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 PB3N400B4E-ZW5 400mm IP55 EC-AC Backward Curved Centrifugal Fan is a heavy-duty industrial ventilation solution specifically engineered for central dust collection systems — including dust collection in furniture manufacturing workshops, exhaust gas treatment in cement packaging production lines, and particulate suction in grain processing facilities. With 1000 Pa ultra-high static pressure, this fan reliably overcomes cumulative resistance from baghouse filters, cyclone separators, and long-distance horizontal ductwork.
This fan is also ideally suited for large air handling units (AHU) covering industrial plants and commercial building modular air conditioning systems, as well as industrial dust management and ventilation systems.
With over 15 years of expertise in EC/AC motor and fan technologies, PBM ensures that our backward curved centrifugal fans strictly comply with international safety standards. We are more than just a fan manufacturer — we are your total solution provider for industrial ventilation and dust collection systems.
Whether you are developing a central dust collection system, a large AHU, or industrial dust management equipment, the PBM technical sales team provides complete engineering support — from sample validation to mass production delivery.
General Characters
|
1-1 |
Rated Voltage |
380 VAC |
|
1-2 |
Frequency |
50/60 Hz |
|
1-3 |
Operating Voltage |
304~456 VAC |
|
1-4 |
Rated Speed | 2000 RPM |
|
1-5 |
Input Current |
1.2 A |
|
1-6 |
Input Power |
1300 W |
|
1-7 |
Air Flow |
4354.90 CFM / 7400 M³/H |
|
1-8 |
Static Pressure |
4.00 inH2O / 1000 Pa |
|
1-9 |
Acoustical Noise |
85 dB(A) |
|
1-10 |
Life Expectance |
50,000 Hours(L10) At 40℃ room, humidity 15%~65%RH. |
|
1-11 |
Insulation Class |
Class F |
|
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 |
Ø404 mm X 278 mm (see dimension drawing) |
|
2-2 |
Material of Impeller |
Aluminium sheet |
|
2-3 |
Number of Blades |
8 |
|
2-4 |
Bearing System |
NMB ball bearing |
|
2-5 |
Lead Wire |
AC (AWG18#)，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 (380VAC/50Hz)
Temperature-----Room temperature
Humidity---------65%RH
Outline Drawing
Note:
1.Connection line: AC(6×AWG18#)，DC(6×AWG24#)
2.AC: Brown=L1(R)，Blue=L2(S)，Black=L3(T)，Green & Yellow=Protecting Earthing,White=NC，Gray=COM;
3.DC: Red=Voltage Output +10VDC, Yellow=0-10VDC/PWM, Blue=GND, White=Tach output, Brown=RSA,Gray=RSB ;
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