brands

attributes.Supply_Voltage

attributes.DC_Motor_Type

attributes.Power_Rating

attributes.Output_Speed

attributes.Shaft_Diameter

attributes.Maximum_Output_Torque

attributes.Gearhead_Type

attributes.Gear_Ratio

attributes.Dimensions

attributes.Current_Rating

attributes.Length

attributes.Width

attributes.Better_World_Product

attributes.Better_World_Verification

attributes.Depth

attributes.Step_Angle

RS PRO Brushless DC Motor, 24 V, 0.36 Nm, 4840 rpm, 4mm Shaft Diameter

Micro Motors Geared DC Motor, 24 V, 50 Ncm, 6mm Shaft Diameter

Micro Motors Geared DC Motor, 24 V, 20 Ncm, 6mm Shaft Diameter

Micro Motors Geared DC Motor, 24 V, 100 Ncm, 6mm Shaft Diameter

Crouzet Brushed DC Motor, 50 W, 24 V dc, 170 mNm, 2770 rpm, 8mm Shaft Diameter


DC motors, or direct current motors, are widely used in various applications due to their simplicity, efficiency, and precise control. Whether you're working on robotics, industrial automation, renewable energy, or automotive projects, selecting the right DC motor is essential for optimal performance. The speed of a DC electric motor can be easily controlled by varying the supply voltage, making them highly versatile for a range of applications. The most popular voltage ratings are 12V and 24V, but many other options are available to suit specific requirements.

## **How Does a DC Motor Work?**

A DC motor (direct current motor) operates by converting electrical energy from a DC power source into mechanical rotational energy. The fundamental principle behind an electric DC motor is the interaction between a magnetic field and an electric current, which generates a force (torque) that turns the motor’s shaft.

- **Brushed DC Electric Motor:** In a brushed dc motor, the rotor (armature) is connected to the power supply through carbon brushes and a commutator. As current flows through the armature windings, it interacts with the magnetic field produced by permanent magnets or field windings, creating torque and causing the shaft to rotate. The commutator and brushes reverse the current direction at the right moment to keep the shaft spinning.
- **Brushless DC Motor (BLDC):** A brushless dc motor or brushless direct current motor eliminates the need for brushes and a commutator. Instead, electronic controllers switch the current in the stator windings, and permanent magnets are mounted on the rotor. This design offers higher efficiency, less maintenance, and longer operational life.

Both types of electric dc motors use magnets to drive the rotary motion of the motor shaft, but their construction and control methods differ significantly.

## **Types of DC Motors**

DC motors can be classified into two main types:

### **Brushed DC Motors**

Also known as dc brushed motors or brushed dc electric motors, these are valued for their simple design, cost-effectiveness, and ease of control. They are ideal for applications requiring moderate performance, straightforward speed control, and easy maintenance.

### **Brushless DC Motors (BLDC)**

Brushless DC motors are mechanically simpler (no brushes or commutators), resulting in longer lifespan, minimal maintenance, and higher efficiency (typically 85-90%). These types of motors are preferred in applications needing speed and position control, such as fans, pumps, [air compressors](https://uk.rs-online.com/web/c/facilities-cleaning-maintenance/facility-maintenance-equipment/air-compressors/), and electric vehicles, where reliability and ruggedness are required.

## **Industrial Applications of DC Motors**
- **Automotive Industry:** In the automotive sector, DC motors are used for applications such as electric power steering, wipers, and window mechanisms. Brushless DC motors, in particular, are widely employed in electric vehicles (EVs) for their efficiency and extended operational life.
- **Manufacturing and Automation:** DC motors are crucial in automation systems, providing the required speed and torque for conveyors, robotics, and other machinery used in manufacturing. Their precise speed control makes them ideal for automated processes where consistent performance is essential.
- **Aerospace and Defence:** The aerospace industry uses DC motors for actuators, fans, and pumps in aircraft systems. These motors must meet stringent requirements for reliability, performance, and weight, and brushless DC motors are often preferred for their high efficiency and low maintenance.
- **Robotics and Mechatronics:** DC motors, especially brushless variants, are fundamental in robotics and mechatronics, where precise motion control is required. These motors drive the servos and actuators used in robotic arms, drones, and other automated systems, providing smooth and responsive movement.
- **HVAC (Heating, Ventilation, and Air Conditioning):** In HVAC systems, DC motors regulate fan speeds, ensuring optimal airflow and energy efficiency. Brushless DC motors are used in high-efficiency systems due to their ability to run smoothly at various speeds with minimal maintenance.
- **Medical Devices and Equipment:** DC motors are used in medical equipment such as ventilators, infusion pumps, and prosthetics. The precision and reliability of DC motors make them ideal for applications where consistent performance is critical for patient safety.
- **Renewable Energy Systems (e.g., Solar Tracking Systems):** In solar energy systems, DC motors are used in solar tracking systems to adjust the position of solar panels, ensuring they are always facing the sun. Brushless DC motors are particularly suitable for these applications, as they offer high efficiency and minimal maintenance.
- **Textile and Printing Industries:** In textile manufacturing and printing industries, DC motors are employed to drive machinery such as looms, printing presses, and cutting machines. These motors offer reliable operation and easy speed control, essential for consistent product quality.

