Safe to use, using aluminum plate heat sink, DC motor governor has fast heat dissipation, and can prolong the service life. Adjustable Speed Range: 1 to 1800 RPM Adjustable. Speed Range: 0-100%. Suitable for motors with power not exceeding 750W.
eBay
DC 6V 12V 24V PWM DC motor speed controller forward and reverse switch Linear actuator motor controller adjustable Speed Control
Aliexpress UK
Output current: 40A. Suit for: DC Brush Motor. Frequency: 15kHz. Function: Forward, Reverse, Stop.
eBay
DC Motor Speed Controller DC 6V 12V 24V PWM Controller Forward And Reverse Switch Motor Controller Adjustable Speed Control
Aliexpress UK
Maximum Instantaneous Current: 20A. Using dual MOS tubes, larger heat dissipation area, smaller on-resistance. Brushless motors and brushless fans are not suitable for this governor. Module Size: 75 x 45 x 28mm / 3 x 1.8 x 1.1in.
eBay
DC 5-24V 5A 4 Way PWM Fan Speed Control Intelligent Temperature Control Cooling Temperature/Speed Display DC Motor Controller
Aliexpress UK
Output current: 20A. The product is compact and easy to install in narrow space. Suitable for: DC brush motor. If you are satisfied with our service, pls. The actual product color may deviate from the photo due to light.
eBay
5A 90W PWM 12V DC Motor Speed Controller Module DC-DC 4.5V-35V Adjustable Speed Regulator Control Governor Switch 24V
Aliexpress UK
Wheel chair motors?. Probably not. Scooter motors?. 24V XD3440 motor for a DIY bench grinder?. Sure, should work great!
eBay
Mini 5A 90W PWM 12V DC Motor Speed Controller Module DC-DC 4.5V-35V Adjustable Speed Regulator Control Governor Switch 24V
Aliexpress UK
Current: 20A. Switching frequency: 25KHz. Waterproof, anti leakage enclosure, high power drive module. Durable in use. The positive and negative poles of the motor can be reversed.
eBay
5A 90W PWM 12V DC Motor Speed Controller Module DC-DC 4.5V-35V Adjustable Speed Regulator Control Governor Switch 24V
Aliexpress UK
PWM Frequency: 20KHz. Duty Cycle: 1%-100%. The motor can be positive or negative, when the direction of operation and expectations do not match, you can adjust the line order to change the direction.
eBay
5A 90W PWM 12V DC Motor Speed Controller Module DC-DC 3V~35V Adjustable Speed Regulator Control Governor Switch 24V LED Fan
Aliexpress UK
Output current: 20A. The product is compact and easy to install in narrow space. Suitable for: DC brush motor. If you are satisfied with our service, pls. The actual product color may deviate from the photo due to light.
eBay
5A 90W PWM 12V DC Motor Speed Controller Module DC-DC 4.5V-35V Adjustable Speed Regulator Control Governor Switch 24V
Aliexpress UK