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 PB3N175B2E-SZ0 175mm IP55 EC-AC Backward Curved Centrifugal Fan is specifically engineered for fresh air systems and energy recovery ventilators (commercial and residential fresh air units, ceiling-mounted ERV), air handling units (AHU) and modular air conditioning systems (covering central air conditioning, industrial plant and commercial building ventilation), as well as industrial ventilation and dust collection systems (factory exhaust, material drying air supply) — delivering high-efficiency AC-driven performance in demanding industrial ventilation scenarios requiring ultra-high static pressure with IP55 protection.
PBM is more than just a fan manufacturer — we are your total solution provider for industrial ventilation and thermal management systems. Whether you are developing a fresh air system, an air handling unit (AHU), or industrial ventilation equipment, the PBM technical sales team provides complete engineering support — from sample validation to mass production delivery.
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 | 4600 RPM |
|
1-5 |
Input Current |
0.75 A |
|
1-6 |
Input Power |
110 W |
|
1-7 |
Air Flow |
411.95 CFM / 700 M³/H |
|
1-8 |
Static Pressure |
3.20 inH2O / 800 Pa |
|
1-9 |
Acoustical Noise |
74 dB(A) |
|
1-10 |
Life Expectance |
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 |
IP55 |
|
1-17 |
Signal Output |
FG (Frequency Generator) |
Mechanical Characters
|
2-1 |
Dimension |
Ø175 mm X 68.5 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 |
AC (AWG20#)，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 (230VAC/50Hz)
Temperature-----Room temperature
Humidity---------65%RH
Outline Drawing
Note:
1.Connection line: AC(3×AWG20#)，DC(4×AWG24#)
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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