China Professional 3548 Motionl Control Brushless DC Drive Motor Robot Arm Servo Motor vacuum pump brakes

Product Description





3 monthsWarranty





Brand Name


Model Number

EV CRAFT-H23850 Propulsion System


Heavy lift drone, cargo drone, multi-rotor drone, paramotor, paraglider, VTOL drone, search and rescue drone.


Brushless Motor


Permanent Magnet



Protect Feature





238mm x 50mm

KV Availability

27 / 35 / 45 / 60 (Customizable)


24S 300A

Max. Torque


Max. Thrust


Max. RPM


Max. Voltage






Max. Power



14 AWG silicone wire



Inside The Package

Motor, ESC(motor controller), propeller

Testing report

 throttle(%) U(V) I(A) N(RPM) F(KG) T(N.M) Motor output power(W) System input power(W) Motor efficiency Propeller force efficiency(G/W) System force efficiency(G/W)
0 95.1 -0.1 218.4 -0.1 0.0 8 -7.4 NaN NaN NaN
10 94.7 0.2 102.1 0.2 0.2 2 19.8 NaN Inf NaN
15 94.8 1.4 356.4 2.0 2.0 74.1 131.1 61.80% 26.956 16.674
20 94.7 3.7 543.6 4.7 4.0 229.9 348 66.50% 20.283 13.488
25 94.7 7.1 710.6 7.9 6.6 487.4 669.8 72.90% 16.335 11.893
30 94.6 12.0 872.3 11.8 9.7 883 1133.7 77.90% 13.364 10.399
35 94.5 19.6 1038.7 17.0 13.8 1503 1851.1 81.20% 11.348 9.185
40 94.4 29.7 1197.2 23.0 18.6 2335.5 2801.6 83.40% 9.895 8.23
45 94.2 43.1 1362.6 29.9 24.2 3453.6 4059.9 85.10% 8.693 7.359
50 93.9 59.3 1532.3 36.9 29.9 4797 5569.3 86.20% 7.731 6.623
55 93.6 82.1 1699.7 46.3 37.6 6691.1 7682.1 87.20% 6.991 6.571
60 93.2 109.7 1852.5 56.0 45.7 8860.5 15718.2 86.80% 6.395 5.482
65 92.8 136.8 1992.9 64.5 52.8 11011.9 12697 87.00% 5.947 5.086
70 92.3 171.6 2121.6 74.7 61.4 13625.9 15839.6 86.40% 5.608 4.723
75 91.8 205.3 2253 82.7 68.2 16068.5 18855 85.50% 5.246 4.391
80 91.4 237.4 2329.7 90.4 74.2 18093.9 21695.6 83.70% 5.059 4.175
85 91.0 263.5 2380.3 96.1 78.5 19547.3 23971.8 81.80% 4.951 4.017
90 90.8 279.4 2420 97.9 80.4 2 0571 .1 25373.1 80.50% 4.852 3.865



Company Profile

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Application: Universal, Industrial, Household Appliances, Drone, Evtol, Eppg
Operating Speed: Adjust Speed
Function: Driving
Casing Protection: Explosion-Proof Type
Number of Poles: 40
Structure and Working Principle: Brushless
US$ 18.9/Piece
1 Piece(Min.Order)




servo motor

Where can individuals find reliable resources for learning more about servo motors and their applications?

Individuals interested in learning more about servo motors and their applications can access a variety of reliable resources. These resources provide valuable information, technical knowledge, and practical insights. Here are some places where individuals can find reliable resources for expanding their understanding of servo motors:

1. Manufacturer Websites:

Leading servo motor manufacturers often provide detailed documentation, technical specifications, application notes, and white papers on their websites. These resources offer in-depth information about their products, technologies, and best practices for servo motor applications. Users can visit the websites of prominent manufacturers to access reliable and up-to-date information.

