Motor Speed Controller — 40 A with Digital Display (for brushed DC motors) Key benefits - Precise speed control: Digital display gives clear, immediate feedback on motor speed, enabling accurate adjustments for repeatable results. - High-current capability: 40 A capacity supports demanding loads and larger brushed motors common in automation and model applications. - Directional control and simple operation: Built-in forward/reverse switch plus a potentiometer knob with integrated switches lets you change direction and set speed from a single compact control point. - Reliable integration: Designed for use in industrial automation equipment, model building, and any application that needs fine speed tuning of brushed motors. What it does and how it helps - Controls the speed of brushed DC motors with smooth, adjustable output and a visible digital readout so operators can set and confirm speed quickly. - Enables bidirectional operation without rewiring thanks to the forward/reverse switch, saving setup time and reducing wiring complexity. - Potentiometer with integrated switches provides intuitive on/off and adjustment control in one component, simplifying user interaction. Compatibility and function - Intended for brushed DC motors; suited to industrial automation devices, model kits, and laboratory or test setups that require precise motor speed control. - 40 A capacity handles higher-current motors; digital display supports accurate monitoring during operation. - Not a standalone power supply or power module — must be connected to a suitable motor and appropriate power source to function. Important usage notes - Verify correct polarity before applying power to prevent damage or incorrect operation. - This controller regulates motor speed but does not provide power by itself; ensure the power source and motor are correctly matched to the controller’s ratings. Practical applications - Industrial automation: fine-tune conveyor or feeder speeds for consistent material handling and process control. - Model building and hobby projects: adjust motor speed and direction for RC vehicles, trains, or custom mechanical assemblies. - Prototyping and test rigs: perform repeatable speed sweeps and reversible motor tests with clear digital feedback. Features at a glance - Function: Motor speed controller for brushed DC motors - Current capacity: 40 A - Display: Digital speed readout - Controls: Forward/reverse switch; potentiometer knob with integrated switches - Suitable for: Industrial automation devices, model building, applications needing precise speed settings Order and installation reminders - Confirm motor type is a brushed DC motor and that the power source matches the controller and motor current requirements. - Check polarity before switching on.