China Good quality Outside Retractable Awnings AC Electrical Tubular Motor vacuum pump ac system

Product Description

Remote Control
Mechanical Limited Switch


Serie Ø45R For Octagonal Tubes 60mm, with Built-in Radio Receiver      
Articolo           Item                     Modello  Model                       Rulli                          Oct tube           Alimentazione Power Supply Coppia  Torque                 Velocita Speed                    Potenza asscrbita Absorbed power                   Corrente assorbita Current consumption     Giri finecorsa                      Limit Switch Rotation                       Misura
    mm   Nm giri/min. rpm W A   C (mm)
300.620.15R S45R-20/15 60 230V AC/50Hz 20 15 156 0.68 22 544
300.630.15R S45R-30/15 60 230V AC/50Hz 30 15 204 0.9 22 574
300.650.12R S45R-50/12 60 230V AC/50Hz 50 12 220 1.00 22 614

Tubular motor Series
Series Model Dia applied  Type Torque N.m
35 Series S35 35mm Oct-40 Standard+Mechanical Limited Switch  6~10
S35R 35mm Oct-40 Remote Control + Mechanical Limited Switch  6~10
S35E 35mm Oct-40 Remote Control + ELectronic Limited Switch  + Automatic Switch-off 6~10
45 Series S45 45mm Oct-60 Standard+Mechanical Limited Switch  20~60
S45M 45mm Oct-60 Manual Override + Mechanical Limited Switch  20~60
S45R 45mm Oct-60 Remote Control + Mechanical Limited Switch   20~50
S45RM 45mm Oct-60 Manual Override +Remote Control + Mechanical Limited Switch 20~50
S45E 45mm Oct-60 Remote Control + ELectronic Limited Switch  + Automatic Switch-off 20~50
59 Series S59 59mm Oct-70 Standard+Mechanical Limited Switch  60~150
S59M 59mm Oct-70 Manual Override + Mechanical Limited Switch  60~150
S59R 59mm Oct-70 Remote Control + Mechanical Limited Switch   60~120
92 Series S92M 92mm / Manual Override + Mechanical Limited Switch  170-550
We also accept customized requirements !

Motor Type Explanation
A. Standard Type: Means the motor can be connected to a switch with power cable.
B. Remote Control Type: There is a built-in receiver in the motor, and can be controlled by a remote controller or a wall type radio transmitter.
C. Manual Override: Can be understood as there is a gear winch in the head of the motor. It is designed in case there is an electricity cut-off, the motor can still work. It can be driven up and down by a hand crank.
D. Mechanical Limited Switch: The limited travel distance of the motor was adjusted by a rod tool.
E. Electronic Limited Switch: the limited travel distance of the motor is adjusted by the remote controller electronically.

Specification Explanation:
IP44 : Protection class (It means that it can prevent CHINAMFG blocks with diameter over 1mm from invading the motor tube and prevent liquids splashed in all directions0
Torque: It is related to the load capacity and the radius of the driving tube. Torque (N.m) =Radius(mm) X load(kg)/100

Warranty & After-sales Service
We offer 5 years after-sales service compared to 1 year other suppliers can provide .

Excellent Quality
We have 100% motors inspected and tested before packing.

Professional service
 We’ve been in roller shutter area for more than 15 years , and we specialize in tubular motor for window & door use .

(1) Q: Do you offer OEM service?
     A: Yes .

(2) Q: What is your payment term?
     A: 30% T/T in advance, 70% balance when receiving B/L copy .Or irrevocable L/C.

(3) Q: What is your lead time?
      A: Normally about 25-30 days CHINAMFG deposit or original L/C.

(4) Q: What certificates do you have?
      A: We have LVD, EMC. And we can apply for specific certificate for different country if it’s necessary .

(5) Q: Is it possible to visit your factory?
      A: Sure. We welcome you to come to china, just kindly keep us informed a few days in advance so that we can check our schedule to see if we are available then.

