Audited Supplier
Commercial permanent magnet brushless DC fan motor
• Applications: Suitable for air source heat pumps, axial fans, fresh air systems, household air conditioners, and commercial air conditioning.
• Power Supply: AC220V/50Hz, 10 poles, with output power ranging from 100W to 750W.
• High-Quality Bearings: Equipped with low-noise NSK and TPI ball bearings for smooth operation.
• Versatile Design: Features a roll sheet structure with adjustable mounting dimensions to adapt to various environments; motor protection rating IP54.
• Advanced Control Technology: Utilizes sensorless FOC control for reduced noise and vibration, delivering high efficiency and reliability.
• Speed Control Interface: Supports a) 0-10V analog input, and b) RS485 communication interface.
• Integrated Motor Controller: Unique plug-and-play design for easy installation.
• Smooth Variable Speed: Offers constant torque, constant speed, and stable airflow.
| Model | Vot | Phase | Poles | Output | Current | Speed |
| 139BLDC-250W | AC220V | 3 | 10 | 250W | 1.05A | 1000rpm |
| 139BLDC-500W | AC220V | 3 | 10 | 500W | 2.1A | 1000rpm |
| 139BLDC-750W | AC220V | 3 | 10 | 750W | 3.3A | 950rpm |
Dimensions
| Type | L | B | C | D | E | F | G | DD | d | H |
| 139BLDC-250W | 134 | 35 | 86 | 16.5 | 12 | M8 | 39 | 190 | 12 | 10.5 |
| 139BLDC-500W | 149 | |||||||||
| 139BLDC-750W | 159 |
Power line specification
| Number | Colour | specification |
| 1 | RED | AC220V (L) |
| 2 | BLK | AC220V (N) |
| 3 | YEL/GRN | PE |
RS485 specification
| Number | Colour | specification |
| 1 | BLU | +5V |
| 2 | GRN | RS485 A |
| 3 | WHT | RS485 B |
| 4 | YEL | GND |
Definition of Speed Regulation Signal Line
| Number | Colour | specification |
| 1 | BLU | +10V |
| 2 | WHT | VSP |
| 3 | YEL | GND |
Basic installing size:
Note: All structural dimensions in the table are recommended values,
and can also be customized according to customer requirements
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. |
Changzhou Joinbrain Motor Co., Ltd. is located in the renowned motor manufacturing hub of China-Wujin Economic Development Zone in Changzhou. With a production area of over 8,000 square meters, the company specializes in developing and manufacturing motors for central air conditioning fans, air energy systems, water pumps, evaporative air coolers, livestock fans, permanent magnet brushless motors, cooling towers, and air compressor fans, among others. With an annual production capacity exceeding one million units, we can also design and manufacture custom motors to meet specific client requirements. The company has been recognized as a National High-Tech Enterprise and a Changzhou Science and Technology Enterprise, and our products are CCC and CE certified.
Our team includes experts in motor and motor control technologies, providing us with strong technical capabilities and a commitment to continuous innovation. Equipped with advanced production and testing facilities, we follow stringent processing methods and testing protocols to ensure a reliable product quality assurance system. Our product quality is stable and dependable.
Our mission is to build trust through integrity and prioritize quality. To ensure product excellence and refine quality management, we have established a quality management system, strictly following ISO9001:2015 standards in every phase of service-pre-sale, in-sale, and post-sale-to fully meet customer needs.
Quality Policy:
To continuously improve, delivering products that satisfy our customers.
Adhering to the business philosophy of "Innovation and Integrity," we strive to create high-quality products and are dedicated to building sincere partnerships for mutual growth and success with clients from all sectors.
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 18months guarantee, and for the service, we offer 24 hours technical support and barrier-free communication.
