
1. Mini Air Blower with Built-in Driver - WS4540-12-NZ03 is a compact and practical blower designed for small spaces and efficient use.
2. High Speed Performance - With a maximum speed of 45000rpm, this mini air blower has a maximum airflow of 7.2m3/h, making it ideal for tasks that require fast and efficient air flow.
3. Low Noise and Energy Efficient - Despite its high speed performance, the blower operates with a low noise level of only 62dba, making it suitable for both professional and home use. It also has a high energy efficiency due to its low current usage of only 1.6a.
4. High Pressure Capability - This mini air blower can also operate with high air pressure of up to 5kpa, making it suitable for tasks that require powerful air flow.
5. Easy to Install and Use - With its built-in driver, the blower is easy to install and use, making it an ideal choice for those looking for an effective and convenient solution to their air flow needs.
| Part no | WS4540-12-NZ03 |
| Voltage | 12VDC |
| At max airflow | |
| Speed | 45000rpm |
| Current | 1.6a |
| Air flow | 7.2m3/h |
| Noise | 62dba |
| At max air pressure | |
| Speed | 49000rpm |
| Current | 0.9a |
| Air pressure | 5kpa |
| Noise | 65dba |
| Block | 48dba |
Tips:
Overall size(L*W*H):54mm*48mm*45mm
Outlet size:φ8mm
Inlet size:φ7 mm
WS4540-12-NZ03 blower can reach maximum 7.2m3/h airflow at 0 kpa pressure and maximum 5kpa static pressure.Other load point performance refer to below P-Q curve:
| @At Free Blowing | ||
| Speed | Current | Air flow |
| 45000rpm | 1.6a | 120l/min |
| @At Working Point | |||
| Speed | Current | Air flow | Air pressure |
| 47000rpm | 1.3a | 82l/min | 3.5kpa |
| @At Static Pressure | ||
| Speed | Current | Air pressure |
| 49000rpm | 0.9a | 5.0kpa |
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.
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.