PNYZIK AC Variable Fan Speed Controller Fit for Fan Electric Motor Router Rheostat, 120-220V 15A 4000W Max SCR Voltage Regulator, Black

AC Variable Fan Speed Controller, SCR Voltage Controller Fit for Fan Electric Motor Router Rheostat, Variable Voltage Regulator 120V 220V 15A 4000W Max

HiLetgo 2000W PWM AC Motor Speed Control Module Dimmer Speed Regulator 50-220V Adjustable Voltage Regulator

5 Pcs AC 50-220V 2000W 25A Motor Speed Controller SCR High-power Electronic Voltage Regulator Module Motor LED Dimmerswith Speed Control Knob