Product Introduction
The ECNITY EC forward curved blades fans support 220V single-phase, 380V three-phase, and wide-range voltage inputs (100–440V), automatically adapting to grid fluctuations within ±15%. Some models also support 48V / 60V DC, enhancing versatility for renewable or outdoor applications.
EC forward curved blades 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-F140-H059-E115-A01 |
115 |
90~135 |
50/60 |
1.80 |
110 |
2150 |
480 |
400 |
65 |
|
EN-S140-H059-E115-A01 |
|||||||||
|
EN-F140-H059-E230-A01 |
230 |
184~274 |
50/60 |
0.90 |
110 |
2150 |
480 |
400 |
65 |
|
EN-S140-H059-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 |
||
The ECNITY EC forward curved blades fan starts reliably at temperatures as low as -20°C without preheating, achieving a 100% start success rate and rapidly reaching rated speed and pressure. Low-temperature-resistant windings and adaptive startup algorithms protect components and ensure reliable operation in cold climates and outdoor environments.
The ECNITY EC forward curved blades fan supports both on-site and remote calibration. Airflow, static pressure, and speed parameters can be precisely calibrated via onboard controls or remote terminals with accuracy up to ±2%, without disassembly. Calibration typically requires only 5–10 minutes, and calibration records are automatically stored for traceability.
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FAQ
1. When should EC fans be preferred over AC fans?
EC fans are preferred when energy efficiency and variable control are important. They are suitable for modern HVAC and industrial systems. Long-term operating cost is a key factor. Application needs determine the best choice.
2. Are EC fans suitable for low-speed continuous operation?
EC fans perform well at low speeds. Efficiency remains stable at partial load. Smooth operation reduces mechanical stress. This supports continuous low-speed operation.
3. Can EC centrifugal fans handle future system upgrades?
EC fans support future upgrades due to flexible control. System parameters can be adjusted without hardware changes. This improves system adaptability. EC fans are suitable for scalable designs.