ITEM NAME:X0920 DC Motor Control PWM Modulation Variable Controller Switch 20A Description: Pulse width modulation(PWM) is used to make the speed more stable, and the strength is high at low speed. This is a DC brush motor controller, so please don't use it on AC motors. The speed controller is widely used in industrial DC motor speed regulation, DC fan, etc. Adopt the motor of speed control mode, it has stable performance, the speed can be adjusted and it is easy to install. The PWM motor speed controller is made of high-quality electronic components with stable and reliable performance. Specification: Model: X0920 Type: Momentary ON/OFF Power, Current: 20A Material: Plastic Color: Black Size Chart: Approx. 90x81x52mm/3.54x3.19x2.05inch Package Includes: 1 Piece Speed Control Switch 20A Note: Please allow 1-3cm (0.4-1.18") difference due to manual measurement.Thank you for your understanding. SKU: DMO0012654173019961.Model: X0920. Pulse width modulation(PWM) is used to make the speed more stable, and the strength is high at low speed. Power, Current: 20A.