China Best Sales High Efficiency AC 24V-220V Synchronous Motor for CHINAMFG Pumps vacuum pump electric

Product Description

High Efficiency AC 24V-220V Synchronous Motor for CHINAMFG Pumps


-Output Speed: 0.05-3.3RPM
-Voltage: 24-220VAC
-Current: 0.1-0.9A
-Frequency: 50/60Hz
-Input Power: <20W
-Noise: <45dB
-Rotation: CW/CCW Bi-directional



Model Output speed (rpm) Output Torque ( Voltage (V.AC) Current (A) Frequency (Hz) Input Power (W) Noise (dB) Rotation
S1 continuous S2 15 minutes S2 5 minutes
S593-200-005 0.05 200     24
********* 110
********* 220
********** <0.2
********* <0.1
50/60Hz <20 <45 CW / CCW / Bi-directional
S593-200-008 0.08 200    
S593-200-011 0.11 200    
S593-200-016 0.16 200    
S593-200-571 0.25 200    
S593-200-033 0.33 200    
S593-200-050 0.5 200    
S593-200-066 0.66 200    
S593-180-083 0.83 180    
S593-150-200 2 150    
S593-150-330 3.3 150    
Note: The above data are from motors under 50Hz. If under 60Hz, Speed*1.2, Torque/1.2        Other speed and torque needed, please contact our sale department


Insulation resistance DC 500V 100M ohms
Insulation strength AC1500V, 50Hz/min(220V motor)
Insulation class E(105ºC) / B(130ºC)
Environment Temp.-10ºC~+40ºC / Humidity: <85
Certification CE ROHS CCC

About Us:

I.CH was founded in 2006, located in HangZhou. We specialized in researching, developing, and servicing electric motors, gearbox, and high precision gears with the small module. After years of development, we have an independent product design and R&D team, service team, and a professional quality control team. To realize our service concept better, provide high-quality products and excellent service, we have been committed to the core ability and training. We have a holding factory in HangZhou, which produces high precision small mold gears, gear shaft, gearbox, and planetary gearbox assembling.

Our Product:
DC Gear Motor | DC Planetary Gear Motor 
Planetary Gearbox | Spur Gearbox 
Spur Gear | Helical Gear

Our Certificate:
As we all know, the success of the company is based on the quality of the motor. So, to get the acknowledgment in the market, we get ROHS, CE, ISO900 certificates.



Gearbox design and development
Motor specs such as voltage, speed, torque,  the shaft, packing can be customized.


Carton, pallet, or what you want
The delivery time is about 30-45 days.

Customer’s Visiting:


1. Can you custom gearbox?
YES. The specifications can be designed according to the customer’s requirements.

2. DO you provide the sample?

3. Do you provide technical support?
YES.we have an independent product design and R&D team, service team and professional quality control team.

4. Do you have a factory?
Yes, we are a professional manufacturer.

5. Can I come to your company to visit?

Related Products:


Application: Industrial
Speed: 0.05-3.3rpm
Function: Control
Casing Protection: Protection Type
Certification: ISO9001, CE
Size: 56mm
US$ 4/Piece
1 Piece(Min.Order)




induction motor

Can you explain the concept of motor efficiency and how it relates to AC motors?

Motor efficiency is a measure of how effectively an electric motor converts electrical power into mechanical power. It represents the ratio of the motor’s useful output power (mechanical power) to the input power (electrical power) it consumes. Higher efficiency indicates that the motor converts a larger percentage of the electrical energy into useful mechanical work, while minimizing energy losses in the form of heat and other inefficiencies.

In the case of AC motors, efficiency is particularly important due to their wide usage in various applications, ranging from residential appliances to industrial machinery. AC motors can be both induction motors, which are the most common type, and synchronous motors, which operate at a constant speed synchronized with the frequency of the power supply.

The efficiency of an AC motor is influenced by several factors:

  1. Motor Design: The design of the motor, including its core materials, winding configuration, and rotor construction, affects its efficiency. Motors that are designed with low-resistance windings, high-quality magnetic materials, and optimized rotor designs tend to have higher efficiency.
  2. Motor Size: The physical size of the motor can also impact its efficiency. Larger motors generally have higher efficiency because they can dissipate heat more effectively, reducing losses. However, it’s important to select a motor size that matches the application requirements to avoid operating the motor at low efficiency due to underloading.
  3. Operating Conditions: The operating conditions, such as load demand, speed, and temperature, can influence motor efficiency. Motors are typically designed for maximum efficiency at or near their rated load. Operating the motor beyond its rated load or at very light loads can reduce efficiency. Additionally, high ambient temperatures can cause increased losses and reduced efficiency.
  4. Magnetic Losses: AC motors experience losses due to magnetic effects, such as hysteresis and eddy current losses in the core materials. These losses result in heat generation and reduce overall efficiency. Motor designs that minimize magnetic losses through the use of high-quality magnetic materials and optimized core designs can improve efficiency.
  5. Mechanical Friction and Windage Losses: Friction and windage losses in the motor’s bearings, shaft, and rotating parts also contribute to energy losses and reduced efficiency. Proper lubrication, bearing selection, and reducing unnecessary mechanical resistance can help minimize these losses.

Efficiency is an important consideration when selecting an AC motor, as it directly impacts energy consumption and operating costs. Motors with higher efficiency consume less electrical power, resulting in reduced energy bills and a smaller environmental footprint. Additionally, higher efficiency often translates to less heat generation, which can enhance the motor’s reliability and lifespan.

Regulatory bodies and standards organizations, such as the International Electrotechnical Commission (IEC) and the National Electrical Manufacturers Association (NEMA), provide efficiency classes and standards for AC motors, such as IE efficiency classes and NEMA premium efficiency standards. These standards help consumers compare the efficiency levels of different motors and make informed choices to optimize energy efficiency.

