280X280X80mm China High Efficiency DC Ventilation Axial Fan

• Customization: Available
• Material: Metal
• Blade Material: Stainless Steel
• Model NO.: PA3N250B24H/48H
• Type: Axial Fan
• Electric Current Type: DC
• Mounting: Free Standing
• Certification: CE
• Fan Feature: 0~10VDC/PWM Speed Control, Tach Output
• Usage: Telecom Station, Heat Exchanger, Free Cooling Unit
• Cooling Method: Direct Cooling
• Power: 105 W
• Rated Speed: 2750 Rpm
• Air Flow: 1118.15 Cfm / 1900 M3/H
• Air Pressure: 0.88 Inh2o / 220 PA
• Acoustical Noise: 69 dB(a)
• Insulation Class: Class B
• Protection Type: IP44
• Signal Output: Fg (Frequency Generator)
• Dimension: 250mm X 80mm
• Number of Blade: 7
• Bearing System: NMB Ball Bearing
• Operating Temperature: -25ºC to 60ºC
• Transport Package: 5PCS/Carton, 90PCS/Pallet
• Specification: CE, ROHS
• Trademark: PBM
• Origin: Suzhou, Jiangsu
• HS Code: 84145199
• Production Capacity: 100, 000PCS/Year
• Package Size: 34.00cm * 34.00cm * 24.00cm
• Package Gross Weight: 2.700kg

Product Description

280X280X80mm China High Efficiency DC Ventilation Axial Fan
Model:PA3N250B24H / PA3N250B48H

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

Model: PA3N250B24H

1.General Characters

Rated Voltage	24VDC
Operating Voltage	16~28 VDC
Rated Speed	2750 RPM
Input Current	4.8 A
Input Power	115.2 W
Air Flow	1118.15 CFM / 1900 m^3/H
Static Pressure	0.88 inH2O / 220 Pa
Acoustical Noise	69 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)

Model: PA3N250B48H
1.General Characters

Rated Voltage	48VDC
Operating Voltage	36~57 VDC
Rated Speed	2750 RPM
Input Current	2.4 A
Input Power	115.2 W
Air Flow	1118.15 CFM / 1900 m^3/H
Static Pressure	0.88 inH2O / 220 Pa
Acoustical Noise	69 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	Ø250mm X 80mm (see dimension drawing)
Material of Impeller	Cold rolled steel sheet
Number of Blades	7
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
Testing Condition
Input Voltage----Operating voltage (24VDC)
Temperature-----Room temperature
Humidity---------65%RH
5.Outline Drawing
Note:
1.Connection line:DC(4×AWG22#)
2.DC: Red=Voltage Intput 24VDC, Yellow=0-10VDC/PWM, White=FG, Blue=GND;
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Certifications

 

Certificate Show:UL / CE / Rohs

Application Scopes

 

Application Scopes:Ventilation & Purification / Air Conditioning / Refrigeration /  IT & Electronic Industry / Medical Industry / Heating / Automotive Industry / Household Electric Appliances / Cloud Date Center / Mechanical Equipment and Systems.

Company Profile

 

About PBM:High Quality EC Fan / Competitive Price / Strong Team / Long Life Expectance / Fast Delivery / Customization Available / Attentive Service / Professional Assistance
Laboratory / Packing Method / Workshop / Warehouse

Packing Detail

 

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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