Permanent Magnet Synchronous Motor. Key specification: 220v/380v, air flow 21000m³/h. Ships factory-direct with the manufacturer’s data sheet. Blade Material: Aluminum and magnesium alloy. Speed: 756rpm.
Permanent magnet synchronous motor — 220v/380v, air flow 21000m³/h. The complete factory specification follows. Made by Keystone Ventilation Engineering (HK) Limited (1 year on the platform, typical reply ≤2h). Send your target quantity and destination for a firm quotation with current lead times.
Key Features of This Permanent Magnet Synchronous Motor
Model Number: HDB-120P
Voltage: 220v/380v
Air Flow: 21000m³/h
Blade Material: Aluminum and magnesium alloy
Speed: 756rpm
Max Rotating Speed: 756 r/min
Technical Specifications
Mounting
Wall Fan
Voltage
220v/380v
Speed
756rpm
Blade Material
Aluminum and magnesium alloy
Warranty
3 Years
After-Sales Service Provided
Video Technical Support
Customized Support
OEM
Core Components
Motor
Place Of Origin
Fujian, China
Brand Name
FJDiamond
Model Number
HDB-120P
Fan Diameter
1m
Max Rotating Speed
756 r/min
Air Flow
21000m³/h
Protection
IP66
Max Distance
20m
Number Of Blade
5PCS
Noise
≤45db
Motor
0.75KW permanent magnet motor
Type
adjustable tilt angle,5. up and 20 5. down adjusted
Selling Units
Single item
Product Details
Highlights at a glance
Optimized for space-saving efficiency and high-performance cooling, our PMSM variable frequency wall-mounted fans are the ideal ventilation solution for an extensive array of restricted or obstacle-prone environments, including narrow industrial workshops, crowded assembly lines, precision tool rooms, and busy packaging areas where floor space is at a premium. These energy-saving units are highly effective in commercial settings such as boutique gyms, yoga studios, corridors, and retail showrooms, as well as hospitality zones including professional kitchens, laundry rooms, and covered outdoor patios or terraces. Additionally, they provide silent yet powerful airflow for public infrastructure like metro stations, hospital waiting rooms, school hallways, and libraries, while serving as a vital cooling asset in agricultural applications such as high-density livestock barns, milking parlors, and stables. Perfect for loading bays, shipping containers, and narrow warehouse aisles, these wall fans ensure superior air circulation and heat relief in any architectural layout where ceiling or floor mounting is not feasible.
About this supplier
Since 2018, we have specialized in manufacturing and exporting HVLS fans, negative-pressure fans, and positive-pressure fans. Our products are shipped to around 100 countries and widely used in factories, farms, gymnasiums, and similar venues. Full Certifications: We hold ETL (North America), CE (Europe), KC (Korea), SAA (Australia), and EAC (Russia) – meeting major global market standards. Energy Efficiency & Smart Control: Our motors achieve top-tier energy efficiency (Level 1). Integrated smart controls further reduce operating costs. Premium Market Focus: We serve mid-to-high-end clients and provide customized ventilation solutions. Flexible Shipping Terms: Beyond standard FOB and CIF, we offer door-to-door delivery. Deep Customization: Products can be tailored to specific client requirements. 24-Hour After-Sales Service: We respond to any request within 24 hours to ensure customer satisfaction. With a broad product range, global experience, and commitment to quality, we deliver reliable, efficient, and intelligent airflow solutions.
Company overview
Factory profile
Production workflow
Packaging & shipping specifications
Trade show participation
FAQs
how many years of experience you have in this business / how old is the company?
We started to design and sell hvls fans with PMSM motor from 2018 years. Our factory was founded in 1998 years.
how many workers?
350 workers
production capacity?
30000 units per month
What is general lead time?
5-7 working days
where is the company located?
Ningde city, Fujian Province,China
what is your after sales policy and warranty?
For the motor, the warranty time is 3 years, for the controller , the warranty time is 18 months. Beyond warranty time, we supply spare parts with best price.
Do you have any technical support?
On line technical service.If necessary, our technicians will go to the installation site to provide support. We supply installation manual and installation video for products
Ordering and Pricing
Minimum order quantity: 1 set
Volume pricing:
1–19 set: US $520 / set
20–49 set: US $495 / set
50+ set: US $480 / set
Ships from: HK
Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this permanent magnet synchronous motor?
The standard minimum order quantity is 1 set. Trial orders can usually be arranged for buyers evaluating the product before a full production run.
What warranty is provided?
The manufacturer provides a 3 Years warranty. Spare parts and technical support remain available after the warranty period.
Can the permanent magnet synchronous motor be supplied for my local voltage?
The standard configuration is 220v/380v. Alternative voltage and frequency builds are available when specified at the time of order.
Do you accept OEM or custom branding?
Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying order volumes. Send your artwork and technical requirements with your enquiry.
How long does production and delivery take?
In-stock configurations typically ship within 7–15 days. Customised or large-volume orders are usually produced in 25–35 days, confirmed on order.
Specifications, certifications and images on this page are as published by the manufacturer and have not been
independently tested or verified by HVACR Nexus. Confirm the full specification and the approvals valid in your
market in writing before ordering.
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