Nidec Brushed Geared DC Geared Motor, 2.56 W, 24 V dc, 50 Ncm, 55 rpm, 6mm Shaft Diameter

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Nidec Brushed Geared DC Geared Motor, 72 W, 24 V dc, 7.5 Nm, 12 Nm, 200 rpm, 10mm Shaft Diameter

Nidec Brushed Geared DC Geared Motor, 2.84 W, 24 V dc, 50 Ncm, 65 rpm, 6mm Shaft Diameter

Nidec Brushed DC Motor, 7.2 W, 24 V dc, 14.7 mNm, 4700 rpm, 5mm Shaft Diameter

Nidec Brushed Geared DC Geared Motor, 9.2 W, 24 V dc, 1 Nm, 52 rpm, 6.8mm Shaft Diameter


DC motors are electrical machines that transform direct current (DC) electrical energy into mechanical energy. Their operation relies on the principle of electromagnetism, where the interaction of a magnetic field and an electric current generates rotational force, or torque. This torque is harnessed to power a wide array of mechanical systems and devices.

Renowned for their versatility, controllability and efficiency, DC motors find applications in countless domains, ranging from small household appliances and toys to heavy-duty industrial machinery and electric vehicles. They are particularly valuable in scenarios demanding precise speed regulation, robust starting torque, and the capability for rapid stopping and directional reversal.

## **Benefits of DC Motors**

DC motors offer several advantages that make them a popular choice in various applications, from industrial machinery to consumer electronics. These benefits include:

### **Precise Speed Control**

One of the key advantages of DC motors is their excellent speed control capability. This allows for precise adjustments to the motor's rotational speed, making them ideal for applications requiring variable speed operation, such as robotics and automation.

### **High Starting Torque**

DC motors are renowned for their ability to generate high starting torque, meaning they can deliver substantial rotational force from a standstill. This characteristic makes them well-suited for applications that demand high initial power, including conveyor systems and electric vehicles.

### **Easy to Control and Reverse**

Controlling the direction of rotation in a DC motor is a simple process, achieved by changing the polarity of the voltage applied to its terminals. This ease of control enhances their versatility across various applications.

### **Quiet Operation**

In contrast to AC motors, DC motors are known for their relatively quiet operation. This makes them a preferred choice for noise-sensitive environments where minimising audible distractions is crucial, such as in medical equipment, home appliances and office settings.

### **Wide Range of Operating Speeds**

Adaptable to a broad spectrum of applications, DC motors can operate over a wide range of speeds, from very low to very high RPMs. This versatility allows them to be used in everything from slow-moving robotics to high speed fans.

### **High Efficiency**

When it comes to energy efficiency, DC motors, particularly the brushless DC type, excel. By converting a significant portion of electric energy into mechanical power, they contribute to lower energy consumption and reduced operating costs.

### **Reliability and Durability**

Known for their robust performance, DC motors, especially brushless types, offer exceptional reliability and durability. With fewer moving parts and less wear and tear, they boast a longer lifespan and require less maintenance compared to some other motor types.

## **Types of DC Motors**

DC motors are broadly categorised into two main types: [brushed and brushless](https://sg.rs-online.com/web/content/discovery/ideas-and-advice/navigating-the-world-of-dc-motors-brushed-vs-brushless). Within each category, there are further classifications based on their construction and operating characteristics.

### **Brushed DC Motors**

Brushed DC motors are a more traditional type of motor, utilising brushes to transfer electric currents to the rotating armature. They are commonly used in cost-sensitive applications where high efficiency and long lifespan are not critical.

- **Series Wound DC Motor:** In a series-wound motor, the field winding is connected in series with the armature winding. This configuration provides high starting torque, but it's important to note that speed regulation may be less precise compared to other winding types.
- **Shunt Wound DC Motor:** In a shunt-wound motor, the field winding is connected in parallel with the armature winding. This offers good speed regulation but lower starting torque compared to series-wound motors.
- **Compound Wound DC Motor:** A compound-wound motor combines both series and shunt field windings, offering a balance of high starting torque and good speed regulation.

