Suitable for the DC motor (or DC load) within 20A. - PWM Frequency: 25kHz;. - Colour: White. - Duty Cycle adjustable: 5%-100%. TO CHANGE MOTOR DIRECTION, INTERCHANGE THE POSITIVE AND NEGATIVE WIRES OF MOTOR.
eBay
4 Pin PWM Fan Speed Motor Controller With Knob Switch 1-channel Fan Speed Regulator Electrical Equipment Governor For laptop Fan
Aliexpress UK
Adopt imported thyristor BTA41-600B and 25A rectifier bridge, superior performance. Compact size and light weight, easy to carry and operate. Armature output: DC 10-210V or so. Ideal for direct current machine.
eBay
DC6-24V 1000W BLDC 3 Phase DC Brushless Motor Driver Hallless DC Motor Drive Board Speed Controller Regulator
Aliexpress UK
Regulates the speed of the DC motor over a wide range and allows the direction of rotation to be reversed with a 3-phase forward/off/reverse switch. DC motor speed regulator. This allows the motor speed to be regulated more precisely.
eBay
Rocket TS160V2 Pro 160A ESC Sensored Brushless Motor 2-3S Speed Controller Programmer Card For 1/10 1/12 RC Model V4S V5R Motor
Aliexpress UK
It is made with high quality circuit board which ensures a longer service life. The current can be adjusted from 0A to 30A which is quite convenient to set. Designed with a digital display that shows the rate in percent of actual speed to maximum speed.
eBay
DC6-24V 1000W BLDC 3 Phase DC Brushless Motor Driver Hallless DC Motor Drive Board Speed Controller Regulator
Aliexpress UK
PWM frequency: 13kHz. The LED display displays the PWM output duty cycle. The circuit also includes the function of digital display whose digital tube display the duty ratio. Duty Cycle adjustable: 0%-100%.
eBay
DC 12 To 36V 500W 15A Brushless Hall Free Motor Driver Board Motor Foward Reverse Speed Controller Control Switch Module
Aliexpress UK
It supports a rated current of 10 A with a limit of 18 A and operates effectively at a frequency of 50 Hz/60 Hz.
eBay
DC 6V 12V 24V 5A CCM5D Digital Display LED Motor Controller PWM DC Motor Controller Variable Speed Regulator
Aliexpress UK
Power: 1200W. It is made with high quality circuit board which ensures a longer service life. Wide application: Suitable for DC motors within 20A. PWM Frequency: 25 KHz. High quality circuit board ensures stable and durable performance.
eBay
DC 12-40V 12V-40V 10A PWM Motor Speed Control Switch Controller Volt Regulator Dimmer
Aliexpress UK
The speed governor is small in size and light in weight, and can be used alone or directly installed on a DC motor to form an integrated DC speed regulating motor. PWM Frequency: 25kHz. The motor can be positive or negative, when the running direction is inconsistent with the expectation.
eBay
12V 24V 48V 2000W MAX 10-50V 40A PWM HHO DC Motor Speed Control RC Controller Manufacturer Direct Supply
Aliexpress UK