Product Description

Wholesale global sources 49mm AC Geared Synchronous Motor

• Manufacturer Part Number: S493 
• Motor Type: AC Synchronous Motor 
• Speed : 1~75rpm 
• Frequency: 50Hz or 60 Hz 
• Power: 2.5~7W(24~220VAC) 
• Torque: Max 
• AC Gear Motor Rotation:CW,CCW,Bi-directional 
• Application: Household Electrical Appliances Motor HAVC system CATV System

-Output Speed: 1.04-75RPM
-Voltage: 24-220VAC
-Current: 0.571-0.2A
-Frequency: 50/60Hz
-Input Power: 2.5-7W
-Noise: <45dB
-Rotation: CW/CCW Bi-directional

Drawing of AC Reversible Synchronous Motor:


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
S493-45-1.0 1.04 45 / 39 60 / 52.2 70 / 60.9 24 ********* 110 ********* 220 <0.2 ********** <0.05 ********* <0.571 50/60Hz 2.5~7 <45 CW / CCW / Bi-directional
S493-30-1.5 1.50 30 / 26 40 / 34.8 46 / 40
S493-22-2.0 2 22 / 19 30 / 26 35 / 30.5
S493-18-2.5 2.5 18 / 15.7 24 / 20.9 28 / 24.4
S493-11-4.0 4 11 / 9.6 15 / 13 17.5 / 15.2
S493-09-4.8 4.8 9.4 / 8.2 12.5 / 10.9 14.5 / 12.6
S493-09-5.0 5 9 / 7.8 12 / 10.4 14 / 12.2
S493-08-5.8 5.8 7.6 / 6.6 10 / 8.7 12 / 10.4
S493-05-9.0 9 5 / 4.35 6.5 / 5.7 7.8 / 6.8
S493-03-15 15 3 / 2.6 4 / 3.5 4.6 / 4
S493-02-25 25 1.8 / 1.57 2.4 / 2.1 2.8 / 2.43
S493-02-30 30 1.5 / 1.3 2 / 1.74 2.3 / 2
S493-01-45 45 1 / 0.87 1.3 / 1.13 1.5 / 1.3
S493-01-60 60 0.75 1 / 0.87 1.2 / 1.04
S493-01-75 75 0.6 0.8 / 0.7 1.0 / 0.87
Note: Above datas are from motors under 50Hz. If under 60Hz, Speed*1.2 , Torque/1.2        Other speed and torque needed, please contact our sale department

Factory Ability
I.CH Motion was established in 2006. We focus on AC Motors for household and industrial electrical appliance.Currently, we have professional micro-motor factories located in ZheJiang province. After years development, we built a great reputation in the overseas market.

1. No MOQ limited;
2. Short Lead-Time;
3. Quickly response in time;

-Cartons, pallets package;
-Sea shipping or air shipping;
-Delivery: 3 to 8 weeks.


 We can also supply other prosucts,

                        BLDC Motor                                   Stepper Geared Motor                   Linear Stepper Motor



          20mm DC Geared Motor                     25mm DC Geared Motor                  37mm DC Geared Motor




16mm DC Planetary Geared Motor    22mm DC Planetary Geared Motor     36mm DC Planetary Geared Motor   



Q: What speed for the 49mm AC motor?
A: We normally make speed of 49mm AC synchronous motor from 1rpm to 75 rpm, it depends on your request, we can also customized the speed.

Q: Where can the synchronous geared motor be used?
A: It can be used in Household Electrical Appliances Motor, such as water valve control.

Q: Can I have samples for testing first?
A: Yes, definitely you can. You can order prototypes for experiment, and our MOQ for batch order is 1000pcs.

Q: What voltage can you supply?
A: 24V, 110V, 220V or we can customized voltage.
Q: What largest torque can you make for this AC synchronous motor?
A: We can make the torque to
Q: Do you provide technology support?
A: YES. Our company have strong R&D capability, we can provide technology support if you need.
Q: What is rotation of AC Gear Motor?
A: It could be CW,CCW,Bi-directional, and depends your condition.

Q: Do you provide OEM services?
A: Yes, we can provide OEM services for volume production. Feel free to talk to us about your branding needs.

Q: What lowest speed can you make?
A: 1 rpm to 2rpm.