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

Brushless DC (BLDC) motors offer improved efficiency (85-90%), longer lifespans, and little maintenance compared to brushed motors. They are commonly used in applications requiring precise speed and positional control such as fans, pumps and air compressors.

- **Surface-Mounted Permanent Magnet (SPM) Motors:** In SPM motors, the permanent magnets are mounted on the surface of the rotor. These motors are generally more cost-effective to produce.
- **Interior Permanent Magnet (IPM) Motors:** In IPM motors, the permanent magnets are embedded within the rotor. This design offers higher efficiency and improved performance at high speeds.

## **Applications of DC Motors**

DC motors are widely used across various industries due to their versatility, efficiency and controllability. Here are some common applications:

### **Industrial Applications**

In industrial settings, DC motors power a wide range of machinery and equipment, providing precise motion control and efficient operation, including:

- **Automation:** DC motors are essential for automation systems, powering robots, conveyor belts and other automated equipment with precise speed and positional control.
- **Machine Tools:** High speed DC motors are used in machine tools like drills, lathes and milling machines, providing the necessary power and precision for various machining operations.
- **Material Handling:** DC gear motors are commonly used in material handling equipment like forklifts, cranes and conveyor systems, providing the torque and control needed to move heavy loads.

### **Medical Devices**

DC motors are crucial components in various medical devices, offering precise and reliable operation for critical applications. These include:

- **Medical Equipment:** DC motors are used in medical equipment like infusion pumps, ventilators and surgical tools, allowing for accurate and controlled motion for essential procedures.
- **Prosthetics:** Brushless DC motors are increasingly used in prosthetic limbs, offering quiet and efficient operation for improved mobility and functionality.

### **Automotive Industry**

DC motors power various functions in automobiles, enhancing comfort, convenience and safety. These include: 

- **Power Windows and Sunroofs:** Enhancing passenger comfort and convenience, DC motors provide the controlled movement needed for power windows and sunroofs in modern vehicles.
- **Seat Adjusters:** For optimal comfort, DC motors enable precise adjustments of car seats, allowing both drivers and passengers to personalise their seating position.
- **Power Steering:** To improve maneuverability and reduce driver effort, DC motors play a crucial role in power steering systems by assisting with the steering mechanism.
- **Wiper Motors:** Essential for clear visibility and safe driving in various weather conditions, DC motors are responsible for driving windshield wiper systems.

## **Get Your DC Motors from RS Singapore**

As a trusted supplier of high quality industrial DC motors, RS Singapore offers a wide range of options to meet your specific needs. We source our motors from reputable brands like [Portescap](https://sg.rs-online.com/web/b/portescap) and [Maxon Motor](https://sg.rs-online.com/web/b/maxon), ensuring reliability and performance for various applications. Whether you need a brushed DC motor for a cost-sensitive application or a brushless DC (BLDC) motor for precise speed control, we have the perfect solution for youExplore our wide range of DC motors — as well as related products like [circuit breakers](https://sg.rs-online.com/web/c/fuses-circuit-breakers/circuit-breakers/), [proximity sensors](https://sg.rs-online.com/web/c/automation-control-gear/sensors/proximity-sensors/) and [contactors](https://sg.rs-online.com/web/content/discovery/ideas-and-advice/contactors-guide) — and find the perfect gear for your application. Simply add your desired products to your cart and proceed through our secure checkout process, with various payment options available for your convenience. We offer fast delivery across Singapore, with flexible options to suit your timeframe and budget.

For detailed information on delivery services and costs, visit our [Delivery Information](https://sg.rs-online.com/web/content/support/all-articles/delivery) page. Power your projects with high quality DC motors from RS Singapore — purchase yours today!



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