Tag Archives: motor 2000w

China manufacturer Ygopl-D-053 10inch 96V 2000W BLDC Electric Motorcycle Scooter Hub Motor vacuum pump adapter

Product Description

CLEARANCE 10″ HUB MOTOR
BL-S-001 CW-D-044 GC-D-030
US$40.28 / Piece
US$45.55 / Piece
US$39.31 / Piece
Voltage:60V
Power:800W

Speed:600rpm

Hub Size:10*1.85MT

Hub Material:iron Wheel

Brake type:09B-2 Disc Brake

Controller Type:Wireless

Voltage:48V
Power:800W-1400W

Speed:540rpm
Hub Size:10*2.15MT
Hub Material:iron Wheel
Brake type:Disc Brake(14-12)
Controller Type:Wireless

Voltage:48V
Power:800-1400W

Speed:560rpm
Hub Size:10*1.85MT
Hub Material:iron Wheel
Brake type:Drum Brake
Controller Type:Wireless

DKS-S-002 GT-S-004 GT-S-002
US$38.62 / Piece US$32.97 / Piece US$38.62 / Piece
Voltage:60V
Power:800W

Speed:600rpm

Hub Size:10*2.15MT
Hub Material:iron Wheel
Brake type:Drum Brake
Controller Type:Wireless

Voltage:48V
Power:650W

Speed:520rpm
Hub Size:10*1.85MT
Hub Material:iron Wheel
Brake type:09B-2 Disc Brake
Controller Type:Wireless

Voltage:48V/60V
Power:800W

Speed:480rpm
Hub Size:10*1.85MT
Hub Material:iron Wheel
Brake type:09B-2 Drum Brake
Controller Type:Wireless

JXL-D-041 JM-D-139 WY-S-002
US$40.55 / Piece US$46.21 / Piece US$37.93 / Piece
Voltage:60V
Power:800W

Speed:560rpm
Hub Size:10*1.85MT
Hub Material:iron Wheel
Brake type:Drum Brake
Controller Type:Wireless

Voltage:60V/72V
Power:1000W

Speed:550rpm
Hub Size:10×2.15MT
Hub Material:iron Wheel
Brake type:Drum Brake
Controller Type:Wireless

Voltage:48V/60V
Power:800W

Speed:480rpm
Hub Size:10*2.15MT
Hub Material:iron Wheel
Brake type:Disc Brake
Controller Type:Wireless

YGOPL-D-053 YGOPL-S-002 GW-D-056
US$45.55 / Piece US$45.55 / Piece US$45.55 / Piece

Voltage:96V
Power:2000W

Speed:560rpm

Hub Size:10*2.15MT

Hub Material:iron Wheel

Brake type:Disc Brake

Controller Type:Wireless

Voltage:60V/72V
Power:1000W

Speed:600rpm

Hub Size:10*2.15MT

Hub Material:iron Wheel

Brake type:Disc Brake

Controller Type:Wireless

Voltage:60V/72V
Power:1500W

Speed:530rpm
Hub Size:10*2.15MT
Hub Material:iron Wheel
Brake type:Drum Brake
Controller Type:Wireless

GXXY-D-005 HR-D-571 SY-S-001
US$35.17 / Piece US$37.24 / Piece US$38.48 / Piece
Voltage:48V
Power:350W

Speed:490rpm
Hub Size:10*2.15MT
Hub Material:iron Wheel
Brake type:Drum Brake
Controller Type:Shaft outgoing line

Voltage:48V
Power:800W

Speed:540rpm
Hub Size:10*2.15MT
Hub Material:iron Wheel
Brake type:Drum Brake
Controller Type:Wireless
Logo:no logo

Voltage:60V
Power:800W-1000W

Speed:600rpm
Hub Size:10*2.15MT
Hub Material:iron Wheel
Brake type:Drum Brake
Controller Type:Wireless

TJGW-D-050 XY-D-019 YGLM-D-057
US$28.95 / Piece US$35.86 / Piece US$33.24 / Piece
Voltage:48V
Power:800W

Speed:430rpm
Hub Size:10*1.85MT
Hub Material:iron Wheel
Brake type:Drum Brake
Controller Type:Wireless
Hall sheath: use “V0 grade flame retardant material”

Voltage:48V/60V

Speed:540rpm
Power:800W
Hub Size:10*2.15MT
Hub Material:iron Wheel
Brake type:Drum Brake
Controller Type:Wireless
Logo:no logo

Voltage:48V
Power:800W

Speed:330rpm
Hub Size:10*1.85MT
Hub Material:iron Wheel
Brake type:Drum Brake
Controller Type:**

Used in scooter and motorcycle with high power
giving excellent balance capacity,comfortable,smooth and durable in use.

