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Best Motor Speed Controllers Deals Online in the US (10 deals found)

Last Updated - May 2, 2026 Sort By:

Best Choice

New
High-Capacity AC Motor Speed Controller 120V 15A 4000W - Universal Variable Speed Regulator with Advanced Overload Protection & Bright LED Display for Fans, Power Tools & More
HIGH-CAPACITY 4000W PERFORMANCE & ACCURATE ADJUSTMENT: Unleash the potential of your AC motors and fans with 120V/15A power, handling up to 4000W resistive loads (heaters, kettles) and 1500W inductive loads (fans, drills). The precision knob and bright LED display facilitate accurate speed and power adjustment

$17.77
11% Off

New
Cdmall AC Motor Speed Controller 120V 15A Max - Variable-Speed Controller & Fan Speed Control with Overload Protection and LED Display for Hydroponics Inline Duct Exhaust Ceiling Fans
【Electrical Specifications】: Input Voltage/Frequency: 110-120V/60HZ; Current Capacity: 15A Max (Rated Current 10A);Resistive Load: Max 2000W;Inductive Load: Max 1500W;Fan Speed Controller with 3 ft Grounded Power Cord (US standard plug)

$17.77 $19.99
Best Value

New
AC Motor Speed Controller 100V-120V 15A Variable Speed Regulator for Router, Drill, Fan, and Polishing Machine - Electronic Voltage Regulator with Overload Protection and LED Display
Power Design: Input voltage 110-120V, supports variable speed controllers and AC motor speed controllers with a maximum current of 15A and a rated current of 10A, capable of handling resistive loads up to 4000W and inductive loads like fan speed controllers up to 1500W, meeting the needs of a wide array of equipment

$18.23 $29.99
New
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.

$7.99
New
RioRand 7-70V PWM DC Motor Speed Controller 30A - Low Heat Aluminum Housing for Brushed DC Motors, DIY Projects & Small Electric Devices (Extra Fuse Included) Green
7-70V Wide Voltage & 30A High Current – For brushed DC motors only (not brushless/AC power). Supports 1%-100% duty cycle (12kHz PWM) & 500W max output. Power limits: 12V≤250W, 24V≤350W, 48V≤450W, 60V≤400W. Reserve 5-10V margin (do not overload).

$14.98
New
KB Electronics KBMD-240D (9370D) Multi-Drive Variable Speed DC Motor Control, NEMA-1
Rugged all aluminum enclosure

$174.30 $187.32
New
Gebildet 2pcs PWM Low Voltage Motor Speed Controller DC 1.8V 3V 5V 6V 12V 2A 1803BK 1803B Adjustable Driver Switch with Speed Control Knob
【Motor Speed Controller】Ultra-low voltage dc motor governor with the chip model: NE555; Potentiometer with switch function; Use a 2A resettable fuse to protect the controller; Power-on indicator. This controller can continuous change device working current and completely cut off.

$5.69
New
Hosyond PWM DC Motor Speed Controller DC 7-70V 30A 12V 24V 36V 48V with 30 Amp Fuse
The design of wide voltage 7-70V and high current 30A has a wide range of applications, and the switch on the board has the functions of running, stopping and braking.

$12.99
19% Off

New
AC Motor Speed Controller 100V-120V 15A Max Variable Fan Speed Controller, Electronic Voltage Regulator for Electric Motors with Electronic Voltage Regulator & LED Display, and Overload Protection
MULTI FUNCTIONAL DESIGN: the main function of the ac 120v motor speed controller is to change the load power by reducing the main power supply. it is equipped with various protection measures, including surge protection, peak protection, and RC absorption. the variable speed controller has overload protection and overvoltage protection functions, when the instantaneous current exceeds 15A, the switch will automatically cut off the power to protect the controller

$23.49 $28.99
New
AC Motor Speed Controller 100V-120V 15A Max Variable Fan Speed Controller, Electronic Voltage Regulator for Electric Motors with Electronic Voltage Regulator & LED Display, and Overload Protection
MULTI FUNCTIONAL DESIGN: the main function of the ac 120v motor speed controller is to change the load power by reducing the main power supply. it is equipped with various protection measures, including surge protection, peak protection, and RC absorption. the variable speed controller has overload protection and overvoltage protection functions, when the instantaneous current exceeds 15A, the switch will automatically cut off the power to protect the controller

$26.99 $28.99

10 Motor Speed Controllers deals are available from: Amazon stores, starting from $5.69.
The biggest discount we found is 39% on AC Motor Speed Controller 100V-120V 15A Variable Speed Regulator for Router, Drill, Fan, and Polishing Machine - Electronic Voltage Regulator with Overload Protection and LED Display at Amazon.
The lowest price we found is $5.69 while the highest is $174.30.
Prices for the best Motor Speed Controllers deals average at $32.02.
Last updated on May 2, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Motor Speed Controllers.