0-10VDC/PWM DC 280mm Backward Curved Ceiling Centrifugal Fan for Air Conditioner

Product Details
Customization: Available
Material: Galvanised Sheet Steel
Blade Material: Galvanised Sheet
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  • 0-10VDC/PWM DC 280mm Backward Curved Ceiling Centrifugal Fan for Air Conditioner
  • 0-10VDC/PWM DC 280mm Backward Curved Ceiling Centrifugal Fan for Air Conditioner
  • 0-10VDC/PWM DC 280mm Backward Curved Ceiling Centrifugal Fan for Air Conditioner
  • 0-10VDC/PWM DC 280mm Backward Curved Ceiling Centrifugal Fan for Air Conditioner
  • 0-10VDC/PWM DC 280mm Backward Curved Ceiling Centrifugal Fan for Air Conditioner
  • 0-10VDC/PWM DC 280mm Backward Curved Ceiling Centrifugal Fan for Air Conditioner
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  • Overview
  • Product Description
  • Application Scopes
  • Certifications
  • Company Profile
  • Packing Detail
  • FAQ
Overview

Basic Info.

Model NO.
PB3N280B48H
Electric Current Type
DC
Mounting
Free Standing
Certification
RoHS, CE
Technical Features
Control Input 0-10VDC/PWM, Tach Output
Operating Voltage
36~57 VDC
Rated Speed
2200 Rpm
Input Current
4.5 a
Input Power
216 W
Air Flow
1353.55 Cfm / 2300 M3/H
Static Pressure
2.60 Inh2o / 650 PA
Acoustical Noise
72 dB(a)
Insulation Class
Class B
Speed Control
Control Input 0~10VDC / PWM
Dimension
280mm X 150mm
Material of Impeller
Galvanized Metal Shell
Number of Blades
11
Bearing System
NMB Ball Bearing
Protection Type
IP44
Transport Package
Standard
Specification
CE
Trademark
PBM
Origin
Suzhou
HS Code
84145930
Production Capacity
50, 000PCS/Year

Packaging & Delivery

Package Size
34.00cm * 34.00cm * 24.00cm
Package Gross Weight
3.700kg

Product Description

0-10VDC/PWM DC 280mm Backward Curved Ceiling Centrifugal Fan for Air Conditioner
Model:PB3N280B48H
0-10VDC/PWM DC 280mm Backward Curved Ceiling Centrifugal Fan for Air Conditioner
PBM Motor and Fan is a China mainland manufacturer and EC technology consulting company offering an extensive range of EC(Electronically Commutated) motors, fans and solutions, investing in the latest developing, manufacturing and technical equipment with in-depth processes & procedures. Our main products are EC fans, including EC axial fans, EC centrifugal fans and EC blowers. We do both AC and DC current type. And EC Motor is the core technology of our products.
Eletronically Commutated Motors(EC Motors)also known as Brushless DC Motors(BLDC) are synchronous electric motors powered by direct-current(DC) electricity and having electronic commutation systems,rather than mechanical commutators and brushes.The current-to-torque and voltage-to-speed relationships of BLDC motors are linear.
PBM fans are widely used in many fields. For example, axial fan for telecom, backward curved centrifugal fan for air exchanger,(inline duct fan)hydroponic products and FFU, forward curved centrifugal fan for air purifier and air conditioning,blower for kitchen.
Product Description

1.General Characters

Rated Voltage 48VDC
Operating Voltage 36~57 VDC
Rated Speed 2200 RPM
Input Current 4.5 A
Input Power 216 W
Air Flow 1353.55 CFM / 2300 m3/H
Static Pressure 2.60 inH2O / 650 Pa
Acoustical Noise 72 dB(A)
Life Expectance 50,000 Hours(L10)
At 40ºC room, humidity 15%~65%RH.
Insulation Class Class B
Motor Protection Locked rotor protection
Polarity protection
Automatic restart capability
Speed Control Control input 0~10VDC / PWM
Protection Type IP44
Signal Output FG (Frequency Generator)

2. Mechanical Characters
Dimension Ø280mm X 150mm (see dimension drawing)
Material of Impeller Galvanized Metal Shell
Number of Blades 11
Bearing System NMB ball bearing
Lead Wire AC(AWG20#),DC(AWG22 #)

