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.
400mm EC Backward Curved centrifugal fan made especially for air handling units (AHUs) in central air conditioning systems is the PB3N400B4EL. It is appropriate for crucial situations like the introduction and distribution of external fresh air in fresh air handling units and the air filtration and recirculation units in cleanroom air handling units. The unit is measured noise level of just 73 dB(A) places it in the good range of industrial centrifugal fans with the same airflow capacity. It can function steadily in cramped areas such fan section ceilings and air conditioning equipment rooms without creating a lot of disturbance.
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 | 1580 RPM |
|
1-5 |
Input Current |
1.2 A |
|
1-6 |
Input Power |
720 W |
|
1-7 |
Air Flow |
3177.90 CFM / 5400 M³/H |
|
1-8 |
Static Pressure |
2.12 inH₂O / 530 Pa |
|
1-9 |
Acoustical Noise |
73 dB(A) |
|
1-10 |
Life Expectancy |
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 |
Ø 400 mm X 277 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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