 

HangZhou Sine Power Technology Co.,Ltd.

         Founded in July 2571, the company is known as the “originator of electric vehicle power and control technology”. We mainly produce electric vehicle motors, controllers, and “multi-mode common rail” electric drive system products, and the quartet of intelligent products. In 2571, we established the Sine Power Research Institute and cooperated with Southeast University to establish a team of more than 100 people for technical R&D, quality control, and technical service. So far, with more than 100 technology patents, including 27 invention patents
 

FAQ
 
 1. Q: Can I get samples before my formal order?
A: Yes, special sample services are available. And the sample cost can be relived once the formal order comes.

2. Q: How do you control the quality?
A: 1. Provide sample test report confirmation; 2. Seal sample confirmation. 3. Shoot production videos during the production process; 4. Send out test reports and test videos when the products are off-line; 5. Use foam cartons and woven bags for packaging, and the perfect packaging method ensures that the products are not damaged during transportation.

3. Q: Can I get a customize service?
A: Yes, ODM OEM services are available. (Appearance color, decal, power, etc. can be customized if the quantity can be above 50sets)

4. Q: What is the warranty time of your products?
A:The motor and controller are guaranteed for 18 months.

5. Q: How about payment terms and price terms?
A: Payment Terms: EXW,FOB,CNF/CFR,CIF,L/C, etc. Price Terms: Sample list 100%;Regular order 100% TT or 100% L/C or 30%TT,70%L/C.The specific payment method can be negotiated.

6. Q: What’s the approximate lead time?
A: After the advanced payment confirmed, normally 5 days for stock products,15 days for conventional models , and 30 days for special models. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Car, Electric Motorcycle Scooter
Operating Speed: Adjust Speed
Function: Control
Structure and Working Principle: Brushless
Certification: ISO9001, CCC
Brand: Sine Power
Samples:
US$ 50/Piece
1 Piece(Min.Order)

|

Customization:
Available

|

electric motor

Can you provide examples of machinery or equipment that rely on electric motors?

Electric motors are extensively used in various machinery and equipment across different industries. They play a crucial role in converting electrical energy into mechanical energy to power a wide range of applications. Here are some examples of machinery and equipment that heavily rely on electric motors:

  • Industrial Machinery: Electric motors are found in numerous industrial machinery and equipment, such as pumps, compressors, fans, conveyors, agitators, mixers, and machine tools. These motors provide the necessary power for moving fluids, gases, and materials, as well as driving mechanical processes in manufacturing, mining, construction, and other industrial applications.
  • Electric Vehicles: Electric motors are the primary propulsion system in electric vehicles (EVs) and hybrid electric vehicles (HEVs). They provide the power needed to drive the wheels and propel the vehicle. Electric motors in EVs and HEVs offer high efficiency, instant torque, and regenerative braking capabilities, contributing to the advancement of sustainable transportation.
  • Household Appliances: Many household appliances rely on electric motors for their operation. Examples include refrigerators, air conditioners, washing machines, dishwashers, vacuum cleaners, blenders, and electric fans. Electric motors enable the movement, cooling, or mechanical functions in these appliances, enhancing convenience and efficiency in daily household tasks.
  • HVAC Systems: Heating, ventilation, and air conditioning (HVAC) systems utilize electric motors for various functions. Motors power the fans in air handling units, circulate air through ducts, and drive compressors in air conditioning and refrigeration systems. Electric motors in HVAC systems contribute to efficient temperature control and air circulation in residential, commercial, and industrial buildings.
  • Medical Equipment: Electric motors are essential components in a wide array of medical equipment. Examples include MRI machines, X-ray machines, CT scanners, surgical robots, dental drills, infusion pumps, and patient lifts. These motors enable precise movements, imaging capabilities, and mechanical functions in medical devices, supporting diagnostics, treatment, and patient care.
  • Power Tools: Electric motors are commonly used in power tools such as drills, saws, grinders, sanders, and routers. They provide the rotational force and power required for cutting, shaping, drilling, and other tasks. Electric motors in power tools offer portability, ease of use, and consistent performance for both professional and DIY applications.
  • Aircraft Systems: Electric motors are increasingly utilized in aircraft systems. They power various components, including landing gear actuation systems, fuel pumps, hydraulic systems, and cabin air circulation systems. Electric motors in aircraft contribute to weight reduction, energy efficiency, and improved reliability compared to traditional hydraulic or pneumatic systems.

