ITEM NAME:AC Electric Regulator Motor Speed Controller 220V 4000W SCR Temperature Vol K4L9 AC Electric Regulator Motor Speed Controller 220V 4000W SCR Temperature Vol K4L9 Usage: Use voltage AC 110V-220V, the output is connected to the electric furnace wire or motor appliance, and rotate the potentiometer rotary lever to play the role of speed regulation, voltage regulation and temperature regulation; it is very convenient to use. This product is suitable for: using the new
