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Equipped with a state-of-the-art bidirectional high-power SCR, this motor speed controller allows you to easily fine-tune your motor's speed to your desired level using the integrated rheostat. The product's output voltage is virtually displayed when there's no load connected.
Versatile AC Motor Speed Controller - 100V-120V, 15A Max - Electric Fan Speed Regulator with Overload Protection, Electronic Voltage Regulation, and Voltage LED Display. Brand: Azucyzi. 4.1 87 ratings.
These speed controls connect to an AC motor's power supply and adjust the current to regulate the motor's speed. They are used with shaded pole, permanent split control (PSC), and universal motor designs.
Since the control circuit is much less complex than a VFD, AC speed control motors are a cost-effective option vs VFD-driven AC motors. The phase control method also exhibits less electrical noise when compared to VFD-driven motors, where VFDs switch at a much faster rate.
AC Motor Speed Controller 120V 15A Variable Speed Controller & Fan Speed Controller, Electronic Voltage Regulator for Electric Motors with Overload Protection, LED Display for Precise Control
The benefits of variable-speed operation include reduced power consumption (only spinning the motor as fast as it needs to move, and no faster), reduced vibration (less speed = reduced vibrational forces), and the ability to ramp the motor’s speed up and down for reduced wear and tear on mechanical components resulting from acceleration forces.
AC Motor Speed Controller, 110-120V 15A 4000W Variable Speed Controller Regulator, Precise Safe Electronic Fan Variable Speed Adjuster with Overload Protection Switch, Line Length: 39.3". 28. 50+ bought in past month.