
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-RZ0 175mm IP55 EC-AC Backward Curved Centrifugal Fan (Φ175×68.5mm) is specifically engineered for medical rehabilitation and physiotherapy equipment cooling systems, cleanroom FFU systems, and fresh air ventilation equipment — delivering fully sealed, high-efficiency, energy-saving performance in demanding ventilation scenarios requiring high static pressure with waterproof and dustproof protection.
Rated at 230V AC with 4,050 RPM speed, this backward curved centrifugal fan delivers 710 m³/h of stable airflow and 550 Pa of high static pressure, ensuring reliable operation in critical environments.
Whether you are developing cooling systems for medical rehabilitation equipment, cleanroom FFU systems, fresh air ventilation devices, or industrial ventilation systems, 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 | 4050 RPM |
|
1-5 |
Input Current |
0.6 A |
|
1-6 |
Input Power |
72 W |
|
1-7 |
Air Flow |
417.84 CFM / 710 M³/H |
|
1-8 |
Static Pressure |
2.20 inH2O / 550 Pa |
|
1-9 |
Acoustical Noise |
72 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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