Régulateur à commutation PWM pour moteur à courant continu 6 V-90 V 15 A à vitesse variable en continu
This is DC Motor Governor PWM Variable Speed Control Switch 6V-90V 15A.
This DC Motor Speed Regulator controls the speed of a DC motor by adjusting Pulse-Width-Modulated (PWM). It’s perfect for applications like fans, etc. providing a nice adjustment of motor speed.