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Top 10 12 Volt Variable Speed Switch of 2020 – Consumer Guide & Reviews

Rank No. #1
Motor Speed Controller, Universal DC 12V/24V Motor Speed Controller Switch For Car Truck Fan Heater Control for Adjusting Speed of Automobile Fan Heater, Defroster, Fans, etc 10A
  • ☛This is an improved fan heater control switch, designed with a heat sink that will provide better heat dissipation.
  • ☛ Universal adjustment for 12V or 24V, supports high power, 120W to 12V, 240W to 24V.
  • ☛Type continuously variable, rated thermal current is 10A, Easy to wire, easy to use, it is an excellent replacement for broken.
  • ☛Widely used to adjust the speed of the fan heater, defroster, fans, etc.
  • ☛ If you have any questions, do not hesitate to contact us immediately, we will answer you as soon as possible.
Rank No. #2
DC Motor Controller, Yeeco DC 10-60V 12V 24V 36V 48V 60V DC Motor Speed Controller, PWM Stepless Brushed Motor Control, Variable Speed Control Generator Kit with Control Switch
  • WIDELY OPERATING RANGE:Input:DC 10-60V,max drive current is 6A,Maximum wattage is 300W,PWM pulse width adjustable range: 10%-100%
  • ADJUSTABLE KNOB:DC brush motor speed driver is designed with a voltage adjustment knob, very convenient for voltage control., DC output stepless adjustable.
  • WIRING TERMINALS DESIGN: The wiring terminals adopts fence type design and is with safety cover, and there is wiring marks on each terminal, please follow the marks when you are wiring.
  • SPECIFICATION:Small Size:0.4×3.9×2.4inch, DC motor speed controller has high precision, wide speed controlling range, low power consumption and long service life
  • OCCASION:Pwm dc motor speed controller widely used for speed governing device drivers of packaging, printing, electronics, instrument meter, clothing machinery, medical machinery and other industries
Rank No. #4
Onyehn PWM DC 10-60V Motor Speed Controller 12V 24V 36V 48V 20A High Power HHO Driver Module RC Speed Regulator Stepless Variable Rotary Switches Pulse Width Modulator Waterproof Shell
  • Duty Cycle Adjustable: 5%-100%
  • Duty Cycle Adjustable: 5%-100%
  • Output Power: 12V*10A=120W,24*10A=240W,36V*10A=360W,48V*10A=480W
  • PWM Frequency: 25kHz
  • Practical shell,waterproof ,simple and easy-to-use,stable performance.
SaleRank No. #5
UTUO Variable Power Adapter, 3~12V DC Adjustable AC to DC power dimmable transformer for motor speed and led light brightness control, 12V 24 Watt 2A Output Max.
  • Variable power adapter, 110-240V 50/60Hz input AC to DC power transformer integrated a 3-12V 2A 24 Watt (Max.) Output Dimmer.
  • Stepless adjustable with Switch function, easy to power and control the motor speed or light brightness range from 3v to 12v, 2A,24 Watt Max.
  • Simple and Fast Connection, Universal 5.5*2.1mm DC male jack with a solderless terminal for extra connection requirements.
  • Built-in safety protection, over loaded protection, over temperature protection, short circuit protection.
  • Compact and Universal, suitable for 12v dc fan, 12v dc blower, 12v led strip under max. wattage output.
Rank No. #6
Wixine 1Pcs 12V 24V Max 20A PWM DC Motor Stepless Variable Speed Control Controller Switch
  • CCM5S DC Motor Speed Regulator controls the speed of a DC motor by adjusting Pulse-Width-Modulated (PWM).
  • Suitable for the DC motor (or DC load) within 20A.
  • Adjustable speed range is from 0%-100%.
  • Package Included:1Pcs 12V 24V Max 20A PWM DC Motor Stepless Variable Speed Control Controller Switch(If there are any problems with the product, please send us pictures.Tell us more details about this problem.)
  • Thank you so much for your purchasing from our store.Any question ,please feel free to contact us.
SaleRank No. #7
6-60V 12V 24V 36V 48V 30A PWM DC Motor Speed Controller Digital Regulator Variable Speed Switch Display LED Control Circuit Board Start Stop Switch
  • ★【Feature】: This motor speed controller uses screw terminals for convenient and quick wiring. Comes with a momentary start/stop switch and a speed control potentiometer.
  • ★【Stable Function】: This simple and easy-to-use DC motor speed controller has an stable performance. Speed controller is made with high quality circuit board which ensures a longer service life.
  • ★【Design】: Designed with a digital display that shows the rate in percentage of actual speed to maximum speed.