2. Industry Associations and Organizations:

Industry associations and organizations related to automation, robotics, or specific industries often offer educational materials and resources on servo motors. They may provide technical publications, webinars, seminars, and training programs focused on servo motor technology and applications. Examples of such organizations include the International Society of Automation (ISA), the Robotics Industries Association (RIA), and the Society of Automotive Engineers (SAE).

3. Books and Technical Publications:

Books dedicated to servo motor technology, control systems, and industrial automation can provide comprehensive knowledge on the subject. Some recommended titles include “Servo Motors and Industrial Control Theory” by Riazollah Firoozian, “Electric Motors and Drives: Fundamentals, Types, and Applications” by Austin Hughes and Bill Drury, and “Servo Motors and Motion Control: An Introduction” by Albert F. Seabury. Technical publications and journals such as IEEE Transactions on Industrial Electronics and Control Engineering Practice also offer valuable insights and research findings.

4. Online Courses and Training Platforms:

Various online learning platforms offer courses and training programs focused on servo motors and their applications. Websites like Udemy, Coursera, and LinkedIn Learning provide access to video-based courses taught by industry experts. These courses cover topics such as servo motor fundamentals, motion control, programming, and troubleshooting. By enrolling in these courses, individuals can acquire structured knowledge and practical skills related to servo motors.

5. Technical Forums and Discussion Groups:

Participating in technical forums and discussion groups can be an effective way to learn from industry professionals and enthusiasts. Websites like Stack Exchange, Reddit, and engineering-focused forums host discussions on servo motors, where individuals can ask questions, share experiences, and gain insights from the community. It’s important to verify the credibility of the information shared in such forums and rely on responses from trusted contributors.

6. Trade Shows and Conferences:

Attending trade shows, exhibitions, and conferences related to automation, robotics, or specific industries can provide opportunities to learn about servo motors. These events often feature presentations, workshops, and demonstrations by industry experts and manufacturers. Participants can gain hands-on experience, interact with professionals, and stay updated with the latest advancements in servo motor technology.

By leveraging these reliable resources, individuals can deepen their knowledge and understanding of servo motors and their applications. It is advisable to consult multiple sources and cross-reference information to ensure a comprehensive understanding of the subject.

servo motor

Are there different types of servo motors, and how do they differ?

Yes, there are different types of servo motors available, each with its own characteristics and applications. The variations among servo motors can be attributed to factors such as construction, control mechanisms, power requirements, and performance specifications. Let’s explore some of the common types of servo motors and how they differ:

1. DC Servo Motors:

DC servo motors are widely used in various applications. They consist of a DC motor combined with a feedback control system. The control system typically includes a position or velocity feedback sensor, such as an encoder or a resolver. DC servo motors offer good speed and torque control and are often employed in robotics, automation, and hobbyist projects. They can be operated with a separate motor driver or integrated into servo motor units with built-in control electronics.

2. AC Servo Motors:

AC servo motors are designed for high-performance applications that require precise control and fast response times. They are typically three-phase motors and are driven by sinusoidal AC waveforms. AC servo motors often incorporate advanced control algorithms and feedback systems to achieve accurate position, velocity, and torque control. These motors are commonly used in industrial automation, CNC machines, robotics, and other applications that demand high precision and dynamic performance.

3. Brushed Servo Motors:

Brushed servo motors feature a traditional brushed DC motor design. They consist of a rotor with a commutator and carbon brushes that make physical contact with the commutator. The brushes provide electrical connections, allowing the motor’s magnetic field to interact with the rotor’s windings. Brushed servo motors are known for their simplicity and cost-effectiveness. However, they may require more maintenance due to brush wear, and they generally have lower efficiency and shorter lifespan compared to brushless servo motors.

