Focus on EC fan only

250mm Waterproof IP55 EC-AC Backward Curved Centrifugal Fan PB3N250B4E-YZ5 250mm Waterproof IP55 EC-AC Backward Curved Centrifugal Fan PB3N250B4E-YZ5

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.

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Technical Description

General Characters

1-1

Rated Voltage

380 VAC

1-2

Frequency

50/60 Hz

1-3

Operating Voltage

304~456 VAC

1-4

Rated Speed 4100 RPM

1-5

Input Current

1.17 A

1-6

Input Power

750 W

1-7

Air Flow

1765.50 CFM / 3000 M³/H

1-8

Static Pressure

5.60 inH2O / 1400 Pa

1-9

Acoustical Noise

91 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

Ø252 mm X 210.5 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

 

 

Curve and Draw

Performance Curve

 

 

Testing Condition:

Input Voltage----Operating voltage (380VAC/50Hz)

Temperature-----Room temperature

Humidity---------65%RH

 

Outline Drawing

 

Note:

1.Connection line: AC(6×AWG18#),DC(6×AWG24#)

2.AC: Brown=L1(R),Blue=L2(S),Black=L3(T),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 ;

Certificate

 

Application Scopes

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