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Feature:
Module Size: 85x55x38mm
Knob Inner Bore: 6mm
Max Power: 4000W (Resistive load ultimate power, reduce power for long time working)
Efficiency: more than 90%,while the test input is 110V, the efficiency is more than 80%, enhance the input voltage to get higher efficiency.
Work Voltage: AC 110V-220V
Voltage Regulation: AC10V-220V

Adopt imported 41A silicon controlled (SCR), 1.6 thickness FR-4 high temperature resistance circuit board, 35A 4-Bit binding post, safety capacitor + metal film capacitor double capacitor designed, effectively absorb surge and voltage spike, protect SCR, safer and higher efficiency. 

How to Use:
Connect the output of regulator to light, home appliances or circuit, and input to 220V AC power supply, then rotate the knob to adjust light, speed, voltage, temperature control. Can be used for water heater heat controlling, light dimming, small motor speed controlling, electric soldering iron tempering etc. AC voltage stability control.

Note that the load must be connected before voltage regulation

Thyristors are mainly used for resistive loads (electric heating wires, incandescent lamps, etc.), most single-phase AC motors can also be used, but there is no guarantee that they can be used. Other types of loads should be confirmed by the buyer. The fuse is not omnipotent and has a reaction time. If the current is too large, in addition to burning the fuse, the module may also be burned out.