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NOTE:
1. Many motors do NOT support voltage regulation (for example, single-phase motors, dual-value capacitor motors, asynchronous motors, pumps, etc. are NOT supported.)
motor-type equipment can only be adjusted:
1): without the capacitor fan
2): power tools: hand drill, angle grinder, electric screwdriver, etc.
2.The input voltage is 0-110V, then the output voltage is 0-110V.
The input voltage is 0-220V, then the output voltage is 0-220V.
So both 110v and 220v can be used as the input voltage, But both cannot work at the same time. And it Input alternating current, the output is also alternating current, not direct current.
Technical specifications:
Input voltage: AC 110V-220V
Output voltage: 10-110V (adjustable)
Adjustable voltage range: 0 -110V
Max power: 4000W
Nominal current: 9A
Max. Current: 18A
Dimension: approx 4.53"*3.94" *2.36"
Weight:0.88lb
Package contents:1 * voltage regulator
Notice:
1. The output voltage measured under no-load state is a virtual voltage. It must be connected to a 20W or greater load to measure the correct output voltage.
2. The input is AC, and the output is also AC, not DC.
3. The above 4000W refers to the maximum power when working under ohmic load. Inductive loads are 1/3 of ohmic loads. Ohmic loads are related to tungsten bulbs, heating wires, etc. Inductive loads are associated with series-excited motors. Electronic products with printed circuit boards should be used with caution.
4. This product is a metal shell and must be firmly grounded
JJBunChu
Reviewed in the United States on March 10, 2025
Kind of strange wiring. Is apparently designed for 220 but it has a 110 plug. The female plug on the unit accepts a standard 110 plug, but the right side hot wire is wired straight through and the plug on the other end is not polarized. I marked the hot side of the plug so I can plug it in the right orientation. Since the hot side is wired straight through, the triac is on the neutral side. Everything works fine though once it is plugged in. I suppose you could come up with a scenario where this might be dangerous for some types of equipment - like if the neutral was bonded to the ground -but it works fine for what I'm using it for.
YEFIM G.
Reviewed in the United States on April 14, 2025
It is a good item
Customer
Reviewed in the United States on March 10, 2023
Wish I had a wire schematic with it. There is a different one on Amazon that is wired backwards. A bit concerned. Will know more tomorrow.
Cynthia Freund
Reviewed in the United States on February 10, 2023
Arrived with damaged wire, I would fix but it does not even regulate voltage in my testing so no point. A literal paper weight.
S. Pinkham
Reviewed in the United States on October 5, 2023
This PoS burnt out and melt down after 2 uses
mcm
Reviewed in the United States on January 6, 2023
used to control a heatervolts not stable under high load (but maybe just the one I had)returned and got got 2KVA Transformer Max 20 Amp Variable Transformer 0-130 Volt
James Meeks
Reviewed in the United States on January 5, 2023
This unit is actually a 220V rated unit. while it might be rated for 4000W, the wires are really small like 16GA or smaller. It will run on 120V, but I would not run anything more than 5A on it.
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