FOCUS ON EC FAN ONLY
PB3N310B48M is a 310mm DC Backward Curved centrifugal fan made especially for a variety of building openings and air curtain/door systems, including industrial plant air curtains, cold storage air curtains, entrance air curtains for shopping centers, hotels, and office buildings, cleanroom airtight door devices, and control units for coal mine and tunnel ventilation door systems. When compared to conventional AC asynchronous motors, its high-efficiency DC brushless motor achieves energy savings of 30% to 50%.
PPM provides specialized services, such as protection ratings and wiring, for door control and air curtain systems. PBM assists you in developing building opening air management systems that are more dependable, clean, and energy efficient.
General Characters
|
1-1 |
Rated Voltage |
48 VDC |
|
1-2 |
Operating Voltage |
36~57 VDC |
|
1-3 |
Rated Speed |
1750 RPM |
|
1-4 |
Input Current |
2.8 A |
|
1-5 |
Input Power |
134.4 W |
|
1-6 |
Air Flow |
1206.43 CFM / 2050 M³/H |
|
1-7 |
Static Pressure |
1.96 inH₂O / 490 Pa |
|
1-8 |
Acoustical Noise |
67 dB(A) |
|
1-9 |
Life Expectancy |
50,000 Hours (L10) At 40℃ room, humidity 15%~65%RH. |
|
1-10 |
Insulation Class |
Class B |
|
1-11 |
Motor Protection |
Locked rotor protection Polarity protection Automatic restart capability |
|
1-13 |
Speed Control |
Control input 0~10VDC / PWM |
|
1-14 |
Protection Type |
IP44 |
|
1-15 |
Signal Output |
FG (Frequency Generator) |
Mechanical Characters
|
2-1 |
Dimension |
Ø310 mm X 120 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 |
DC (AWG20 #) |
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 (48VDC)
Temperature-----Room temperature
Humidity---------65%RH
Outline Drawing
Note:
1.Connection line:DC(4×AWG20#)
2.DC: Red=Voltage Intput 48VDC, Yellow=0-10VDC/PWM, White=FG, Blue=GND;
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