(6) Q: Can I get some samples?
      A: Yes , but first we need to check the stock . Sample and delivery fee can be refund if an official order is placed .

(7) Q: Is there a MOQ for your motors?
     A: Normally our MOQ is between 500-1000 pcs for different models after sample approval. Smaller orders please contact us to let us see if the stock is available .

HangZhou CHINAMFG Motor Co.,Ltd is located in HangZhou and is a production base under SIGATE GROUP, specialized in production and quality control of full range of tubular motors, central motors, side motors, etc.

With 16-year experience in roller shutter field, we, SIGATE GROUP, can professionally provide you with :

1. Full range of roller shutter accessories.
2. Tubular motors 35mm, 45mm, 59mm and 92mm, Central Motors.
3. Insect Screens System and components.
4. Extruded Aluminum Profiles.

Company website

Catalog download link:

Please feel free to send us a message , we’d be very glad to offer you our professional advice within 24 working hours.


Application: Machine Tool
Speed: Low Speed
Number of Stator: Single-Phase
Certification: ISO9001, CCC, LVD EMC Ce
Brand: Sigate
Voltage: 230V AC/50Hz


induction motor

How do variable frequency drives (VFDs) impact the performance of AC motors?

Variable frequency drives (VFDs) have a significant impact on the performance of AC motors. A VFD, also known as a variable speed drive or adjustable frequency drive, is an electronic device that controls the speed and torque of an AC motor by varying the frequency and voltage of the power supplied to the motor. Let’s explore how VFDs impact AC motor performance:

  • Speed Control: One of the primary benefits of using VFDs is the ability to control the speed of AC motors. By adjusting the frequency and voltage supplied to the motor, VFDs enable precise speed control over a wide range. This speed control capability allows for more efficient operation of the motor, as it can be operated at the optimal speed for the specific application. It also enables variable speed operation, where the motor speed can be adjusted based on the load requirements, resulting in energy savings and enhanced process control.
  • Energy Efficiency: VFDs contribute to improved energy efficiency of AC motors. By controlling the motor speed based on the load demand, VFDs eliminate the energy wastage that occurs when motors run at full speed even when the load is light. The ability to match the motor speed to the required load reduces energy consumption and results in significant energy savings. In applications where the load varies widely, such as HVAC systems, pumps, and fans, VFDs can provide substantial energy efficiency improvements.
  • Soft Start and Stop: VFDs offer soft start and stop capabilities for AC motors. Instead of abruptly starting or stopping the motor, which can cause mechanical stress and electrical disturbances, VFDs gradually ramp up or down the motor speed. This soft start and stop feature reduces mechanical wear and tear, extends the motor’s lifespan, and minimizes voltage dips or spikes in the electrical system. It also eliminates the need for additional mechanical devices, such as motor starters or brakes, improving overall system reliability and performance.
  • Precision Control and Process Optimization: VFDs enable precise control over AC motor performance, allowing for optimized process control in various applications. The ability to adjust motor speed and torque with high accuracy enables fine-tuning of system parameters, such as flow rates, pressure, or temperature. This precision control enhances overall system performance, improves product quality, and can result in energy savings by eliminating inefficiencies or overcompensation.
  • Motor Protection and Diagnostic Capabilities: VFDs provide advanced motor protection features and diagnostic capabilities. They can monitor motor operating conditions, such as temperature, current, and voltage, and detect abnormalities or faults in real-time. VFDs can then respond by adjusting motor parameters, issuing alerts, or triggering shutdowns to protect the motor from damage. These protection and diagnostic features help prevent motor failures, reduce downtime, and enable predictive maintenance, resulting in improved motor reliability and performance.
  • Harmonics and Power Quality: VFDs can introduce harmonics into the electrical system due to the switching nature of their operation. Harmonics are undesirable voltage and current distortions that can impact power quality and cause issues in the electrical distribution network. However, modern VFDs often include built-in harmonic mitigation measures, such as line reactors or harmonic filters, to minimize harmonics and ensure compliance with power quality standards.

