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This controller uses novel bi-directional high-power SCR. It can be very convenient adjust the current up to 25A, and solve the over current problem of the heating wire resistance is too small in the case of cooling causing good.
The output voltage is adjusted anywhere between 50V-220V for use with electrical appliances. It can use to such as electric stove, water heater tune thermal, lighting dimmer, small motor speed, electric iron thermostat, and achieve dimming, thermostats, pressure regulator effect.
100% brand new and high quality.
Input supply voltage: 110V ~ 250V AC
The output voltage:50V-250V
The maximum output power: 2000W
The maximum output current :25A The voltage regulating range:50V-250V AC
Before you attempting to wire the controller, make sure all power is disconnected.
1. Cut any one of the battle line or zero line of the lamp or electrical appliances, and connect wires refer to the “wiring diagram” (NO.7 picture)
2. Turn on the power, and adjust the potentiometer.
Package Include:
1* AC Motor Speed Controller Output Voltage 50-220V
SHUAH719
Reviewed in the United States on February 14, 2025
Arrived quickly, works exactly as described. Thank you!!Will definitely recommend this product!!💯
Nicola B.
Reviewed in Italy on August 28, 2024
Ho acquistato questo regolatore per regolare la velocità di motori a spazzole e non, come motori per ventole di raffreddamento e trapani. Lavora bene e non scalda eccessivamente.
J.Morris
Reviewed in the United States on July 19, 2024
Used on 16 ohm resistance coil in a NESCO Gardenmaster food dryer. The circuit board of the NESCO dryers fail after a few months of continuous use (I’ve gone through like six of them). Needed to replace NESCO’s circuit with something more reliable so that I can adjust thermal output of the coil for different applications (drying meat vs herbs, etc) without spending $150 every year. Wired this up to the coil and it tested good! Did what it was supposed to. Now I’m reassembling the dryer and rewiring this device in a project box for prolonged use.We’ll see how the HiLetGo stands the test of time. But even if it fails at the end of the season, at least it’s an inexpensive replacement part, vs buying an entirely new dryer.
Stevo
Reviewed in the United States on June 14, 2024
I bought this little controller to slow down a 110 vac exhaust fan about 10% or so. It was very noisy.I mounted it into a single gang box and it seems like it gets hot in there so I will probably have to vent the box somehow. But it works! It works good. There are no instructions and I read some of the other reviews so I was careful wiring it up. All of my adjustment is in the first 25% of knob rotation but overall it works and I am happy with my purchase. It fixed my noisy fan for 7 bucks!
Curtis Bess
Reviewed in the United States on June 1, 2024
It works good just that the soldering on one of the electronic components was broken so I had to do back the soldering on it but it works and ease of installation
Durjoy Deb
Reviewed in India on December 15, 2024
Product received, working fine
Michael L.
Reviewed in the United States on July 16, 2023
For everyone who is curious about how it works. I wired this up to a 60w incandescent light and observed the wave. This appears to he a triac controlled device, when the dial is turned down cuts the sine wave down, when it's turned up, it allows it to go up. At full speed the wave is still partially cut but only slightly, that's just because of efficiency.This works great on my CNC shop vac, and other universal motor speed controls. Works great on resistive loads like motors, light bulbs, and probably AC heaters too (depending on the type). (Does not work on led light bulbs as they function different internally).For those of you who want to use this to vary the voltage, this won't work.The rms voltage will change a little but since the sine wave is only shortened it will still hit the high voltage levels of ~169v peak unless the wave is shortened to just a tiny piece of it. When I initially tested this is was giving full voltage full duty Cycle the whole time, it wasn't until I put a resistive load on the device that it actually began working.I have several of these because for my uses they work fantastic.
Customer
Reviewed in the United States on September 9, 2021
Contacted Toro to buy a new switch but they will not sell it; I am assuming for liability reasons. So I bought this and installed it successfully. I did have to trim some plastic in the mounting area of the old switch and splice some wire but I used the leaf blower all last fall without a problem.Now this year (2021) I went to use it and it failed. I started trouble shooting the board and found that the BTA16 Triac was blown. I had some so I replaced it and found the the speed was no longer controllable and blew another BTA16-600B Triac. I then started to test the other components and found that both of the resistor pots are bad. I think the components poor quality and the heat sink cannot handle the heat of the TRIAC.
