CA-103A PWM DC Motor Speed Controller

The CA-103A PWM DC Motor Speed Controller (1203BK) is a compact and reliable module designed to deliver smooth, efficient speed control for DC motors across a wide voltage range. Because it uses PWM (Pulse Width Modulation) technology, the controller maintains motor torque while adjusting speed. Therefore, it performs consistently in both laboratory and industrial applications.

Why Choose the CA-103A Controller?

First, this module supports multiple DC input voltages, which makes it flexible for different systems. Moreover, the rotary potentiometer allows precise and user-friendly speed adjustment. In addition, the integrated heat sink improves thermal performance during continuous operation.

Key Features

• Wide Voltage Support: Operates with 6V, 12V, 24V, and 28V DC power supplies.
• PWM Speed Control: Ensures smooth speed variation with minimal power loss.
• Up to 3A Output: Handles medium-load DC motor applications effectively.
• Manual Speed Adjustment: Built-in knob provides easy and accurate control.
• Compact PCB Design: Enables quick installation in space-limited setups.
• Screw Terminal Interface: Simplifies secure motor and power connections.

Typical Applications

As a result of its flexibility and reliability, this controller is commonly used in:

• DC motor control projects
• Robotics and automation systems
• Laboratory and R&D setups
• DIY electronics and prototyping
• Fans, pumps, conveyors, and small tools

Technical Specifications

• Product Type: PWM DC Motor Speed Controller
• Model Number: CA-103A / 1203BK
• Input Voltage: 6V – 28V DC
• Maximum Current: 3A
• Control Method: PWM (Pulse Width Modulation)
• Adjustment: Rotary potentiometer
• Mounting: PCB with fixing holes
• Connections: Screw terminals

Installation & Usage Notes

Therefore, connect the power supply and motor to the labeled terminals before powering the unit. Additionally, start at a low speed setting and gradually increase using the control knob. Always ensure proper ventilation to maintain stable performance.

Ideal for B2B & Professional Buyers

Overall, the CA-103A PWM DC Motor Speed Controller offers a dependable combination of precision, efficiency, and ease of use. Consequently, it is an excellent choice for laboratories, equipment manufacturers, training centers, and electronics resellers seeking a versatile motor control solution.