12V 92mm Mini Centrifugal DC Brushless Blower Silent Noise 7.0kpa 55m3/h
12V Mini Centrifugal DC Blower
01 | High Airflow & Pressure
Delivers up to 40 m³/h airflow and 7.0 kPa static pressure, providing strong airflow performance for demanding applications.
02 | Excellent Working Performance
At the recommended working point, the blower delivers 20 m³/h airflow at 4.5 kPa pressure, offering a practical balance of airflow and pressure for system integration.
03 | High-Speed BLDC Motor
Powered by a high-speed three-phase brushless DC motor, reaching up to 28,500 rpm for powerful and responsive airflow performance.
04 | Compact & Lightweight Design
With a compact 85 × 70 mm design and a weight of only 270 g, the blower is easy to integrate into space-constrained equipment.
05 | Reliable Continuous Operation
The brushless motor design eliminates brush wear and supports reliable, low-maintenance operation, making it suitable for equipment requiring stable long-term airflow. Wonsmart's WS9250 family uses NMB ball bearings and is designed for applications including medical equipment, ventilators, air cushions and other airflow systems.
Product Introduction
| Part No | WS9250-12-240-S200 |
| Voltage | 12VDC |
| At Max Air flow | |
| Speed | 24,000 rpm |
| Current | 7.2A |
| Power | 180.0W |
| Air flow | 40m3/h 23CFM 8666LPM |
| Noise Level | 83[dba] |
| At Max Air Pressure | |
| Speed | 28,500rpm |
| Current | 8.0A |
| Power | 96.0W |
| Air pressure | 7.0Kpa |
| Block Noise Level | 67[dba] |
Drawing
Blower Performance
WS9250-12-240-S200 blower can reach maximum 55m3/h airflow at 0 kpa pressure and maximum 7.0kpa static pressure.Other load point performance refer to below P-Q curve:
| Model:WS9250-12-240-S200 | Voltage:12VDC | ||
| Air pressure(kPa) | Air flow(m3/h) | Speed (r/min) | Power（W） |
| 0 | 40 | 24,000 | 180.0 |
| 4.5（Working point） | 20 | 25,000 | 144.0 |
| 7.0 | 0 | 28,000 | 96.0 |
DC Brushless Blower Advantage
Wonsmart BLDC centrifugal blowers combine high efficiency, long service life, precise speed control, and compact design to deliver reliable airflow for demanding applications. Unlike traditional brushed motors, BLDC motors eliminate mechanical brushes, reducing wear and maintenance while enabling smooth, high-speed operation. Electronic commutation also allows flexible speed control and fast response to changing airflow requirements, making BLDC blowers an ideal choice for medical equipment, ventilation systems, electronics cooling, air sampling, and industrial applications.
FAQ
Q1: Is Wonsmart a manufacturer or a trading company?
A: Wonsmart is a professional manufacturer specializing in BLDC centrifugal blowers and motors. We have our own production facility in Ningbo, China, with automated production and testing equipment to ensure stable quality and reliable performance.
Q2: What is the MOQ for Wonsmart blowers?
A: Our standard MOQ is 1 piece. Customers can purchase samples for testing and evaluation before placing larger production orders.
Q3: Do I need a driver for the Wonsmart blower?
A: Most Wonsmart BLDC blowers require a matched external driver to operate. Depending on the model, speed can be controlled by PWM, analog voltage, or a potentiometer. Some models have a built-in driver and can be connected directly to a DC power supply.
Q4: How can I choose the right Wonsmart blower for my application?
A: Please provide your required airflow, air pressure, voltage, installation space, noise requirement, and application. Our technical team can recommend the most suitable blower and driver combination according to your needs.
Q5: Can Wonsmart provide customized solutions?
A: Yes. Wonsmart supports customized solutions, including special performance requirements, voltage, wiring length, connectors, driver functions, and other project-specific modifications. Please contact us with your detailed requirements for evaluation.
The speed of a DC motor can be increased by field weakening. Reducing the field strength is done by inserting resistance in series with a shunt field, or inserting resistances around a series-connected field winding, to reduce current in the field winding. When the field is weakened, the back-emf reduces, so a larger current flows through the armature winding and this increases the speed. Field weakening is not used on its own but in combination with other methods, such as series-parallel control.
The speed of a DC motor can be increased by field weakening. Reducing the field strength is done by inserting resistance in series with a shunt field, or inserting resistances around a series-connected field winding, to reduce current in the field winding. When the field is weakened, the back-emf reduces, so a larger current flows through the armature winding and this increases the speed. Field weakening is not used on its own but in combination with other methods, such as series-parallel control.
