77438 variable controller products are offered for sale by suppliers on Alibaba.com, of which variable frequency drivers accounts for 18%, plc, pac, & dedicated controllers accounts for 3%, and other electrical equipment accounts for 2%.
A wide variety of variable controller options are available to you, such as new, 100% original.You can also choose from industrial, automated and industrial automation variable controller,as well as from black, white, and silver variable controller,and whether variable controller is steel, or plastic.