It provides a continuous current of 3A to your DC motor or other DC load. The circuit includes a 3A. Current range: 3A.
eBay
48V 60V 64V 72V 1200W-1500W Universal Intelligent Brushless Controller Three-speed Control for Car Motorcycle Electric Vehicle
Aliexpress UK
The PWM switching frequency has to be much higher than what would affect the load (the device that uses the power), which is to say that the resultant waveform perceived by the load must be as smooth as possible.
eBay
Carrying Case for Speed Editor TourBox Elite Plus/Elite/NEO/Lite Bluetooth Controller for Video Photo Editing Color Grading
Aliexpress UK
Max current: 60A. - Accuracy circuit design, high efficiency, high torque and high power. - High frequency drive system. - Rotary knob: 100K (with Switch). Electric vehicles and cars cannot be used.
eBay
F21-4S 4 buttons singIe speed industrial Wireless Radio Crane Remote Control switches Hoist track crane Lift controller
Aliexpress UK
Continuous Power: 4000W. SPeed Adjust Range: 0-100%. Knob Size: 100K(with switch). Over-Current Protection: 80A.
eBay
2000W 12V 24V 48V High Quality MPPT Wind Turbine Battery Charging Controller Low Wind Speed Boost Waterproof Heat Dissipation
Aliexpress UK
It can realize slow celeration and slow deceleration. Blocking-protection function to prevents motor and governor from burning out due to blocking. The display rate can be set cording to the user's display needs, and the display can be converted automatically.
eBay
Stainless Steel Waste Oil Furnace Burner With Blower Speed Controller For Farm Industrial Heating Fuel Efficient Heater System
Aliexpress UK
Work Function: It is often used in DC load circuit, lamp dimming or DC motor speed regulation. Actuator Type Rotary. Working Principle: The average current power on the load is changed from 0-100 persent by changing the duty cycle of the output square wave, thereby changing the load, light brightness/motor speed.
eBay
2000W Windmill 12V 24V 48V 6 Blades Wind Turbine Generator With MPPT Controller Low Start Wind Speed Free Energy Home Appliance
Aliexpress UK
Output current: 40A. Suit for: DC Brush Motor. Frequency: 15kHz. Function: Forward, Reverse, Stop. Speed Rang: 0-100%. We will reply you ASAP. 200Pcs Stainless Steel 5 Size Fishing Split Rings Lures Tackle Set With Pliers.
eBay
1Set Aluminum Alloy Pitot Airspeed Tube Detachable Air Speed Meter Sensor for APM PX4 Flight Controller RC Model MFD MINI Drone
Aliexpress UK
Operation Current: Under 2A. Stable performance, high efficiency and low noise.
eBay
4/5/6/8inch Duct Fan Full Kit Set With Remote Switch Speed Controller Fan+Carbon Filter , Hydroponics Greenhouse Grow Tent
Aliexpress UK