In summary, motor efficiency is a measure of how effectively an AC motor converts electrical power into mechanical power. By selecting motors with higher efficiency, users can reduce energy consumption, operating costs, and environmental impact while ensuring reliable and sustainable motor performance.

induction motor

Where can individuals or businesses find reliable information on selecting, installing, and maintaining AC motors?

When seeking information on selecting, installing, and maintaining AC motors, individuals and businesses can refer to various reliable sources. These sources provide valuable guidance, recommendations, and best practices related to AC motors. Here are some places where one can find reliable information:

  • Manufacturer’s Documentation: AC motor manufacturers often provide detailed documentation, including product catalogs, technical specifications, installation guides, and maintenance manuals. These documents offer specific information about their motors, such as performance characteristics, electrical requirements, mounting instructions, and recommended maintenance procedures. Manufacturers’ websites are a common source for accessing these resources.
  • Industry Associations: Industry associations related to electrical engineering, motor manufacturing, or specific applications (e.g., HVAC, pumps, or industrial machinery) can be excellent resources for reliable information. These associations often publish technical articles, guidelines, and standards that cover a wide range of topics, including motor selection, installation practices, efficiency standards, and maintenance recommendations. Examples of such associations include the National Electrical Manufacturers Association (NEMA), the Institute of Electrical and Electronics Engineers (IEEE), and the Air Conditioning, Heating, and Refrigeration Institute (AHRI).
  • Professional Electricians and Engineers: Consulting with professional electricians or electrical engineers who specialize in motor applications can provide valuable insights. These professionals possess practical knowledge and experience in selecting, installing, and maintaining AC motors. They can offer personalized advice based on specific project requirements and industry best practices.
  • Energy Efficiency Programs and Agencies: Energy efficiency programs and agencies, such as government departments, utility companies, or environmental organizations, often provide resources and guidance on energy-efficient motor selection and operation. These programs may offer information on motor efficiency standards, rebate programs for high-efficiency motors, and energy-saving practices. Examples include the U.S. Department of Energy (DOE) and its Energy Star program.
  • Online Technical Forums and Communities: Online forums and communities focused on electrical engineering, motor applications, or specific industries can be valuable sources of information. Participating in these forums allows individuals and businesses to interact with experts, discuss motor-related topics, and seek advice from professionals and enthusiasts who have firsthand experience with AC motors.
  • Books and Publications: Books and technical publications dedicated to electrical engineering, motor technology, or specific applications can provide comprehensive information on AC motors. These resources cover topics ranging from motor theory and design principles to practical installation techniques and maintenance procedures. Libraries, bookstores, and online retailers offer a wide selection of relevant publications.

When accessing information from these sources, it is important to ensure that the information is up-to-date, reliable, and relevant to the specific application or requirements. Consulting multiple sources and cross-referencing information can help verify accuracy and establish a well-rounded understanding of AC motor selection, installation, and maintenance.

induction motor

Are there different types of AC motors, and what are their specific applications?

Yes, there are different types of AC motors, each with its own design, characteristics, and applications. The main types of AC motors include:

  1. Induction Motors: Induction motors are the most commonly used type of AC motor. They are robust, reliable, and suitable for a wide range of applications. Induction motors operate based on the principle of electromagnetic induction. They consist of a stator with stator windings and a rotor with short-circuited conductive bars or coils. The rotating magnetic field produced by the stator windings induces currents in the rotor, creating a magnetic field that interacts with the stator field and generates torque. Induction motors are widely used in industries such as manufacturing, HVAC systems, pumps, fans, compressors, and conveyor systems.
  2. Synchronous Motors: Synchronous motors are another type of AC motor commonly used in applications that require precise speed control. They operate at synchronous speed, which is determined by the frequency of the AC power supply and the number of motor poles. Synchronous motors have a rotor with electromagnets that are magnetized by direct current, allowing the rotor to lock onto the rotating magnetic field of the stator and rotate at the same speed. Synchronous motors are often used in applications such as industrial machinery, generators, compressors, and large HVAC systems.
  3. Brushless DC Motors: While the name suggests “DC,” brushless DC motors are actually driven by AC power. They utilize electronic commutation instead of mechanical brushes for switching the current in the motor windings. Brushless DC motors offer high efficiency, low maintenance, and precise control over speed and torque. They are commonly used in applications such as electric vehicles, robotics, computer disk drives, aerospace systems, and consumer electronics.
  4. Universal Motors: Universal motors are versatile motors that can operate on both AC and DC power. They are designed with a wound stator and a commutator rotor. Universal motors offer high starting torque and can achieve high speeds. They are commonly used in applications such as portable power tools, vacuum cleaners, food mixers, and small appliances.
  5. Shaded Pole Motors: Shaded pole motors are simple and inexpensive AC motors. They have a single-phase stator and a squirrel cage rotor. Shaded pole motors are characterized by low starting torque and relatively low efficiency. Due to their simple design and low cost, they are commonly used in applications such as small fans, refrigeration equipment, and appliances.

These are some of the main types of AC motors, each with its unique features and applications. The selection of an AC motor type depends on factors such as the required torque, speed control requirements, efficiency, cost, and environmental conditions. Understanding the specific characteristics and applications of each type allows for choosing the most suitable motor for a given application.

China Best Sales High Efficiency AC 24V-220V Synchronous Motor for CHINAMFG Pumps   vacuum pump electricChina Best Sales High Efficiency AC 24V-220V Synchronous Motor for CHINAMFG Pumps   vacuum pump electric
editor by CX 2023-11-27

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