LONGWELL 72mm EC Backward Curved Centrifugal Fan, Industrial Centrifugal Blower, 230V IP44, 1421 m³/h Airflow, 639 Pa Static Pressure – LWBE3G250-072PS-17

Air Flow 1421 m³/h
Static Pressure 639 Pa
Inlet Ø 72 mm
Voltage 230 V

Control input 0-10VDC/PWM,Tach output,Locked-Rotor protection,Reverse Polarity,Over-voltage protection,Soft Start Protection.

Specifications
Noise
77 dB(A)
Protection
IP44
Motor
EC
Speed
2760 RPM
Power Input
140 W
Impeller
PA6+GF
Frequency
50/60
Ambient Temp
-25℃~+60℃
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Description

Technical Description

Impeller Material PA6+GF
Mode of Operation S1
Protection Class IP44
Insulation Class F
Bearing Maintenance-free ball bearings
Protection Control input 0-10VDC/PWM,Tach output,Locked-Rotor protection,Reverse Polarity,Over-voltage protection,Soft Start Protection.

Nominal data

Type of Voltage EC
Diameter of Rotor 72mm
Nominal Voltage 230V
Frequency 50/60Hz
Current 1.1A
Power Input 140W
Speed 2760RPM
Static Pressure(Max) 639Pa
Air Flow(Max) 1421m³/h
Noise 77dB(A)
Min.ambient Temp -25℃
Max.ambient Temp 60℃

Curves

250-072PS-17 Backward Curved Centrifugal Fans Curve

Drawing

250-072PS-17 Backward Curved Centrifugal Fans drawing

Download

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Additional information

Insulation Class

F

type

EC

speed

2760.0

Bearing

Maintenance-free ball bearings

frequency

50/60

current

1.1

sound power

140.0

noise

77.0

Min.ambient Temp Max.ambient Temp

-25℃~+60℃

sound pressure

639.0

airflow

1421.0

ac dc ec

EC

Impeller Material

PA6+GF

voltage

230.0

Protection Class

IP44

Mode of Operation

S1

dimensions

72.0

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