  • ★【Input Voltage Range】: DC6V-60V (input voltage should be same as motor rated voltage)
  • ★【Note】: Please allow small size error due to manual measurement. Thanks for your understanding.
Rank No. #9
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. #10
DC 10-60V MAX 20A PWM Motor Speed Controller Regulator Motor Driver Governor Stepless Variable Rotary Switches 12V 24V 36V 48V Pulse Width Modulator for 775 Motor and More
  • Soft Start Switch --- soft start can solve the damage caused by instantaneous high current to speed controller
  • Blocking Protection(20A current limited) --- can limit the high current produced by the blocking of the motor, also with low voltage and stall/over-current protection
  • Easy to Use --- Rotary panel switch control makes it more easy to control the speed steplessly with high accuracy
  • Ultra-high Power Control --- The maximum current is 20A, it is recommended not to exceed it.
  • Barrier Terminal Block Wiring --- Convenient for wiring connecting, ideal item for elctronics DIY
Rank No. #11
2 packs 12V-40V 8A PWM DC motor controller Variable speed governor Speed control knob with reverse polarity protection 12v variable speed switch pulse width modulator
  • This product is suitable for the speed regulation of DC12V - 40V DC motor, fan, fish tank oxygen pump and other products. Maximum 40V * 8A = 320W Input voltage: DC12V - 40V Control power: 0.01W - 400W Applicable current: rated current 8A, maximum passing current 10A, quiescent current 0.02A [standby state] PWM pulse width speed range: 10% - 100% PWM frequency: 13khZ
  • The DC motor speed controller allows the use of pulse width modulation (PWM) DC voltage to control the speed of the DC motor, and the duty cycle can be fully adjusted from 0% to 100%.
  • Easily deliver 8A continuous current to your DC motor or other DC load. Input power supply voltage: 12V-40VDC motor speed controller,
  • The potentiometer can be removed and replaced with an external connection type. The interface is ready to go without having to stick to the board. If you need forward and reverse functions, you have reserved a positive and negative potentiometer socket. You can install as needed. With 10A fuse [5mm * 20mm standard], with reverse power protection, overload protection
  • Let you be satisfied with our services, not just our products. If you are not satisfied with our products for any reason, simply contact the support department for a replacement or refund. We will answer any questions you may have within 24 hours.
Rank No. #12
AC Infinity MULTIFAN S7, Quiet Dual 120mm USB Fan, UL-Certified for Receiver DVR Playstation Xbox Computer Cabinet Cooling
  • Ultra-quiet UL-certified USB fans designed to cool various electronics and components.
  • Features a multi-speed controller to set the fan’s speed to optimal noise and airflow levels.
  • Dual-ball bearings have a lifespan of 67,000 hours and allows the fans to be laid flat or stand upright.
  • USB plug can power the fan through USB ports found behind popular AV electronics and game consoles.
  • Dimensions: 4.7 x 4.7 x 1 in. per fan | Total Airflow: 104 CFM | Total Noise: 19 dBA | Bearings: Dual Ball
Rank No. #13
Citphto DC Motor Speed Controller 12V 24V Universal Electronic Speed Regulator with Metal Shell Rotary Switches for Car Van Heater Voltage Control
  • 【Universal】Voltage 12V or 24V. Overload current: 20A. Supports high power, 12V/120W, 24V/240W
  • 【Features】Easy to adjust and control speed of DC motor, simple wiring and convenient to use, a great replacement for broken one. Extra long knob screw to meet installation needs
  • 【Wiring】Red wire connected to the positive pole of power supply and motor, blue wire connected to the negative pole of motor, black wire connected to the negative pole of power supply
  • 【Heat dissipation】This electronic stepless speed controller is a upgraded fan heater controller with metal coating that will ensures a better heat dissipation
  • 【Application】Widely used for 12-24V DC electric appliances. Adjust motor speed, automobile fan heater control, defroster, fans speed regulation, etc
Rank No. #14
DC 12V/24V Universal Motor Speed Controller Switch for Car Truck Fan Heater Control
  • This electronic stepless speed controller is a upgraded fan heater controller with heat sink that will ensures a better heat dissipation.
  • Easy to adjust and control speed of DC motor, simple wiring and convenient to use, a great replacement for broken one.
  • Widely used for adjust motor speed, automobile fan heater control, defroster, fans speed regulation, etc.
  • Red wire connected to the positive pole of power supply and motor, blue wire connected to the negative pole of motor, black wire connected to the negative pole of power supply.
  • Way of connection: The red wire is connected to the positive pole of the power supply and the positive pole of the motor; the blue wire is connected to the negative pole of the motor; the black wire is connected to the negative pole of the power supply.
