements of the ErP Directive.

3.The fan is with free speed control: 1~10V voltage speed control and PWM signal speed control.

4.Stable performance: overcurrent protection,overvoltage protection, over temperature protection, overload protection and shockproof.

Contact

1. The fan all models are lP44, class Finsulation.

2. The fan is portable disassembly for easier installation and maintenance.

3. The fan's working temperature range is from -20°C to +60°C.