These examples represent just a fraction of the machinery and equipment that rely on electric motors. From industrial applications to household appliances and transportation systems, electric motors are integral to modern technology, providing efficient and reliable mechanical power for a wide range of purposes.

electric motor

How do electric motors impact the overall productivity of manufacturing processes?

Electric motors have a significant impact on the overall productivity of manufacturing processes. Their versatility, reliability, and efficiency make them essential components in a wide range of industrial applications. Here’s a detailed explanation of how electric motors contribute to enhancing productivity in manufacturing:

  1. Mechanization and Automation: Electric motors serve as the primary power source for a vast array of industrial machinery and equipment. By providing mechanical power, electric motors enable mechanization and automation of manufacturing processes. They drive conveyor belts, pumps, compressors, robots, and other machinery, allowing for efficient material handling, assembly, and production operations. The use of electric motors in mechanized and automated systems reduces manual labor, accelerates production rates, and improves overall productivity.
  2. Precise Control and Repeatable Movements: Electric motors offer precise control over speed, position, and torque, enabling accurate and repeatable movements in manufacturing processes. This precision is crucial for tasks that require consistent and controlled operations, such as precision cutting, drilling, machining, and assembly. Electric motors allow for fine adjustments and control, ensuring that manufacturing operations are performed with high levels of accuracy and repeatability, which ultimately enhances productivity and product quality.
  3. High Speed and Acceleration: Electric motors are capable of achieving high rotational speeds and rapid acceleration, enabling fast-paced manufacturing processes. Motors with high-speed capabilities are utilized in applications that require quick operations, such as high-speed machining, packaging, and sorting. The ability of electric motors to rapidly accelerate and decelerate facilitates efficient cycle times and overall process throughput, contributing to increased productivity.
  4. Reliability and Durability: Electric motors are known for their reliability and durability, making them well-suited for demanding manufacturing environments. With proper maintenance, electric motors can operate continuously for extended periods, minimizing downtime due to motor failures. The reliability of electric motors ensures consistent and uninterrupted production, optimizing manufacturing productivity and reducing costly disruptions.
  5. Energy Efficiency: Electric motors have witnessed significant advancements in energy efficiency, leading to reduced energy consumption in manufacturing processes. Energy-efficient motors convert a higher percentage of electrical input power into useful mechanical output power, resulting in lower energy costs. By utilizing energy-efficient electric motors, manufacturers can achieve cost savings and improve the overall sustainability of their operations. Additionally, energy-efficient motors generate less heat, reducing the need for cooling and improving the overall efficiency of auxiliary systems.
  6. Integration with Control Systems: Electric motors can be seamlessly integrated with sophisticated control systems and automation technologies. This integration allows for centralized control, monitoring, and optimization of manufacturing processes. Control systems can regulate motor speed, torque, and performance based on real-time data, enabling adaptive and efficient operations. The integration of electric motors with control systems enhances the overall productivity by optimizing process parameters, minimizing errors, and facilitating seamless coordination between different stages of manufacturing.

Electric motors significantly impact the overall productivity of manufacturing processes by enabling mechanization, automation, precise control, high-speed operations, reliability, energy efficiency, and integration with advanced control systems. Their versatility and performance characteristics make them indispensable in a wide range of industries, including automotive, electronics, aerospace, food processing, and more. By harnessing the power of electric motors, manufacturers can streamline operations, improve product quality, increase throughput, and ultimately enhance productivity in their manufacturing processes.

electric motor

Can you explain the basic principles of electric motor operation?

