Focus on EC fan only

280mm EC-AC Backward Curved Centrifugal Fan with Bracket PK3N280B4EQM 280mm EC-AC Backward Curved Centrifugal Fan with Bracket PK3N280B4EQM

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

3500 RPM

1-5

Input Current

1.9 A

1-6

Input Power

1100 W

1-7

Air Flow

2177.45 CFM / 3700 m3/H

1-8

Static Pressure

5.12 inH2O / 1280 Pa

1-9

Acoustical Noise

89 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

IP44

1-17

Signal Output

FG (Frequency Generator)

 

Mechanical Characters

2-1

Dimension

400mm X 400mm X 328mm(see dimension drawing)

2-2

Material of Impeller

Metal

2-3

Number of Blades

8

2-4

Bearing System

NMB ball bearing

2-5

Lead Wire

AC(AWG20#),DC(AWG22 #)

 

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(3×AWG18#)DC(4×AWG22#)

2.AC: Blue=L1Brown=L2Black=L3Green & Yellow=Protecting EarthingWhite=NCGray=COM;

3.DC: Red=Voltage Output +10VDC, Yellow=0-10VDC/PWM, White=5 Pulse/R, Blue=GND, Brown=485 RSA, Gray=485 RSB

Certificate

 

Application Scopes

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