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The Best Variable Voltage Switch of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Variable Voltage Switch of 2022. Check our ranking below.

2,711 Reviews Scanned

Rank No. #1
PWM Motor Driver, PEMENOL DC 5V 12V 24V 150W Motor Speed Controller Adjustable Speed Regulator with Stepless Variable Rotary Switch Signal Generator Driver Module
  • POWER OFF MEMORY FUNCTION: the motor drive module can automatically save the set parameters, which can effectively prevent data loss after power off. After startup, you can run according to the parameters set last time to improve work efficiency.
  • START-STOP BUTTON AND SOFT START FUNCTION: with start-stop button and can be external switch control. In addition, the motor drive module also has a soft start function. When it is opened, the current will increase slowly, reducing the impact of the current on the module, which can effectively protect the motor and extend the service life of the motor.
  • DUTY RATIO AND WORKING FREQUENCY CAN BE SET: DC motor governor can be set duty ratio, upper and lower limit of duty ratio and working frequency, convenient for customers to operate according to their own working characteristics of the motor.
  • DIGITAL ROTARY ENCODER: DC brush motor driver adopts digital encoder knob to adjust the motor speed. Compared with ordinary potentiometer, it has good repeatability, high precision, and can be quickly adjusted to the required value.
  • AFTER-SALES SERVICE: If you have any questions or needs after receiving the package, please feel free to contact us, we are more than happy to solve all kinds of problems for you.
SaleRank No. #2
HARMNEE AC Motor Speed Controller, AC 100V-120V & 15A Max, AC Electric Fan Variable Speed Controller Electronic Voltage Regulator with Overload Protection Switch & Voltage LED Display Screen
  • ♕【Technical Parameter】Input voltage: AC 100V-120V; Input max current: 15amps; Continuous current: 8amps; Resistive load: 2000W max; Inductive load: 1000W max
  • ♕【LED Display Screen】Show the real-time output voltage, make the machine working voltage visible
  • ♕【15A Overload Protection Switch】The switch will power off automatically when momentary current is over 15 amps to protect the controller.The switch is also with indicator light inside
  • ♕【Multi-function Output Socket】 Fit for US standard Type A, Type B plugs perfectly. Internal copper accessories adopt thickening phosphor bronze parts to ensure safety
  • ♕【Flame-Retardant Plastic Shell】High temperature resistance, anti-flame and safety
Rank No. #3
Gebildet 3pcs Mini DC Motor PWM Speed Controller, DC 5V-35V 5A Speed Adjustable Switch Module, 6V 12V 24V Variable Voltage Regulator Dimmer Governor Switching Build with LED Indicator
  • The mini style DC motor speed regulator controls the speed of a DC motor by adjusting Pulse-Width-Modulated (PWM), with the latest low voltage technology.
  • Voltage range: DC 5~35V, Current range: Within 5A, Adjustable Speed range: 0~100%, PWM frequency: 20khz.
  • The motor speed controller can easily provide a continuous current of 5A to your DC motor or other DC load; Default disconnection of short circuit point ,it is Applicable to 5-35V input voltage.
  • It is not only to use for dc motor controls of the speed,but also to use for adjust the LED light.
  • Note: Please connect this DC controller to DC power supply. Never connect directly to household power supply, or it will be damaged.
Rank No. #4
Variable Speed Controller, 120V 15 AMP AC Motor Speed Controller for Electric Fan Router Duct Exhaust Rheostat, Variable Voltage Regulator with Overload Protection Switch and LED Display Screen
  • Flexible Speed Adjustment: Speed Controller is adjusted by a precision potentiometer, which has high precision and high stability, and the control accuracy can reach 1 volt. There are 3 levels to control the speed change: low speed, medium speed and high speed, to meet your different application scenarios equipment speed requirements to ensure that equipment or systems are always running in their final state
  • Overload Protection: Governor has an overload protection function. When the instantaneous current exceeds 15 amps, the switch will automatically cut off the power. There is also an indicator light inside the switch to know the working status of the switch at any time. Input voltage: AC 100V-120V; input maximum current: 15 amps; continuous current: 8 amps; frequency: 60Hz; resistive load: maximum 2000W; inductive load: maximum 1000W
  • Safe and Durable: Variable Speed Controller is made of high-quality ABS plastic shell, which is high temperature resistant and flame retardant. The thickened body is more sturdy and not easy to deform, not easy to crack, and the insulating material is safer. The internal copper fittings are made of thick phosphor bronze, which has high stability and longer service life, so you can use it with confidence
  • Super Convenient: Speed controller has a unique design of the hook on the back. When operating the angle grinder, you can easily hang the speed controller on the tool bag or belt, which is more convenient to carry and use. The LED display of the speed controller displays the output voltage in real time, so that the working voltage is clear at a glance, which is convenient for you to adjust at any time, and provides convenience for your work
  • Wide Range of Applications: Speed controller is compatible with American standard Type A and Type B plugs, etc, and can adjust the real-time power of electric tools. It can be used to adjust electric fans, tungsten bulbs, electric furnaces, angle grinders, marble machines, blowers, heater etc. Not suitable for electrical appliances with built-in circuit boards or capacitors, such as water pumps, microwave ovens, induction cookers, rice cookers, LED energy-saving lamps, etc
Rank No. #5
72W Power Supply Adjustable DC 3V ~ 24V Variable Universal Switching AC/DC Adapter 100V-240V AC to DC Converter with LED Voltage Display and 14 Tips, for 3V to 24V Household Electronics - 3000mA Max
  • 【Adjustable Voltage】Input: AC 100~240V, 50/60Hz, Output Voltage can be adjusted from 3V to 24V DC (such as 3V 4V 4.5V 5V 5.5V 6V 9V 12V 14V 15V 19V 20V 24V). Wattage Max 3A, 72W; It can supply with amps less than 3A, such as 300mA, 500mA,1A, 1.5A, 2A, 2.5A, 3A.