An electric motor operates based on several fundamental principles of electromagnetism and electromagnetic induction. These principles govern the conversion of electrical energy into mechanical energy, enabling the motor to generate rotational motion. Here’s a detailed explanation of the basic principles of electric motor operation:

  1. Magnetic Fields: Electric motors utilize magnetic fields to create the forces necessary for rotation. The motor consists of two main components: the stator and the rotor. The stator contains coils of wire wound around a core and is responsible for generating a magnetic field. The rotor, which is connected to the motor’s output shaft, has magnets or electromagnets that produce their own magnetic fields.
  2. Magnetic Field Interaction: When an electric current flows through the coils in the stator, it generates a magnetic field. This magnetic field interacts with the magnetic field produced by the rotor. The interaction between these two magnetic fields results in a rotational force, known as torque, that causes the rotor to rotate.
  3. Electromagnetic Induction: Electric motors can also operate on the principle of electromagnetic induction. In these motors, alternating current (AC) is supplied to the stator coils. The alternating current produces a changing magnetic field that induces a voltage in the rotor. This induced voltage then generates a current in the rotor, which creates its own magnetic field. The interaction between the stator’s magnetic field and the rotor’s magnetic field leads to rotation.
  4. Commutation: In certain types of electric motors, such as brushed DC motors, commutation is employed. Commutation refers to the process of reversing the direction of the current in the rotor’s electromagnets to maintain continuous rotation. This is achieved using a component called a commutator, which periodically switches the direction of the current as the rotor rotates. By reversing the current at the right time, the commutator ensures that the magnetic fields of the stator and the rotor remain properly aligned, resulting in continuous rotation.
  5. Output Shaft: The rotational motion generated by the interaction of magnetic fields is transferred to the motor’s output shaft. The output shaft is connected to the load or the device that needs to be driven, such as a fan, a pump, or a conveyor belt. As the motor rotates, the mechanical energy produced is transmitted through the output shaft, enabling the motor to perform useful work.

In summary, the basic principles of electric motor operation involve the generation and interaction of magnetic fields. By supplying an electric current to the stator and utilizing magnets or electromagnets in the rotor, electric motors create magnetic fields that interact to produce rotational motion. Additionally, the principle of electromagnetic induction allows for the conversion of alternating current into mechanical motion. Commutation, in certain motor types, ensures continuous rotation by reversing the current in the rotor’s electromagnets. The resulting rotational motion is then transferred to the motor’s output shaft to perform mechanical work.

China manufacturer Ygopl-D-053 10inch 96V 2000W BLDC Electric Motorcycle Scooter Hub Motor   vacuum pump adapter	China manufacturer Ygopl-D-053 10inch 96V 2000W BLDC Electric Motorcycle Scooter Hub Motor   vacuum pump adapter
editor by CX 2024-04-30

China PWM DC Motor Speed Controller Adjustable Variable Speed Switch 12V 24V 36V 48V 40A 2000W 9-50V HOO dc motor

Design Quantity: MD678
Product name: Motor Velocity Controller
Enter offer voltage: DC 10V-50V
Output electrical power: .01W-2000W(max.)
Rated present: 30A
Peak Current: 40A
PWM frequency: 12khz
Obligation Cycle adjustable: 5%-one hundred%
Operation surroundings temperature: -20℃(-4℉) to 40℃(104℉)
Measurement: 4.25*2.17*1.5 inches
Web weight: 150g
Packaging Specifics: Bubble bag and strong carton
Port: ZheJiang &HangZhou

