Product Introduction
The ECNITY EC centrifugal blower fans feature a wide high-efficiency operating range and maintain high efficiency even under low-load conditions. Energy consumption is more than 30% lower than that of traditional fans. With low vibration and low noise, they are ideal for noise-sensitive environments and are widely used in fresh air systems, air handling units, and similar applications, combining energy efficiency with high reliability.
EC centrifugal blower fan 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-F133-H042-E115-A01 |
115 |
90~135 |
50/60 |
1.00 |
65 |
2350 |
280 |
350 |
60 |
|
EN-S133-H042-E115-A01 |
|||||||||
|
EN-F133-H042-E230-A01 |
230 |
184~274 |
50/60 |
0.50 |
65 |
2350 |
280 |
350 |
60 |
|
EN-S133-H042-E230-A01 |
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 |
||
Key components of EC centrifugal blower fan include an electronic control module, permanent magnet synchronous motor, single-inlet impeller, and volute housing. High integration eliminates the need for additional electrical accessories, simplifying installation and maintenance.
The electronic control module enables precise regulation of speed, airflow, and pressure, supporting 0–10V / 4–20mA analog control, PWM control, and RS485 communication, making it suitable for intelligent building automation systems.
The single-inlet impeller features an optimized airfoil design to reduce airflow resistance and improve efficiency. The forward-curved volute structure efficiently collects airflow discharged from the impeller, enhancing pressure output stability. The motor adopts a brushless, non-mechanical commutation design, minimizing friction losses and achieving a service life exceeding 50,000 hours with minimal maintenance requirements.
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FAQ
1. Are EC centrifugal fans suitable for exhaust air systems?
EC centrifugal fans are suitable for exhaust air systems. They provide consistent airflow even with duct resistance. Speed control helps adapt to varying exhaust demand. Proper housing selection is important for exhaust applications.
2. Are EC centrifugal fans suitable for commercial buildings?
EC centrifugal fans are suitable for commercial building ventilation. They support variable occupancy and load conditions. Energy efficiency helps reduce operating costs. They are commonly used in offices and public buildings.
3. Are EC centrifugal fans suitable for modular ventilation units?
EC centrifugal fans are commonly used in modular ventilation units. Integrated control supports standardized designs. Compact size simplifies assembly. Modular systems benefit from flexible speed control.