AC 220V 4000W SCR Electric Voltage Regulator Dimmer Temperature Motor Speed Controller With Fan

Price: $13.49
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Product Features

? This item has two-way large power silicon controlled rectifier and the current can be up to 20A, which is a good solution to over current of electric stove wire caused by low resistance during cooling ? Convenient to use, simply connect input terminals to either live wire or neutral wire(110V to 220V) and output to load, then rotate knob to control voltage ? With a wide voltage regulating range, the output voltage can be easily adjusted from 0V to 220V ? Could be widely used as heat controller on electric stoves, water heaters, light dimmer on lamps, speed controller on small motors, or temperature controller on electric soldering iron, etc ? The resistive load power should be less than 4000W, and power should be largely reduced(half or more) for inductive or capacitive loads, otherwise controller and load will burn out