Infinite rotary speed controller: This product has the function of adjusting the fan motor speed. When using it, you just need to turn the knob switch clockwise. The fan speed will change evenly from large to small. It is widely used in homes, offices, factories and other places where airflow needs to be controlled.

Three types of switch: full large panel (D8 / D8B series); Medium-Large Modular with frame (D29 / V8-Z8 series); Small Modular with frame (V8-RP / D5 series).

Parameters:

Output Power：＜300W

Power Frequency: 50 / 60Hz;

Operating Temperature: -20℃～+40℃

Working Humidity: ≤95%