In summary, VFDs have a profound impact on the performance of AC motors. They enable speed control, enhance energy efficiency, provide soft start and stop capabilities, enable precision control and process optimization, offer motor protection and diagnostic features, and address power quality considerations. The use of VFDs in AC motor applications can lead to improved system performance, energy savings, increased reliability, and enhanced control over various industrial and commercial processes.

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

What is an AC motor, and how does it differ from a DC motor?

An AC motor, also known as an alternating current motor, is a type of electric motor that operates on alternating current. It converts electrical energy into mechanical energy through the interaction of magnetic fields. AC motors are widely used in various applications, ranging from household appliances to industrial machinery. Here’s a detailed explanation of what an AC motor is and how it differs from a DC motor:

AC Motor:

An AC motor consists of two main components: the stator and the rotor. The stator is the stationary part of the motor and contains the stator windings. These windings are typically made of copper wire and are arranged in specific configurations to create a rotating magnetic field when energized by an alternating current. The rotor, on the other hand, is the rotating part of the motor and is typically made of laminated steel cores with conducting bars or coils. The rotor windings are connected to a shaft, and their interaction with the rotating magnetic field produced by the stator causes the rotor to rotate.

The operation of an AC motor is based on the principles of electromagnetic induction. When the stator windings are energized with an AC power supply, the changing magnetic field induces a voltage in the rotor windings, which in turn creates a magnetic field. The interaction between the rotating magnetic field of the stator and the magnetic field of the rotor produces a torque, causing the rotor to rotate. The speed of rotation depends on the frequency of the AC power supply and the number of poles in the motor.

DC Motor:

A DC motor, also known as a direct current motor, operates on direct current. Unlike an AC motor, which relies on the interaction of magnetic fields to generate torque, a DC motor uses the principle of commutation to produce rotational motion. A DC motor consists of a stator and a rotor, similar to an AC motor. The stator contains the stator windings, while the rotor consists of a rotating armature with coils or permanent magnets.

In a DC motor, when a direct current is applied to the stator windings, a magnetic field is created. The rotor, either through the use of brushes and a commutator or electronic commutation, aligns itself with the magnetic field and begins to rotate. The direction of the current in the rotor windings is continuously reversed to ensure continuous rotation. The speed of a DC motor can be controlled by adjusting the voltage applied to the motor or by using electronic speed control methods.


The main differences between AC motors and DC motors are as follows:

  • Power Source: AC motors operate on alternating current, which is the standard power supply in most residential and commercial buildings. DC motors, on the other hand, require direct current and typically require a power supply that converts AC to DC.
  • Construction: AC motors and DC motors have similar construction with stators and rotors, but the design and arrangement of the windings differ. AC motors generally have three-phase windings, while DC motors can have either armature windings or permanent magnets.
  • Speed Control: AC motors typically operate at fixed speeds determined by the frequency of the power supply and the number of poles. DC motors, on the other hand, offer more flexibility in speed control and can be easily adjusted over a wide range of speeds.
  • Efficiency: AC motors are generally more efficient than DC motors. AC motors can achieve higher power densities and are often more suitable for high-power applications. DC motors, however, offer better speed control and are commonly used in applications that require precise speed regulation.
  • Applications: AC motors are widely used in applications such as industrial machinery, HVAC systems, pumps, and compressors. DC motors find applications in robotics, electric vehicles, computer disk drives, and small appliances.

In conclusion, AC motors and DC motors differ in their power source, construction, speed control, efficiency, and applications. AC motors rely on the interaction of magnetic fields and operate on alternating current, while DC motors use commutation and operate on direct current. Each type of motor has its advantages and is suited for different applications based on factors such as power requirements, speed control needs, and efficiency considerations.

China Good quality Outside Retractable Awnings AC Electrical Tubular Motor   vacuum pump ac system	China Good quality Outside Retractable Awnings AC Electrical Tubular Motor   vacuum pump ac system
editor by CX 2023-11-29