Step into a world of exceptional innovation with our single-phase capacitance-running asynchronous AC motor. This marvel of engineering is purpose-built to integrate flawlessly into centrifugal fan units, delivering unmatched performance and efficiency for all your ventilation requirements. Experience the zenith of reliability and functionality, tailored precisely for your needs.

1. Output power ranges from 70W to 900W, with customization available to meet customer specifications. |
2. Equipped with high-quality, low-noise rolling bearings from either imported or domestic brands. The motor features a surface spray coating and aluminum alloy end covers, with premium cold-rolled silicon steel sheets for the stator and rotor cores. |
3. High efficiency, low temperature rise, low noise, and long service life to accommodate various customer needs. |
4. Specifically optimized to match different centrifugal fans, ensuring that users' products maintain a competitive edge in the industry. |
This single-phase and three-phase AC/DC asynchronous fan motor is designed specifically for centrifugal fan units, delivering powerful and reliable performance. With an output range from 70W to 900W, it meets a variety of customer requirements with customizable options. Featuring a robust iron housing, high-quality low-noise bearings, and a core crafted from premium cold-rolled silicon steel, this motor ensures optimal efficiency, low energy loss, and long-lasting durability. Its specialized design is tailored for centrifugal fans, providing high efficiency, low noise, and minimal temperature rise, making it ideal for industrial applications demanding reliable, consistent performance. |
Model | Electrical Rating (V/Hz) | Power (W) | Fan Model | Air Quantity (CFM) | Static Pressure (Pa) |
YDK-70W-6P | 220V50Hz | 90 | 7-5 | 200-1015m³/h | 0-125Pa |
YDK-120W-4P | 220V50Hz | 120 | 320-1250 m³/h | 0-270Pa | |
YDK-90W-6P | 220V50Hz | 90 | 7-7 | 490-1500 m³/h | 0-130 Pa |
YDK-180W-4P | 220V50Hz | 180 | 1030-1850 m³/h | 0-265 Pa | |
YDK-200W-6P | 220V50Hz | 200 | 8-8 | 880-2300 m³/h | 0-170 Pa |
YDK-300W-4P | 220V50Hz | 300 | 1015-2500 m³/h | 0-380Pa | |
YDK-375W-6P | 220V50Hz | 375 | 9-7 | 700-2900 m³/h | 40-230Pa |
YDK-375W-4P | 220V50Hz | 375 | 670-2350 m³/h | 100-450Pa | |
YDK-375W-6P | 220V50Hz | 375 | 9-9 | 665-3065 m³/h | 90-230Pa |
YDK-450W-4P | 220V50Hz | 450 | 715-2875 m³/h | 240-480Pa | |
YDK-375W-6P | 220V50Hz | 375 | 10-8 | 1000-3000 m³/h | 100-240Pa |
YDK-550W-4P | 220V50Hz | 550 | 1500-2800 m³/h | 360-500Pa | |
YDK-450W-6P | 220V50Hz | 450 | 10-10 | 540-3550 m³/h | 150-230Pa |
YDK-550W-4P | 220V50Hz | 550 | 2050-3400 m³/h | 230-410Pa | |
YDK-750W-6P | 220V50Hz | 750 | 12-9 | 1560-4650 m³/h | 200-360Pa |
YDK-900W-4P | 220V50Hz | 900 | 1470-3150 m³/h | 470-610Pa | |
YDK-750W-6P | 220V50Hz | 750 | 12-12 | 1560-4400 m³/h | 300-350Pa |
YDK-900W-6P | 220V50Hz | 900 | 1560-5200 m³/h | 180-350Pa |
Application Scenario


Dimensions Reference:



All of our products are made with high-quality raw materials, utilizing automated winding and embedding processes in fully automated workshops, equipped with advanced production and testing equipment. These advanced facilities significantly enhance production efficiency and product quality. Coupled with sophisticated operational techniques and stringent testing procedures, they form a robust product quality assurance system. Our precision machining workshop is equipped with a large number of CNC lathes, automated specialized equipment, and various innovative fixtures, ensuring strict control over each step of the process. This dramatically boosts production efficiency and product quality while reducing manufacturing costs. The finished motor assembly workshop is equipped with specialized soundproof rooms and comprehensive electrical performance testing instruments to ensure the stability and reliability of product quality. The perfect fusion of cutting-edge technology and exquisite craftsmanship, along with process automation and intelligent machinery, allows us to meet the diverse needs of customers worldwide. |

To ensure our motors meet the required protection ratings, our company has equipped dedicated temperature and humidity control testing machines as well as salt spray testing machines.These are used to test and verify motor performance under various environmental conditions, such as cold, dry, and humid environments, as well as to assess corrosion resistance. We employ a comprehensive testing system to ensure that our motors meet all relevant testing standards. This rigorous quality control guarantees the durability and longevity of our motors. |


Single-phase capacitor run asynchronous AC motor series
At the core of China's prestigious motor manufacturing hub in Wujin Economic Development Zone, Changzhou Joinbrain Motor Co., Ltd. operates an expansive 8,000 square meter facility. Our facility is a powerhouse for the innovative development and manufacturing of a wide array of superior motors. 8,000 square meters, our proficiency extends to creating motors for central air conditioning fans, air energy systems, water pumps, evaporative air coolers, livestock ventilation setups, advanced permanent magnet brushless motors, cooling towers, and durable air compressor fans. With an impressive annual production capacity surpassing one million units, we specialize in providing bespoke motor designs, crafted to meet the unique specifications of each customer. Our prestigious recognition as a National High-Tech Enterprise and a Changzhou Science and Technology Enterprise underscores the cutting-edge quality and innovation that our products embody. Our CCC and CE certifications further attest to the excellence and dependability of our offerings.
Acknowledged as both a National High-Tech Enterprise and a Changzhou Science and Technology Enterprise, our products proudly bear CCC and CE certifications, underscoring their superior quality and trustworthiness.
Our elite team of specialists, with unmatched expertise in motor and control technologies, fuels our relentless pursuit of innovation and technical brilliance. Equipped with cutting-edge production and testing facilities, we deploy advanced processing methods and stringent quality controls, ensuring our products' stable and reliable performance.
Our core mission prioritizes integrity and quality above all. To elevate our product quality and refine processes, we adhere to a comprehensive quality management system in line with ISO9001:2015 standards, guaranteeing exceptional service from pre-sale to production, and through to post-sale.
Quality Policy:
Driven by continuous improvement, we strive to deliver products that not only meet but surpass our customers' expectations in every dimension.
Guided by our ethos of 'Innovation and Integrity,' we are dedicated to producing premium products and fostering genuine, collaborative relationships with clients across varied industries, paving the way for shared growth and success.




Q1: Are you factory?
A: Yes, we have been in designing and providing excellent motors for customers. Our factory production is all under ISO9001 quality management system.
Q2: How long you could prepare samples?
A: Normally 3 days if we have the sample in hand. If customized one, about a week around
Q3: How about batch order production?
A: Normally 15-30 days, the customized or newly developed products may take more half month.
Q4: Do you inspect the finished products?
A: Yes, we do inspection according to ISO9001 standard and ruled by our experienced QC staff.
Q5: What advantage do you have?
A: For the motors, we have long enough of 24months guarantee, and for the service, we offer 24 hours technical support and barrier-free communication.
Q6: How do you do after-sale service?
A: We will send you free spare parts to replace under warranty.
Q7: what's the delivery time?
A: It depends on the order quantity. Normally delivery time will be within 15 days after receiving payment by TT.
Q8: What is your terms of payment ?
A: Payment≤5000USD, 100% in advance. Payment≥5000USD, 30% T/T in advance , balance before shipment.