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 PB3N225B48-RG0 225mm IP55 EC-DC Backward Curved Centrifugal Fan is designed for cleanroom systems and FFU fan filter units in semiconductor cleanrooms, pharmaceutical workshops, and biological laboratories — overcoming cumulative HEPA filter resistance with 690 Pa high static pressure and maintaining laminar flow clean environments.
Rated at 48V DC (operating range 36–57V DC) and powered by advanced brushless DC (BLDC) / EC motor technology, this backward curved centrifugal fan delivers 1100 m³/h (647.35 CFM) of airflow and 690 Pa (2.76 inH2O) of stable high static pressure at 2,400 RPM.
PBM is more than just a fan manufacturer — we are your industrial ventilation and thermal management system solution provider.
Choose the PB3N225B48-RG0 for a high static pressure, low noise, IP55 EC-DC backward curved centrifugal fan for your most demanding cleanroom and FFU applications.
General Characters
|
1-1 |
Rated Voltage |
48 VDC |
|
1-2 |
Operating Voltage |
36~57 VDC |
|
1-3 |
Rated Speed |
2400 RPM |
|
1-4 |
Input Current |
2.0 A |
|
1-5 |
Input Power |
96 W |
|
1-6 |
Air Flow |
647.35 CFM / 1100 M³/H |
|
1-7 |
Static Pressure |
2.76 inH2O / 690 Pa |
|
1-8 |
Acoustical Noise |
68 dB(A) |
|
1-9 |
Life Expectance |
50,000 Hours(L10) At 40℃ room, humidity 15%~65%RH. |
|
1-10 |
Insulation Class |
Class B |
|
1-11 |
Motor Protection |
Locked rotor protection Polarity protection Automatic restart capability |
|
1-13 |
Speed Control |
Control input 0~10VDC / PWM |
|
1-14 |
Protection Type |
IP55 |
|
1-15 |
Signal Output |
FG (Frequency Generator) |
Mechanical Characters
|
2-1 |
Dimension |
Ø225 mm X 90 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 |
Red, Blue(AWG18#)； Yellow, White(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 (48VDC)
Temperature-----Room temperature
Humidity---------65%RH
Outline Drawing
Note:
1.Connection line: Red, Blue(AWG18#)；Yellow, White(AWG24#)
2.DC: Red=Voltage Intput 48VDC, Yellow=0-10VDC/PWM, White=FG, Blue=GND;
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