## **Benefits of Using DC Motors**
- **Precise Speed Control:** DC motors are known for their ability to provide precise speed control. This is especially useful in applications like robotics, where accurate movement is crucial for task performance.
- High Starting Torque: DC motors can provide high starting torque, making them ideal for applications that require a quick start under load, such as electric vehicles or lifting equipment.
- **Quick Response to Load Changes:** DC motors are highly responsive to changes in load, adjusting speed and torque swiftly to meet varying demands. This makes them ideal for systems that require immediate feedback, such as conveyor systems or robotic arms.
- **Simple and Cost-Effective Design:** The design of brushed DC motors is simple and cost-effective, making them a go-to solution for projects that need reliable performance without a high upfront cost.
- **Smooth Operation at Variable Speeds:** DC motors operate smoothly across a wide range of speeds, ensuring consistent performance, whether in high-speed or low-speed applications, making them highly versatile in many industrial environments.
- **Easier Integration with Battery-Powered Systems:** DC motors, particularly brushless DC motors, are easily integrated with battery-powered systems, making them the preferred choice for portable devices and electric vehicles.

## **How to Choose the Right DC Motor for Your Project**

Torque and Speed Requirements: Match the motor’s torque and speed to your application’s demands. High-torque motors are suited for heavy-load tasks, while precision motors are ideal for applications requiring fine adjustments, such as robotics.

- **Motor Voltage Compatibility:** Ensure the motor’s voltage matches your power supply—whether it’s 12V, 24V, or 48V. This is critical to ensuring efficient motor performance and longevity.
- **Consider the Load Type (Constant or Variable):** Determine whether your application involves constant or variable loads. Brushed DC motors are great for constant loads, while brushless DC motors offer superior efficiency and flexibility for variable load applications.
- **Evaluate Size and Space Constraints:** Consider the physical dimensions of the motor to ensure it fits within the available space. Compact applications like drones or handheld devices will require smaller, more lightweight motors, whereas larger machines may demand more powerful units.
- **Decide Between Brushed or Brushless Motors:** Brushed DC motors are cost-effective and reliable for many standard applications, but brushless DC motors offer greater efficiency, longer life, and reduced maintenance, making them ideal for high-demand or precision applications.
- **Check Duty Cycle and Operational Time:** The duty cycle—how long a motor can run before overheating—is an essential factor. Continuous duty motors are designed for long-running operations, while intermittent duty motors handle short bursts of high power.
- **Factor in Efficiency and Heat Dissipation:** Evaluate motor efficiency and heat dissipation properties. Brushless DC motors tend to run cooler and more efficiently, reducing the need for additional cooling systems and enhancing overall motor performance.

## **Maintenance Tips for DC Motors**
- **Inspect Brushes and Commutator Regularly:** For brushed DC motors, regularly inspect the brushes and commutator for wear. Worn-out components can lead to performance issues and reduced motor life.
- **Clean Dust and Debris from Motor Housing:** To prevent overheating and maintain efficiency, regularly clean the motor housing, especially in environments where dust and debris accumulate.
- **Lubricate Bearings as Recommended:** Proper lubrication of the motor's bearings is essential for smooth operation. Follow the manufacturer's instructions for the correct lubricant to use.
- **Check for Unusual Noise or Vibrations:** Listen for unusual noise or vibrations, which can be signs of mechanical wear or misalignment. Early detection can prevent more severe damage and downtime.
- **Ensure Proper Ventilation and Cooling:** Ensure the motor is installed in a well-ventilated area to allow proper cooling. For high-performance motors, additional cooling may be necessary to avoid overheating.
- **Tighten Loose Connections and Terminals:** Loose electrical connections can result in inefficiency and potential damage. Regularly check and tighten connections to maintain consistent performance.
- **Monitor Motor Temperature During Operation:** Monitor the motor’s temperature during operation, especially in high-demand environments. Excessive heat can damage the motor, so ensure it stays within the recommended operating range.
- **Replace Worn-out Parts Promptly:** Regularly check for worn-out parts such as brushes or bearings, and replace them promptly to avoid performance degradation or complete motor failure.

## **Shop DC Motors at RS Malaysia**

[RS](https://my.rs-online.com/) is a trusted DC motor supplier in Malaysia, offering a wide range of brushed and brushless DC motors for various applications. Whether you need DC motors for industrial machinery, robotics, or automation, RS Malaysia provides high-quality products at competitive prices.

Explore a selection of DC motors from top brands like [Siemens](https://my.rs-online.com/web/b/siemens/), [Crouzet](https://my.rs-online.com/web/b/crouzet/?displayMonolithBrandPage=true) and [Portescap](https://my.rs-online.com/web/b/portescap/?displayMonolithBrandPage=true) to meet the specific needs of your project. Besides DC motors, we also provide a wide range of tools and components such as [AC motors](https://my.rs-online.com/web/c/automation-control-gear/electric-motors/ac-motors/), [IEC connectors](https://my.rs-online.com/web/c/connectors/mains-dc-power-connectors/iec-connectors/), and [gaussmeters](https://my.rs-online.com/web/c/test-measurement/environmental-test-measurement/gaussmeters/) for your home and business needs. 

For more details on pricing, delivery, and customer support, visit our [Delivery Page](https://my.rs-online.com/web/content/support/all-articles/delivery).



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24 V DC Motors

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