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.
This PB3N500B4EM 500mm EC-AC Backward Curved Centrifugal Fan is a high-performance air movement solution engineered for demanding industrial environments. As a versatile industrial centrifugal fan, it combines the reliability of AC input with the efficiency of EC technology, delivering exceptional airflow at 4708.00 CFM (8000 m³/h) while maintaining a relatively low operational noise level of just 71 dB(A).
Featuring a precision-engineered backward curve impeller design, this centrifugal fan achieves optimal aerodynamic efficiency, reducing energy consumption without compromising on static pressure capabilities. The unit operates at a Rated Speed of 1100 RPM with a Rated Voltage of 380 VAC, making it suitable for integration into existing industrial control systems. The robust 500mm diameter construction ensures durability in continuous-duty applications, from HVAC systems to industrial ventilation processes.Ideal for applications requiring reliable centrifugal fans and blowers, this model offers the perfect balance of high-volume airflow, energy efficiency, and acoustic performance. Whether used in factory ventilation, agricultural facilities, or commercial air handling units, the PB3N500B4EM delivers consistent, dependable operation backed by advanced motor technology and robust mechanical design.
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 | 1100 RPM |
|
1-5 |
Input Current |
1.46 A |
|
1-6 |
Input Power |
870 W |
|
1-7 |
Air Flow |
4708.00 CFM / 8000 M³/H |
|
1-8 |
Static Pressure |
1.80 inH2O / 450 Pa |
|
1-9 |
Acoustical Noise |
71 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 |
IP44 |
|
1-17 |
Signal Output |
FG (Frequency Generator) |
Mechanical Characters
|
2-1 |
Dimension |
Ø500 mm X 326 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 (AWG22 #) |
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(3×AWG18#)，DC(4×AWG22#)
2.AC: Brown=L1(R)，Blue=L2(S)，Black=L3(T)，Green & Yellow=Protecting Earthing;
3.DC: Red=Voltage Output +10VDC, Yellow=0-10VDC/PWM, White=FG, Blue=GND;
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