FOCUS ON EC FAN ONLY
PBM FOCUS ON EC FAN ONLY. Certificate: CE,UL,ROHS; Supply Ability: 100,000 pcs per year; MOQ: 1~100 pcs based on EXW price; 100 pcs above based on FOB price.
The PB3N250B2E-RZ0 250mm IP55 EC-AC Backward Curved Centrifugal Fan (Φ250×99mm) is specifically designed for air handling units (AHU), fan filter units (FFU), cleanroom air conditioning systems, and fresh air ventilation equipment — delivering fully sealed, high-efficiency, energy-saving performance in demanding ventilation scenarios requiring high static pressure with waterproof and dustproof protection.
Rated at 230V AC with 2,100 RPM speed, this backward curved centrifugal fan delivers 1,150 m³/h of airflow and 610 Pa of high static pressure, ensuring stable and reliable operation in critical environments.
As a solution provider specializing in EC/AC motor and fan technologies for over 15 years, PBM ensures that the PB3N250B2E-RZ0 strictly complies with CE, UL, and RoHS international safety standards. With an annual supply capacity of 100,000 units and EXW MOQ as low as 1–100 pcs (FOB pricing available for orders above 100 pcs), we are ready to support your finished products in entering the European and North American markets.
Choose the PB3N250B2E-RZ0 for a high static pressure, low noise, IP55 EC-AC backward curved centrifugal fan for your most demanding AHU, FFU, and cleanroom applications.
General Characters
|
1-1 |
Rated Voltage |
230 VAC |
|
1-2 |
Frequency |
50/60 Hz |
|
1-3 |
Operating Voltage |
184~270 VAC |
|
1-4 |
Rated Speed | 2100 RPM |
|
1-5 |
Input Current |
0.65 A |
|
1-6 |
Input Power |
85 W |
|
1-7 |
Air Flow |
676.78 CFM / 1150 M³/H |
|
1-8 |
Static Pressure |
2.44 inH2O / 610 Pa |
|
1-9 |
Acoustical Noise |
62 dB(A) |
|
1-10 |
Life Expectance |
50,000 Hours(L10) At 40℃ room, humidity 15%~65%RH. |
|
1-11 |
Insulation Class |
Class B |
|
1-13 |
Motor Protection |
Locked rotor protection Polarity protection Automatic restart capability |
|
1-14 |
Speed Control |
Control input 0~10VDC / PWM |
|
1-15 |
Protection Type |
IP55 |
|
1-17 |
Signal Output |
FG (Frequency Generator) |
Mechanical Characters
|
2-1 |
Dimension |
Ø250 mm X 99 mm (see dimension drawing) |
|
2-2 |
Material of Impeller |
PA66+GF |
|
2-3 |
Number of Blades |
7 |
|
2-4 |
Bearing System |
NMB ball bearing |
|
2-5 |
Lead Wire |
AC (AWG20#)，DC (AWG24#) |
Environmental Characters
|
3-1 |
Operating Temperature |
-25℃ to 60℃ |
|
3-2 |
Storage Temperature |
-40℃ to 75℃ |
|
3-3 |
Operating Humidity |
5% to 90% RH |
|
3-4 |
Storage Humidity |
5% to 95% RH |
Performance Curve
Testing Condition:
Input Voltage----Operating voltage (230VAC/50Hz)
Temperature-----Room temperature
Humidity---------65%RH
Outline Drawing
Note:
1.Connection line: AC(3×AWG20#)，DC(4×AWG24#)
2.AC: Brown=Live Line，Blue=Null Line，Green & Yellow=Protecting Earthing;
3.DC: Red=Voltage Output +10VDC, Yellow=0-10VDC/PWM, White=FG, Blue=GND;
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