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 PB3N400B2E-ZW5 400mm IP55 EC-AC Backward Curved Centrifugal Fan (Φ400×278mm) is specifically engineered for central dust collection systems, large air handling units (AHU) , industrial ventilation systems, and HVAC equipment — delivering fully sealed, high-efficiency, energy-saving performance in heavy-duty industrial ventilation scenarios requiring ultra-high airflow with waterproof and dustproof protection.
Rated at 230V AC with 1,750 RPM speed, this backward curved centrifugal fan delivers an industry-leading 6,700 m³/h of ultra-high airflow and 1,000 Pa of static pressure, ensuring stable and reliable operation in the most demanding environments.
With over 15 years of expertise in EC/AC motor and fan technologies, PBM ensures that our backward curved centrifugal fans strictly comply with CE, UL, and RoHS international safety standards. From demand analysis and model selection to prototype testing and mass production delivery, our technical team provides complete engineering support. Customization services are available across multiple dimensions.
Choose the PB3N400B2E-ZW5 for a high static pressure, low noise, IP55 EC-AC backward curved centrifugal fan for your most demanding central dust collection, AHU, and industrial ventilation applications.
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 | 1750 RPM |
|
1-5 |
Input Current |
3.1 A |
|
1-6 |
Input Power |
700 W |
|
1-7 |
Air Flow |
3942.95 CFM / 6700 M³/H |
|
1-8 |
Static Pressure |
4.00 inH2O / 1000 Pa |
|
1-9 |
Acoustical Noise |
83 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 |
IP55 |
|
1-17 |
Signal Output |
FG (Frequency Generator) |
Mechanical Characters
|
2-1 |
Dimension |
Ø404 mm X 278 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 (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(5×AWG18#)，DC(6×AWG24#)
2.AC: Brown=Live Line，Black=Null Line，Green & Yellow=Protecting Earthing,White=NC，Gray=COM;
3.DC: Red=Voltage Output +10VDC, Yellow=0-10VDC/PWM, Blue=GND, White=Tach output, Brown=RSA, Gray=RSB ;
If you have any interest in our products,please feel free to contact us & we are ready to serve you
By continuing to use the site you agree to our privacy policy Terms and Conditions.