3.Environmental Characters
Operating Temperature -25ºC to 60ºC
Storage Temperature -40ºC to 75ºC
Operating Humidity 5% to 90% RH
Storage Humidity 5% to 95% RH

4.Performance Curve
0-10VDC/PWM DC 280mm Backward Curved Ceiling Centrifugal Fan for Air ConditionerTesting Condition:
Input Voltage----Operating voltage (48VDC)
Temperature-----Room temperature
Humidity---------65%RH


5.Outline Drawing
0-10VDC/PWM DC 280mm Backward Curved Ceiling Centrifugal Fan for Air ConditionerNote:
1.Connection line:DC(4×AWG22#)

2.DC: Red=Voltage Intput 48VDC, Yellow=0-10VDC/PWM, White=FG, Blue=GND;
Application Scopes

 

0-10VDC/PWM DC 280mm Backward Curved Ceiling Centrifugal Fan for Air Conditioner
Certifications

 

0-10VDC/PWM DC 280mm Backward Curved Ceiling Centrifugal Fan for Air Conditioner
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Company Profile

 

0-10VDC/PWM DC 280mm Backward Curved Ceiling Centrifugal Fan for Air Conditioner0-10VDC/PWM DC 280mm Backward Curved Ceiling Centrifugal Fan for Air Conditioner0-10VDC/PWM DC 280mm Backward Curved Ceiling Centrifugal Fan for Air Conditioner0-10VDC/PWM DC 280mm Backward Curved Ceiling Centrifugal Fan for Air Conditioner
Packing Detail

 

0-10VDC/PWM DC 280mm Backward Curved Ceiling Centrifugal Fan for Air Conditioner
Locked-rotor Protection: Over-current limiting circuit protects motor from damage at least for 72 hours of locked rotor condition at rated voltage.
Maximum Current under Locked Rotor:A, Typical inrush current when the motor is trying to re-start under locked rotor conditions is 2~4 times the normal running current reoccurring and for 16~20% of restarting cycle period.B, If he CL function is used this restarting inrush current is about the same as the normal running current.
Reverse Polarity Protection:No damage if the positive and negative leads are reversed under maximum operation voltage conditions.
Over Voltage Protection:The circuit will be shut down automatically when input voltage over 60VDC. And re-started when Voltage down to 60VDC below.
Soft Start:In 5 seconds after power on and speed control voltage gets to 1.5V or PWM duty cycle at 10% above.
FAQ

FAQ

Frequently Asked Question
Q: What are electronically commutated motors?
Electronically Commutated motors are brushless DC motors where the direction of the electric current is switched using electronic controllers. As the switching of the current is technically known as 'commutating', brushless motors are also called 'electronically commutated' motors. EC motors provide the advantages of brushed DC motors in terms of the ability to have variable speed control, but without the drawbacks of brushes.
Q: What are the advantages of EC motors?
EC motors are very high efficiency electric motors (80%) and maintain a high efficiency level at part speed. This means that in most cases they use less than one third to half of the electricity used by                    traditional induction motors, which in turn translates into lower operating costs and short payback periods. As EC motors have a higher efficiency this ensures that the motors run cooler in application which ensures a longer life for the motor.
In terms of speed control and features, because the motor's operation is controlled by software, EC motors allow customers to optimize and integrate the motor, fan and controller with the application, and to include features like data communications, constant volume control, variable speed.
Features & Advantages
Q: What about cost?
The initial outlay for an EC motor is more expensive than the traditional induction / shaded pole motors and this is mainly due to the electronic components required to drive the commutation. In recent years the cost of electronic components has reduced dramatically as volumes increase.
The huge energy savings provided by EC motors, mean equally large savings in operating costs, which in turn translate in payback periods as short as a few months combined with a longer life expectancy.
In our case, together with high energy savings, low use of raw material, low part count and simple electronics, have allowed us to make our motor price very competitive.
Q: How are EC motors 'sustainable'?
The huge energy savings provided by our EC motors directly translate into large carbon emissions savings.
By using an EC motors in your application we are able to assist our customers in dramatically reducing the air pollution (CO2) generated by their applications. This is due to the motors high efficency & low energy costs which helps to preserve the world for a 'greener' future.
EC Motors are designed & manufactured using 70% less copper and 80% less steel than traditional induction and shaded pole motors which has a dramatic reduction in environmental impact in producing these raw material components.
services to the clients.
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