Jiangsu, China
Business Type:
Number of Employees:
Year of Establishment:
Management System Certification:
ISO 9001, ISO 14001
Average Lead Time:
Peak season lead time: one month
Off season lead time: one month
OEM/ODM Service
Overseas Agent / Branch
Spanish / Russian / Portuguese / French Speaker

Fan, Ec Fan, Ventilator manufacturer / supplier in China, offering 250mm Ec Backward Curved Centrifugal Fan, 280X280X80mm Hot Industrial Axial Fan for Sale, DC Axial Fan with Ec Brushless External Rotor Motor and so on.

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250mm Ec Backward Curved Centrifugal Fan

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Min. Order / Reference FOB Price
100 Pieces US $71-78/ Piece
Port: Shanghai, China
Production Capacity: 200, 000PCS/Year
Payment Terms: L/C, T/T
Material: Plastic
Blade Material: Plastic
Type: Centrifugal Fan
Electric Current Type: AC
Certification: CE
Motor Type: 92

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Basic Info

Model NO.: PB3N250B2EM
Bearing System: Ball Bearing
Protection Type: IP44
Weight: 3kg
Trademark: PBM
Transport Package: Standard
Specification: CE
Origin: Suzhou
HS Code: 8414593000

Product Description

250mm EC Backward Curved Centrifugal Fan

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.

Fan type:ec centrifugal fan
Rated Voltage:230VAC
Operating Voltage: 200~277 VAC
Low-Start Voltage: ≤199VAC
Rated Speed: 2780RPM
Input Current: 1.13A
Input Power: 155W
Air Flow: 1001CFM /1700m3/H
Static Pressure: 2.86inH2O / 716Pa
Acoustical Noise:75dB(A)
Life Expectance: 50,000Hours(L10)
At 40ºC room, humidity 15%~65%RH.
Direction of Rotation: Anti-clockwise seen on motor
Direction of Air Flow: All around
Insulation Class: Class B
Insulation Resistance: 50 Mega Ohm minimum at 500VDC
Between frame and (+) terminal
Motor Protection: Locked rotor protection
Polarity protection
Automatic restart capability
Speed Control: Control input 0~10VDC / PWM
Protection Type:IP44
Dielectric Strength:10mA maximum at 1500VAC 50Hz five second
Between frame and (+) terminal
Signal Output:FG (Frequency Generator)
Mounting Position:Any
Bearing System:NMB ball bearing
Lead Wire:Red , Blue AWG18#; Yellow, White AWG22#
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.
Model Motor TypeBearing
Rated PowerRated
Air     FlowAir

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