Q: What application of your AC reversible synchronous motor?
A: household appliance, Auto Control Machine, etc.

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Application: Universal, Household Appliances, Industrial, Power Tools
Certification: CCC, ISO9001
Transport Package: Carton or Pallet
Specification: CE
Trademark: I. CH
Origin: China


induction motor

What role do AC motors play in HVAC (heating, ventilation, and air conditioning) systems?

In HVAC (heating, ventilation, and air conditioning) systems, AC motors play a crucial role in various components and functions. These motors are responsible for powering fans, compressors, pumps, and other essential equipment within the HVAC system. Let’s explore the specific roles of AC motors in HVAC systems:

  • Air Handling Units (AHUs) and Ventilation Systems: AC motors drive the fans in AHUs and ventilation systems. These fans draw in fresh air, circulate air within the building, and exhaust stale air. The motors provide the necessary power to move air through the ductwork and distribute it evenly throughout the space. They play a key role in maintaining proper indoor air quality, controlling humidity, and ensuring adequate ventilation.
  • Chillers and Cooling Towers: HVAC systems that use chillers for cooling rely on AC motors to drive the compressor. The motor powers the compressor, which circulates refrigerant through the system, absorbing heat from the indoor environment and releasing it outside. AC motors are also used in cooling towers, which dissipate heat from the chiller system by evaporating water. The motors drive the fans that draw air through the cooling tower and enhance heat transfer.
  • Heat Pumps: AC motors are integral components of heat pump systems, which provide both heating and cooling. The motor drives the compressor in the heat pump, enabling the transfer of heat between the indoor and outdoor environments. During cooling mode, the motor circulates refrigerant to extract heat from indoors and release it outside. In heating mode, the motor reverses the refrigerant flow to extract heat from the outdoor air or ground and transfer it indoors.
  • Furnaces and Boilers: In heating systems, AC motors power the blowers or fans in furnaces and boilers. The motor drives the blower to distribute heated air or steam throughout the building. This helps maintain a comfortable indoor temperature and ensures efficient heat distribution in the space.
  • Pumps and Circulation Systems: HVAC systems often incorporate pumps for water circulation, such as in hydronic heating or chilled water systems. AC motors drive these pumps, providing the necessary pressure to circulate water or other heat transfer fluids through the system. The motors ensure efficient flow rates and contribute to the effective transfer of thermal energy.
  • Dampers and Actuators: AC motors are used in HVAC systems to control airflow and regulate the position of dampers and actuators. These motors enable the adjustment of airflow rates, temperature control, and zone-specific climate control. By modulating the motor speed or position, HVAC systems can achieve precise control of air distribution and temperature in different areas of a building.

AC motors in HVAC systems are designed to meet specific performance requirements, such as variable speed control, energy efficiency, and reliable operation under varying loads. Maintenance and regular inspection of these motors are essential to ensure optimal performance, energy efficiency, and longevity of the HVAC system.

In conclusion, AC motors play vital roles in HVAC systems by powering fans, compressors, pumps, and actuators. They enable proper air circulation, temperature control, and efficient transfer of heat, contributing to the overall comfort, air quality, and energy efficiency of buildings.

induction motor

How do AC motors contribute to the functioning of household appliances?

AC motors play a crucial role in the functioning of numerous household appliances by converting electrical energy into mechanical energy. These motors are used in a wide range of devices, powering various components and performing essential tasks. Let’s explore how AC motors contribute to the functioning of household appliances:

  • Kitchen Appliances: AC motors are found in various kitchen appliances, such as refrigerators, freezers, dishwashers, and blenders. In refrigerators and freezers, AC motors drive the compressor, which circulates the refrigerant and maintains the desired temperature. Dishwashers use AC motors to power the water pumps, spray arms, and the motorized detergent dispenser. Blenders utilize AC motors to rotate the blades and blend ingredients.
  • Laundry Appliances: AC motors are integral to laundry appliances like washing machines and clothes dryers. Washing machines rely on AC motors to power the agitator or the drum, facilitating the washing and spinning cycles. Clothes dryers use AC motors to rotate the drum and operate the blower fan, facilitating the drying process.
  • Vacuum Cleaners: Vacuum cleaners utilize AC motors to generate suction and drive the motorized brush or beater bar. These motors power the fan or impeller, creating the necessary airflow for effective cleaning.
  • Fans and Air Circulation: AC motors are employed in various types of fans, including ceiling fans, table fans, and pedestal fans. These motors drive the fan blades, producing airflow and facilitating air circulation to provide cooling or ventilation in rooms. Additionally, AC motors power exhaust fans used in kitchens, bathrooms, and range hoods to remove odors, smoke, or excess moisture.
  • Air Conditioning and Heating Systems: AC motors are critical components in air conditioning and heating systems. They power the compressor, condenser fan, and blower fan, which are responsible for circulating refrigerant, dissipating heat, and delivering conditioned air throughout the house. AC motors enable the regulation of temperature and humidity levels, ensuring comfort in residential spaces.
  • Garage Door Openers: AC motors are utilized in garage door openers to drive the mechanism responsible for opening and closing the garage door. These motors generate the necessary torque to lift or lower the door smoothly and efficiently.
  • Other Appliances: AC motors are also found in a variety of other household appliances. For instance, they power pumps in water heaters, swimming pool filters, and sump pumps. AC motors are used in dehumidifiers, humidifiers, and air purifiers to drive the fans and other internal components. They are also present in audiovisual equipment, such as DVD players, record players, and fans used for cooling electronics.

In summary, AC motors are essential components in household appliances, enabling their proper functioning and delivering the mechanical energy required for various tasks. From kitchen appliances to laundry machines, fans, air conditioning systems, and more, AC motors provide the necessary power and functionality to enhance our daily lives.

induction motor

How does the speed control mechanism work in AC motors?

The speed control mechanism in AC motors varies depending on the type of motor. Here, we will discuss the speed control methods used in two common types of AC motors: induction motors and synchronous motors.

Speed Control in Induction Motors:

Induction motors are typically designed to operate at a constant speed determined by the frequency of the AC power supply and the number of motor poles. However, there are several methods for controlling the speed of induction motors:

  1. Varying the Frequency: By varying the frequency of the AC power supply, the speed of an induction motor can be adjusted. This method is known as variable frequency drive (VFD) control. VFDs convert the incoming AC power supply into a variable frequency and voltage output, allowing precise control of motor speed. This method is commonly used in industrial applications where speed control is crucial, such as conveyors, pumps, and fans.
  2. Changing the Number of Stator Poles: The speed of an induction motor is inversely proportional to the number of stator poles. By changing the connections of the stator windings or using a motor with a different pole configuration, the speed can be adjusted. However, this method is less commonly used and is typically employed in specialized applications.
  3. Adding External Resistance: In some cases, external resistance can be added to the rotor circuit of an induction motor to control its speed. This method, known as rotor resistance control, involves inserting resistors in series with the rotor windings. By varying the resistance, the rotor current and torque can be adjusted, resulting in speed control. However, this method is less efficient and is mainly used in specific applications where precise control is not required.

Speed Control in Synchronous Motors:

Synchronous motors offer more precise speed control compared to induction motors due to their inherent synchronous operation. The following methods are commonly used for speed control in synchronous motors:

  1. Adjusting the AC Power Frequency: Similar to induction motors, changing the frequency of the AC power supply can control the speed of synchronous motors. By adjusting the power frequency, the synchronous speed of the motor can be altered. This method is often used in applications where precise speed control is required, such as industrial machinery and processes.
  2. Using a Variable Frequency Drive: Variable frequency drives (VFDs) can also be used to control the speed of synchronous motors. By converting the incoming AC power supply into a variable frequency and voltage output, VFDs can adjust the motor speed with high accuracy and efficiency.
  3. DC Field Control: In some synchronous motors, the rotor field is supplied by a direct current (DC) source, allowing for precise control over the motor’s speed. By adjusting the DC field current, the magnetic field strength and speed of the motor can be controlled. This method is commonly used in applications that require fine-tuned speed control, such as industrial processes and high-performance machinery.

These methods provide different ways to control the speed of AC motors, allowing for flexibility and adaptability in various applications. The choice of speed control mechanism depends on factors such as the motor type, desired speed range, accuracy requirements, efficiency considerations, and cost constraints.

China OEM Wholesale Global Sources 49mm AC Geared Synchronous Motor   vacuum pump electricChina OEM Wholesale Global Sources 49mm AC Geared Synchronous Motor   vacuum pump electric
editor by CX 2024-04-22