4. Brushless Servo Motors:

Brushless servo motors, also known as brushless DC (BLDC) motors, offer several advantages over brushed motors. They eliminate the need for brushes and commutators, resulting in improved reliability, higher efficiency, and longer lifespan. Brushless servo motors rely on electronic commutation, typically using Hall effect sensors or encoder feedback for accurate rotor position detection. These motors are widely used in robotics, industrial automation, aerospace, and other applications that require high-performance motion control with minimal maintenance.

5. Linear Servo Motors:

Linear servo motors are designed to provide linear motion instead of rotational motion. They consist of a primary part (stator) and a secondary part (slider or forcer) that interact magnetically to generate linear motion. Linear servo motors offer advantages such as high speed, high acceleration, and precise positioning along a linear axis. They find applications in various industries, including semiconductor manufacturing, packaging, printing, and machine tools.

6. Micro Servo Motors:

Micro servo motors are small-sized servo motors often used in applications with limited space and low power requirements. They are commonly found in hobbyist projects, model airplanes, remote-controlled vehicles, and small robotic systems. Micro servo motors are lightweight, compact, and offer reasonable precision and control for their size.

These are some of the different types of servo motors available, each catering to specific applications and requirements. The choice of servo motor type depends on factors such as the desired performance, accuracy, power requirements, environmental conditions, and cost considerations. Understanding the differences between servo motor types is essential for selecting the most suitable motor for a particular application.

servo motor

What is a servo motor, and how does it function in automation systems?

A servo motor is a type of motor specifically designed for precise control of angular or linear position, velocity, and acceleration. It is widely used in various automation systems where accurate motion control is required. Let’s explore the concept of servo motors and how they function in automation systems:

A servo motor consists of a motor, a position feedback device (such as an encoder or resolver), and a control system. The control system receives input signals, typically in the form of electrical pulses or analog signals, indicating the desired position or speed. Based on these signals and the feedback from the position sensor, the control system adjusts the motor’s operation to achieve the desired motion.

The functioning of a servo motor in an automation system involves the following steps:

  1. Signal Input: The automation system provides a control signal to the servo motor, indicating the desired position, speed, or other motion parameters. This signal can be generated by a human operator, a computer, a programmable logic controller (PLC), or other control devices.
  2. Feedback System: The servo motor incorporates a position feedback device, such as an encoder or resolver, which continuously monitors the motor’s actual position. This feedback information is sent back to the control system, allowing it to compare the actual position with the desired position specified by the input signal.
  3. Control System: The control system, typically housed within the servo motor or an external servo drive, receives the input signal and the feedback from the position sensor. It processes this information and generates the appropriate control signals to the motor.
  4. Motor Operation: Based on the control signals received from the control system, the servo motor adjusts its operation to achieve the desired motion. The control system varies the motor’s voltage, current, or frequency to control the motor’s speed, torque, or position accurately.
  5. Closed-Loop Control: Servo motors operate in a closed-loop control system. The feedback information from the position sensor allows the control system to continuously monitor and adjust the motor’s operation to minimize any deviation between the desired position and the actual position. This closed-loop control mechanism provides high accuracy, repeatability, and responsiveness in motion control applications.

One of the key advantages of servo motors in automation systems is their ability to provide precise and dynamic motion control. They can rapidly accelerate, decelerate, and change direction with high accuracy, allowing for intricate and complex movements. Servo motors are widely used in applications such as robotics, CNC machines, printing presses, packaging equipment, and automated manufacturing systems.

In summary, a servo motor is a specialized motor that enables accurate control of position, velocity, and acceleration in automation systems. Through the combination of a control system and a position feedback device, servo motors can precisely adjust their operation to achieve the desired motion. Their closed-loop control mechanism and high responsiveness make them an essential component in various applications requiring precise and dynamic motion control.

China Professional 3548 Motionl Control Brushless DC Drive Motor Robot Arm Servo Motor   vacuum pump brakesChina Professional 3548 Motionl Control Brushless DC Drive Motor Robot Arm Servo Motor   vacuum pump brakes
editor by CX 2024-02-12