FOCUS ON EC FAN ONLY
In air handling units (AHUs), the PB3N355B2EL is a commonly used core power module for supply and return air. Stable airflow production and dispersion throughout the whole duct network are ensured by its medium-to-high static pressure output of 740 Pa, which readily overcomes the accumulated system resistance from diverse components such pre-/medium efficiency filters, cooling coils, heaters, and silencers. It is the perfect option for meeting the essential airflow needs of medium to large commercial and industrial AHUs because of its small Ø355mm × 233mm design, which makes embedded installation within a variety of AHU enclosures easier.
PBM provides a number of customization services, including specific communication protocols, protection ratings, and installation structure modifications, to satisfy the various requirements of AHU and commercial HVAC equipment manufacturers. In addition to manufacturing fans, PBM offers commercial HVAC airflow systems, including AHUs.
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 | 1930 RPM |
|
1-5 |
Input Current |
2.02 A |
|
1-6 |
Input Power |
467 W |
|
1-7 |
Air Flow |
2189.22 CFM / 3720 M³/H |
|
1-8 |
Static Pressure |
2.96 inH₂O / 740 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 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 |
IP44 |
|
1-17 |
Signal Output |
FG (Frequency Generator) |
Mechanical Characters
|
2-1 |
Dimension |
Ø355 mm X 233 mm (see dimension drawing) |
|
2-2 |
Material of Impeller |
Aluminium Sheet |
|
2-3 |
Number of Blades |
6 |
|
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 (230VAC/50Hz)
Temperature-----Room temperature
Humidity---------65%RH
Outline Drawing
Note:
1.Connection line: AC(3×AWG18#)，DC(4×AWG22#)
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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