SaleRank No. #15
RioRand 7-70V PWM DC Motor Speed Controller Switch 30A
  • Potentiometer cable(about 15CM) can be separated, with running stop brake function
  • Suitable for long hours of work:Circuit optimization design,stable
  • Adjust the motor smooth no noise no vibration,with power indication,wide duty cycle adjustment range
  • Using imported high-voltage MOS tube, three pressure 100V high-frequency low-resistance capacitors, automotive fuses
  • PWM frequency: 12KHZ
Rank No. #16
PEMENOL Motor Speed Controller PWM DC 5V 12V 24V 150W Adjustable Speed Regulator with Stepless Variable Rotary Switch PWM Signal Generator Driver Module
  • ★Digital rotary encoder button:The rotary encoder adopts the principle of digital pulse, the output will be as much as you rotate it, and the same value will be input when you rotate it next time. Good repeatability, high precision, can be quickly adjusted to the value you want
  • ★Soft-start protection:The motor controller has a soft-start protection function that can effectively reduce the inrush current, protect the motor and prolong the life of the motor
  • ★Duty cycle, duty cycle upper and lower limits and working frequency can be set:The 3 digits LED motor speed regulator can adjust the duty cycle, the upper and lower duty cycle limits and the operating frequency. Convenient for customers to use according to the working characteristics of their own motors. The adjustable electronic speed controller can automatically save the set parameters to prevent data loss after a power failure
  • ★With the start and stop button: The PWM DC motor governor with start and stop button, and can be controlled by an external switch, meet your multiple control needs. Maximum power: 150W. Working voltage: DC5V~30V, input with anti-reverse connection protection
  • ★Note: This product can only be used for DC brushed motors, not for brushless motors. For more details, please read the user manual: https://m.media-amazon.com/images/I/91Yf0pb0V9L.pdf
Rank No. #17
DC Motor Speed Controller Universal DC 12V 24V 10A Electronic Stepless Speed Regulator Switch for Car Truck Fan Heater Control
  • 【Universal】Voltage 12V or 24V. Overload current: 10A. Supports high power, 12V/120W, 24V/240W
  • 【Features】Easy to adjust and control speed of DC motor, simple wiring and convenient to use, a great replacement for broken one. Extra long knob screw to meet installation needs
  • 【Wiring】Red wire connected to the positive pole of power supply and motor, blue wire connected to the negative pole of motor, black wire connected to the negative pole of power supply
  • 【Heat dissipation】This electronic stepless speed controller is a upgraded fan heater controller with heat sink that will ensures a better heat dissipation
  • 【Application】Widely used for 12-24V DC electric appliances. Adjust motor speed, automobile fan heater control, defroster, fans speed regulation, etc
Rank No. #18
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.
Rank No. #19
Cionyce PWM DC Motor Speed Controller Switch DC 5V 12V 24V 5-15A 150W, Adjustable Stepless Speed Regulator Switch PWM Signal Generator Driver Module with Digital Display
  • Package Includes: 1 x PWM DC motor speed controller switch with digital display
  • Motor Soft Start Function: When starting the motor, the current increases slowly, without inrush current, which effectively protects the motor and prolongs the service life of the motor
  • Start-Stop Button Design: Infinitely variable speed controller with a start-stop button design, and can be controlled by an external switch to meet various needs
  • Higher Precision: With digital display, higher precision than ordinary potentiometers. At the same time, you can set the duty cycle, the upper and lower limits of the duty cycle, and the working frequency, so that you can operate and use according to the working characteristics of the motor
  • Excellent After-Sales Service: We focus on quality and after-sales service. If you are dissatisfied with our products, please let us know. We promise to give you 100% satisfactory after-sales service. No risk. Don't hesitate. Just buy it.
Rank No. #20
Onyehn DC Motor PWM Speed Controller3V 6V 12V 24V 35V Speed Control Switch Mini LED Dimmer 5A 90W(Pack of 2pcs)
  • Mini Style DC Motor Speed Regulator controls the speed of a DC motor by adjusting Pulse-Width-Modulated (PWM).
  • Mini DC 6-35V 5A PWM Motor Speed Controller. Wide voltage DC motor speed controller, PWM duty cycle: 1% -100%.
  • Default disconnection of short circuit point, suitable for 5-35V input. Manually connect the short circuit point according your needs, suitable for low power 3-15v input.
  • By screwing the potentiometer, you can turn off power supply output. High voltage and high current resettable fuse, overcurrent automatic disconnection, power off for cooling for a few seconds fuses automatic recovery.
  • It is not only to use for dc motor controls of the speed,but also to use for adjust the LED light.

Last update on 2021-08-27 / Affiliate links / Images from Amazon Product Advertising API

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