  • 【Upgraded Version Power Supply】Built-in protruding rotatable button for adjusting the voltage suitable for your device ,The LED displays real-time voltage,which helps you control real-time condition of charging. The knob can be adjusted more evenly, and it can reach 13V ~ 14V by rotating 50%. Increase the off gear to turn off the power without pulling the plug.
  • 【Multiple DC Tips】Equipped with 14 frequently used plugs: Micro-USB, Type-C, DC terminal connector, 6.5x4.4mm+Pin, 5.5x2.1mm, 5.5x3.0mm+Pin, 5.0x2.5mm, 6.3x3.0mm, 5.5x1.7mm, 4.8x1.7mm, 4.0x1.7mm, 3.5x1.35mm, 3.0x1.1mm, 2.5x0.7mm. Universal ac adapter equipped with a reverse polarity converter. Our DC plug polarity: inner positive(+), outer negative(-). you can use this reverse polarity converter, which expands the application range of the adapter to a greater extent.
  • 【Widely Used】The 72W all-in-one multipurpose adapter fit for most AC/DC home appliances. Can be perfect for Wireless Router, ADSL Cats, HUB, Security Cameras, WiFi Camera, DVD Player, Audio/ Video device, 3D Printer, CCTV System, LCD Monitor, Bluetooth speaker, Sound bar, digital piano, portable Keyboard, IR illuminator, LED strip light and other household / portable devices. (Check dc jack before buy: 5.5x2.5mm, compatible 5.5x2.1mm)
  • 【Worry-Free Shopping】Package includes 1 x 3~24V 72W universal ac/dc adapter, 14 x DC tips, 1 x reverse polarity converter. Built-in multiple safety protection systems and safe to use. All products tested and shipped. If you have any questions about the product, please feel free to contact us before returning. We support 30 days money back guarantee, 24 months free exchange.
SaleRank No. #6
WOWOONE 2Pcs PWM DC Motor Speed Controller 12v 7.2v 6v 5v 3v 1.8v 2A 30W, Low Voltage PWM Speed Controller for Electric Motor, PWM Controller 1803BK 1803B, Variable Speed DC Motor Control with Switch
  • 【PWM DC Motor Speed Controller】Ultra-low voltage dc motor governor with switch function. With a self-recovery fuse 2A and a Power-On LED light.
  • 【High Performance】Maximum output power 30W. Input supply voltage DC 1.8V-15V. Maximum continuous output current 2A. Allows controlling the direction of a DC the motor using a Pulse-Width-Modulated (PWM) DC voltage with a Duty Cycle fully the product adjust from 0%-100%.
  • 【Secure Enough】The speed controller is equipped with a self-recovery fuse. When the current is too large, the fuse is automatically disconnected. After cooling, the fuse is automatically restored.
  • 【Please Note】①Please connect this DC controller to DC power supply. Never connect directly to household 220V AC power supply, or it will be damaged; ②Don't power supply larger than 12V. ③This is a speed governor with a maximum current of 2A, which can't drive larger than 0.5A continuous current / the 775 motor / children's car motor. Please confirm again before purchasing.
  • 【Widely Applications】It is suitable for the speed regulation of DC motor, fan, fish tank oxygen pump and other products in DC1.8V--12V.
Rank No. #7
DZS Elec 10A 12V-40V DC Motor Speed Controller 12V 24V PWM Variable Speed Regulator Governor Switch CCMHCN With Speed Control Knob
  • Type: DC 10A 12V-40V motor speed controller, high efficiency, high torque, low heat radiation.