Specs

Solution identifyDC Motor Velocity ControllerEnter voltage 10V-50VDC
PWM frequency12khzDuty Cycle adjustablefive%-one hundred%
Merchandise measurementfour.25*2.seventeen*1.5 inchesOperation setting temperature-20℃-40℃
Output electrical power.01W-2000W(max)Rated existing30A
Peak Recent40AWeb bodyweight150g
Detailed Photographs Certifications Our Organization HangZhou MD Plastic&Hardware CO., LTD WAS Launched IN 2011,WE ARE Expert Factory TO Layout& Build&Generate Digital Manufacturing This sort of AS MOTOR CONTROLLER.OEM IS WELCOME !Colours CAN BE Custom-made.OUR MISSION IS TO Supply Ideal Support TO OUR Consumers AND Concentrate ON Constructing A Lengthy-Phrase PARTNERSHIP WITH OUR Consumers WHICH EADING US TO Develop A CZPT Scenario.WE ARE Committed TO Placing OUR Clients AS THE Initial Priority,BY Delivering High High quality Merchandise, Standard C45 modifying ring Din 705 Metric Established Screw Shaft Collar INTEGRITY,HONESTY AND ACCOUNTABILITY IN OUR Globally Enterprise.
Our Family members Packing & Supply Our most skilled packagingTransport of massive trucks to the seaportAnd global transport cooperationOur Providerone. ODM&OEM Producing welcome: Product, Package… 2. Sample purchase is welcome. 3. We will reply you for your inquiry in 24 several hours.4. Right after sending, we will observe the items for you when every single 2 days, until finally you get the items. When you acquired the items, test them, cheap mini electric powered motor for toy and micro dc equipment motor 5v china provider and give me a comments.If you have any inquiries about the dilemma, make contact with with us, we will provide the resolve way for you.
FAQQ1. What is your conditions of packing?A: Usually, we pack our items in plastic bag and powerful cartons. If you have legally registered patent, we can pack the products in your branded packing containers following getting your authorization letters. Q2. What is your terms of payment?A: T/T 30% as deposit, and 70% prior to delivery. We are going to present you the images of the goods and packages just before you shell out the harmony. Q3. What is your terms of delivery?A: EXW, FOB, LA-AC 3500N Substantial Velocity Fast IP65 Encoder Potentiometer Corridor 24V 36V 48V 12V DC Motor Linear Actuator CFR, CIF, DDU. Q4. How about your shipping time?A: Generally, it will just take ten times soon after receiving your progress payment. The specific shipping time is dependent on the items and the quantity of your buy. Q5. Can you produce according to the samples?A: Yes, we can generate by your samples or specialized drawings. We can construct the molds and fixtures. Q6. What is your sample coverage?A: We can source the sample if we have prepared elements in stock, but the consumers have to shell out the sample price and the courier price.Q7. Do you test all your goods ahead of supply? A: Indeed, we have a hundred% take a look at prior to delivery Q8: How do you make our enterprise lengthy-term and very good partnership?A:1. We maintain excellent high quality and aggressive value to make sure our consumers reward 2. We respect each and every consumer as our pal and we sincerely do company and make pals with them, Custom made OEM Great Good quality CNC Turning Mountable Shaft Collar SS304 Flange Shaft Collar Established Screw Swift Clamp Lock Shaft Collars no subject in which they appear from.

How to Select a Gear Motor

A gearmotor is an electrical machine that transfers energy from one place to another. There are many types of gearmotors. This article will discuss the types of gearmotors, including Angular geared motors, Planetary gearboxes, Hydraulic gear motors, and Croise motors. In addition to its uses, gearmotors have many different characteristics. In addition, each type has distinct advantages and disadvantages. Listed below are a few tips on selecting a gearmotor.

Angular geared motors

Angular geared motors are the optimum drive element for applications where torques, forces, and motions need to be transferred at an angle. Compared to other types of geared motors, these have few moving parts, a compact design, and a long life. Angular geared motors are also highly efficient in travel drive applications. In addition to their durability, they have a low maintenance requirement and are highly corrosion-resistant.
Helical worm geared motors are a low-cost solution for drives that employ angular geared motors. They combine a worm gear stage and helical input stage to offer higher efficiency than pure worm geared motors. This drive solution is highly reliable and noise-free. Angular geared motors are often used in applications where noise is an issue, and helical worm geared motors are particularly quiet.
The gear ratio of an angular geared motor depends on the ratio between its input and output shaft. A high-quality helical geared motor has a relatively low mechanical noise level, and can be installed in almost any space. The torque of a helical geared motor can be measured by using frequency measurement equipment. The energy efficiency of angular geared motors is one of the most important factors when choosing a motor. Its symmetrical arrangement also allows it to operate in low-speed environments.
When selecting the right angular geared motor, it is important to keep in mind that increased torque will lead to poor output performance. Once a gear motor reaches its stall torque, it will no longer function properly. This makes it important to consult a performance curve to choose the appropriate motor. Most DC motor manufacturers are more than happy to provide these to customers upon request. Angular geared motors are more expensive than conventional worm gear motors.
Motor