Ernesto Millán Capote
Reviewed in Spain on May 11, 2021
Lo he utilizado para regular el motor de una lavadora cuyo pico máximo está en 14.000 Rpm. La verdad es que el aparatito cumple su función. Me hubiera gustado disponer de un medidor de potencia decente para disponer de más datos pero (ya lo comprare) para lo que necesito va muy bien. Además por el precio de uno vienen dos en el paquete. Peros? no me parece muy preciso pero co o ya he dicho más arriba no tengo datos y es una opinión subjetiva, a base de oído. No parece que le quite mucha fuerza al motor y en las velocidades más bajas, (unas 2000/2500 Rpm imagino) tiene tracción de sobra. Ideal para una pulidora por ejemplo.En la foto se puede apreciar la instalación en la cajita de la izquierda, mirad que cuco ha quedado...jajaja
Shawn Hudson
Reviewed in the United States on March 1, 2019
Being in the electrical field and working around motors I had a good feeling this would not work, but I thought what the heck, its only 5 bucks so I will give it a try.I have a single phase .5 HP 110V 1725 RPM motor I wanted to use on a pig roaster so need to reduce the speed way down.Got it hooked up correctly and it only reduces the speed to maybe 1000 RPM. If you reduce it any lower the motor goes into whats called slip speed where the motor loses relative motion causing a jerking motion on the motor that doesn't stop until u increase the voltage some.Its not voltage that increases or decreases the speed on a single phase motor, its line frequency which is HzYou need a VFD which changes the line frequency to reduce the speed of a single phase motor, not a volate regulator.Yes this may work on lights as a dimmer but you cannot control speed with it so I would suggest you change the advertising of this to just a dimmer not a AC motor speed control.
J. HOOK
Reviewed in the United States on December 18, 2019
I bought one of these to lower the voltage on some strings of old Christmas lights to prolong the bulb life. They will only draw about 2A so the unit will not overheat. However, upon examining the product I see that it uses a BTA16 triac that is rated for 16A RMS, not the claimed 25A RMS, so that resulted in the 4 star rating instead of a 5 star. I also doubt it could control 2000W without a fan cooling it without burning out. In this type of controller the limiting factor is going to be heat removal because the heatsink is very small. As an experiment I connected it to a Christmas tree with lights that consume 5.2A at 120VAC (measured with a clip-on ammeter) to see how hot the heatsink got. As expected, it got over 224F (the room was 68F) within a few minutes (hotter than boiling water) and hotter than I would feel comfortable with. The semiconductor chip inside the triac chip is running even hotter, probably by 15F or so, so that is getting close to the maximum operating temperature of 150C for the triac. I feel comfortable using it with my 2A Christmas lights string but I personally wouldn't go much above that.Assuming that you use the unit at lower currents I think this is a great value. It is well packaged and works fine. However, it has wiring connections with the AC line voltage exposed, very unsafe around young children or pets, so it should really be in some sort of protective enclosure. It would not be easy to enclose it since there are no mounting holes on the circuit board and enclosing it could result in even higher temperatures unless the enclosure had good ventilation including possibly a cooling fan.
celine lacoste
Reviewed in France on December 17, 2015
Ne pas acheter reçu. Mais ne fonctionne pas et le fournisseur ne veut rien savoir il dit qu'ils sont testée et que c'est nous qui ne savons pas s'en servir ils nous prennent vraiment pour des tocards.aucun retour possible pour échanger et aucun remboursement super !!! Un produit défectueux de mauvaise qualité. A éviter
Mr. C. E. Oates
Reviewed in the United Kingdom on October 15, 2014
Fantastic device - costs nothing.Despite the blurb saying 100-200v I'm using these on 50v motors which are controllable down to 30v which is all I needed.
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