12V-48V PWM Motor Controller Module 20A High Power DC Motor Speed Regulator

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DC 12/24/36/48V 60A PWM Motor Speed Controller CW CCW Reversible Switch

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PWM DC Motor Speed Controller 12V 24V 36V 48V 20A DC Motor Driver Module High...

PWM Fan DC Motor Speed Controller Module 1200W 20A DC 12V/24V/36V/48V 25KHZ Kit

12V/24V/36V 450W H-Bridge 2 Channel PWM DC Motor Driver Module Reversing Brake