Product Introduction
Acoustic performance is a key focus in the design of EC centrifugal air mover. Multiple optimization strategies are applied to achieve quiet operation. Backward-curved blades reduce airflow impact on the blades, minimizing vortex noise. The brushless EC motor eliminates mechanical noise generated by carbon brush friction.
The sealed housing structure effectively prevents internal noise from spreading outward, while vibration-damping pads at the base reduce operational vibration.
As a result, operating noise can be as low as 45 dB, significantly quieter than traditional centrifugal fans. Even at the rated speed of 2900 RPM, noise levels can remain below 83 dB, ensuring both ventilation efficiency and user comfort.
EC centrifugal air mover technical parameters:
|
Model No. |
Rated |
Operation Voltage |
Frequency |
Rated |
Rated Power |
Rated |
Air Flow |
Air |
Noise |
|
VAC |
VAC |
Hz |
A |
W |
RPM |
m3/h |
Pa |
dBA |
|
|
EN-B280-H093-E115-B01 |
115 |
90~135 |
50/60 |
2.40 |
158 |
1950 |
2510 |
435 |
68 |
|
EN-B280-H093-E230-B01 |
230 |
184~274 |
50/60 |
1.20 |
158 |
1950 |
2510 |
435 |
68 |
Outline Drawing：
Performance Curve
Connection
|
DC Wire |
AC Wire |
||
|
Color |
Function |
Color |
Function |
|
Red |
+10VDC |
Brown |
L |
|
Blue |
GND |
Blue |
N |
|
Yellow |
0~10VDC/PWM |
Green/Yellow |
PE |
|
White |
FG |
||
Smart maintenance is another major advantage of EC centrifugal air mover. The fan integrates multiple sensors to monitor motor temperature, current, and rotational speed in real time. If abnormal conditions occur, the system automatically activates protection mechanisms and sends fault signals for quick troubleshooting.
Through the RS485 communication interface, multiple fans can be centrally controlled, allowing unified speed adjustment and operation monitoring.
Remote debugging is also supported, enabling technicians to adjust fan parameters via computers or mobile devices, greatly improving maintenance efficiency while reducing operational costs.
Our factory
FAQ
1. Are EC centrifugal fans suitable for projects with strict documentation requirements?
EC fans can be supplied with technical documentation. Datasheets and wiring information are typically available. Certification documents may be provided if applicable. Documentation supports compliance and project approval.
2. Can EC fans be used in government or public projects?
EC fans are suitable for government or public projects when specifications are met. Efficiency and reliability support public infrastructure needs. Documentation and compliance are important. Requirements should be reviewed during tender preparation.
3. Can EC centrifugal fans be used in North American projects?
EC centrifugal fans can be supplied for North American projects with suitable specifications. Voltage and electrical requirements must match local standards. Certification needs depend on application and project scope. Requirements should be clarified during selection.
4. What role does grounding play in EC fan installation?
Proper grounding is essential for electrical safety. It protects equipment and personnel. Grounding also supports stable controller operation. Installation must follow electrical standards.
5. Can EC centrifugal fans be used with backup power systems?
EC fans can operate with backup power systems if voltage and capacity are sufficient. Power quality should meet specifications. Backup systems help ensure continuous ventilation. Compatibility should be verified in advance.