  • Function: With power supply reverse polarity protection, over-voltage protection, 10A standard fuse over-load protection, more safer and reliable.
  • PWM Duty Cycle: 10%-100%, Control Power: 0.01-400W, adopting variable speed knob potentiometer to control motor speed.
  • Rated Current: 8A, Max Current: 10A, Quiescent Current: 0.02A (Standby)
  • Applications: Suitable for DC motor speed control, PLC speed control etc.
Rank No. #8
Variable Speed Controller AC Motor Speed Controller for Router Rheostat Exhaust Fan Drill, Electronic Voltage Regulator with Overload Protection and Voltage LED Display Screen, AC 100V 120V
  • Wide Application: Router speed controller can regulate speed, temperature, voltage and light, which is suitable for US standard A and B plugs, widely used in exhaust fans, electric furnaces, angle grinders, marble machines, blowers, Note: It can't be used in electrical appliances with circuit boards and capacitance electronic components, such as microwave ovens, induction cookers, rice cookers, water pump, washing machines, LED energy-saving lights etc
  • High Quality Material: Fan speed controller uses high-quality ABS plastic insulated flame-retardant shell, which is not discolored, deformed, cracked, high temperature resistant, The internal fittings are made of thickened phosphor bronze, which is safe and reliable in quality and has a longer service life, Note: Your device's startup current should be less than 15A. If it exceeds 15A, this product cannot be used
  • High Precision Display: Rheostat variable speed control adopts precision pressure regulating knob for voltage regulation, with high accuracy and good stability, Control accuracy can reach 1 volt, Through the digital display screen, you can accurately understand the working voltage of the machine, LED light makes the real-time voltage number clearer
  • Overload and Overvoltage Protection: Voltage controller is equipped with an independent switch to control voltage, with overload and short circuit protection function, When the instantaneous current exceeds 15 amperes, the switch will automatically power off, thus protecting the controller, You can also judge the working status of the switch through the indicator light
  • Back Hook Design: In order to facilitate the operation of the angle grinder, we specially designed a hook on the back of the governor, through which you can hang the governor on the tool bag of the tool kit, which is convenient to carry and more convenient to use, plug and play, simple and practical
SaleRank No. #9
KeeYees 7-70V 30A PWM DC Motor Speed Controller Switch Control 12V 24V 36V 48V with 30 Amp Fuse
  • 【Wide Voltage】: Wide voltage input 7-70V, maximum output current 30A (Please refer to the recommended power range for actual use current. It is recommended that 12V within 250W, 24V within 350W, 48V within 450W, and 60V within 500W. )
  • 【Speed Control Knob】: The knob has a switch function, which can control the motor speed from 0% to 100%. Adjustable potentiometer flexible cable can be separated, the cable length is 15CM.
  • 【30A Fuse】: This set contains a 30A fuse to prevent shorting of the motor interface. Double protection of your Motor and Motor Speed Controller.
  • 【Note 1】: The power of the input power supply must be greater than 1.5 times the rated power of the motor to make the motor work (note: the input voltage and the rated voltage of the motor must be consistent).
  • 【Note 2】: If there is a forward-reverse circuit regulator on the children's car, please be sure to connect the speed controller between the power supply and the forward -reverse circuit regulator of the children's car. Otherwise, the speed controller may be damaged.
SaleRank No. #10
PWM 0-30s Soft Start/Soft Stop Variable Speed DC Motor Speed Controller Battery Low Voltage Protection Recoverable Overcurrent Protection PWM Switch Control 9-70V 40A
  • 【5~70V Configurable Battery Low Voltage Protection】This pwm dc motor controller is an advanced version of 2.0A, including the functions of 2.0A.In addition have built-in battery low voltage detection, to prevent the battery from over-discharging and thus affecting the battery life, when the battery is lower than the set value, it will stop working;
  • 【variable speed pedals support】This dc motor speed controller supports variable speed control pedals, and also supports maximum speed settings in this mode to set the maximum safe speed your child needs;
  • 【0~30 Seconds Configurable Soft Start/Stop Time】This power wheels speed controller have soft start/Soft Stop can Reduce the impact of starting inrush current, prolong the life of the motor, and enhance the safety of children when upgrading children's electric vehicles;
  • 【Maximum 35A peak current automatic protection】After use this dc speed controller ,When the peak current exceeds 40A or the motor speed controller's continuous current exceeds 30A, the PWM will be automatically reduced, and the fuse will never need to be replaced;
  • 【More Design Margin】 There are 4 PWM CMOS tubes and 1 Freewheel diode. More safety current margin is reserved for more complex environments.

Last update on 2024-03-20 / Affiliate links / Images from Amazon Product Advertising API

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