Planetary gearboxes

Planetary gearboxes are used in industrial machinery to generate higher torque and power density. There are three main types of planetary gearboxes: double stage, triple stage, and multistage. The central sun gear transfers torque to a group of planetary gears, while the outer ring and spindle provide drive to the motor. The design of planetary gearboxes delivers up to 97% of the power input.
The compact size of planetary gears results in excellent heat dissipation. In some applications, lubrication is necessary to improve durability. Nevertheless, if you are looking for high speed transmission, you should consider the additional features, such as low noise, corrosion resistance, and construction. Some constructors are better than others. Some are quick to respond, while others are unable to ship their products in a timely fashion.
The main benefit of a planetary gearbox is its compact design. Its lightweight design makes it easy to install, and the efficiency of planetary gearboxes is up to 0.98%. Another benefit of planetary gearboxes is their high torque capacity. These gearboxes are also able to work in applications with limited space. Most modern automatic transmissions in the automotive industry use planetary gears.
In addition to being low in cost, planetary gearboxes are a great choice for many applications. Neugart offers both compact and right angle versions. The right angle design offers a high power-to-weight ratio, making it ideal for applications where torque is needed to be transmitted in reverse mode. So if you’re looking for an efficient way to move heavy machinery around, planetary gearboxes can be a great choice.
Another advantage of planetary gearboxes is their ability to be easily and rapidly changed from one application to another. Since planetary gears are designed to be flexible, you don’t have to buy new ones if you need to change gear ratios. You can also use planetary gears in different industries and save on safety stock by sharing common parts. These gears are able to withstand high shock loads and demanding conditions.
Motor

Hydraulic gear motors

Hydraulic gear motors are driven by oil that is pumped into a gear box and causes the gears to rotate. This method of energy production is quiet and inexpensive. The main drawbacks of hydraulic gear motors are that they are noisy and inefficient at low speeds. The other two types of hydraulic motors are piston and vane-type hydraulic motors. The following are some common benefits of hydraulic gear motors.
A hydraulic gear motor is composed of two gears – a driven gear and an idler. The driven gear is attached to the output shaft via a key. High-pressure oil flows into the housing between the gear tips and the motor housing, and the oil then exits through an outlet port. Unlike a conventional gear motor, the gears mesh to prevent the oil from flowing backward. As a result, they are an excellent choice for agricultural and industrial applications.
The most common hydraulic gear motors feature a gerotor and a drive gear. These gears mesh with a larger gear to produce rotation. There are also three basic variations of gear motors: roller-gerotor, gerotor, and differential. The latter produces higher torque and less friction than the previous two. These differences make it difficult to choose which type is the best for your needs. A high-performance gear motor will last longer than an ordinary one.
Radial piston hydraulic motors operate in the opposite direction to the reciprocating shaft of an electric gearmotor. They have nine pistons arranged around a common center line. Fluid pressure causes the pistons to reciprocate, and when they are stationary, the pistons push the fluid out and move back in. Because of the high pressure created by the fluid, they can rotate at speeds up to 25,000RPM. In addition, hydraulic gear motors are highly efficient, allowing them to be used in a wide range of industrial and commercial applications.
Hydraulic gear motors complement hydraulic pumps and motors. They are also available in reversible models. To choose the right hydraulic motor for your project, take time to gather all the necessary information about the installation process. Some types require specialized expertise or complicated installation. Also, there are some differences between closed and open-loop hydraulic motors. Make sure to discuss the options with a professional before you make a decision.
Motor

Croise motors

There are many advantages to choosing a Croise gear motor. It is highly compact, with less weight and space than standard motors. Its right-angle shaft and worm gear provide smooth, quiet operation. A silent-type brake ensures no metallic sound during operation. It also offers excellent positioning accuracy and shock resistance. This is why this motor is ideal for high-frequency applications. Let’s take a closer look.
A properly matched gearmotor will provide maximum torque output in a specified period. Its maximum developing torque is typically the rated output torque. A one-twelfth-horsepower (1/8 horsepower) motor can meet torque requirements of six inch-pounds, without exceeding its breakdown rating. This lower-cost unit allows for production variations and allows the customer to use a less powerful motor. Croise gear motors are available in a variety of styles.

China PWM DC Motor Speed Controller Adjustable Variable Speed Switch 12V 24V 36V 48V 40A 2000W 9-50V HOO     dc motor	China PWM DC Motor Speed Controller Adjustable Variable Speed Switch 12V 24V 36V 48V 40A 2000W 9-50V HOO     dc motor
editor by czh 2023-02-20