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Electric Small Air Brushless Dc Motor Fireplace Mini Blower Ventilation Fan

Categories Brushless DC Blower
Brand Name: junqi
Model Number: OWB-9250-220
Certification: CE,Rohs
Place of Origin: China
MOQ: 1 set
Price: Negotiable
Payment Terms: T/T, L/C
Supply Ability: 1000 pcs per day
Delivery Time: 5-30days
Packaging Details: Carton+packing foams
Product Name: BLDC Blower
Rated Voltage: 24V DC
Rated Current: 5A
Motor Speed(open): 22000RPM
Motor Speed(closed): 26500rpm
Driving Motor: 3 Phase Brushless DC Motor
Bearing: NMB Ball Bearing
Air Pressure: 6.8Kpa
Net Weight: 400g
IP Grade: IP 54
Service Life: 10000 Hours
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    • Product Details
    • Company Profile

    Electric Small Air Brushless Dc Motor Fireplace Mini Blower Ventilation Fan

    OWB9250 series DC brushless air blower


    1: Brushless DC Air Blower Features:
    1: High speed, specialized high-speed ball bearing(NMB) offering long service life and lower noise
    2: High pressure and airflow output by compact size design
    3: High efficiency, much more efficient than brush motor blower
    4: High reliability, specialized controller make the working more reliable
    5: High intelligent, PWM speed regulation, positive inversion, PG signal feedback, intelligent controlling

    2: Products Parameters

    ModelOWB9250-240OWB9250-220
    Rated Voltage24VDC24VDC
    Rated current(open)6.5A5A
    Air flow(open)42M3/H37M3/H
    Motor Speed(open)24000 RPM22000RPM
    Rated current(closed)2.3A2.2A
    Air pressure(closed)8kPa6.8kPa
    Motor Speed(closed)28500 RPM26500RPM
    Motor pole44
    Phase Resistance0.62 Ohm0.66 Ohm
    Noise80 dBA80 dBA
    Ball BearingNMB High-speed ball bearing
    Driving motor3 phase brushless DC motor
    Hall sensor angle120°
    RPM-Pulse1 Hz=30rpm
    Winding typeDelta
    Winding withstand Voltage500VDC (1 minute )
    Insulation ClassClass F
    Blower weight400 g
    IP gradeIP54
    Operation temperature-20℃~ 50℃
    Service life (under 40℃)10000 hours



    3: Products performance

    OWB9250 24V DC brushless blower commutating period

    OWB9250 brushless DC blower Performance curves



    4: Overall dimensions

    5: Wiring diagram

    Pin 4Red+5V
    Pin 5PurpleHall A
    Pin 6GreenHall B
    Pin 7GreyHall C
    Pin 8BlackGND
    Pin 1YellowMotor phase A
    Pin 2BlueMotor phase B
    Pin 3WhiteMotor phase C


    6: Attentions
    1: Do not working under the max air pressure, the air flow is too small at max air pressure, and it's not safe for using.
    2: Add a filter attach to the intake makes the blower bearing longer service life.
    3: The correct rotation direction is CCW
    4: Do not use the blower in High temperature ,high humidity, high magnetic fields
    5: Please use suitable power supply for the blower.


    7: Brushless DC Air Blower Applications:
    1: Buffer air cushion
    2: Intelligent closestool
    3: Electric-Drive phlegm-Sucker
    4: Central ventilation system
    5:Air purifier
    6:Hand dryer
    7: Air bubble machine
    8: Ventilating device
    9: Vacuum cleaner
    10: breathing machine
    11: air pump
    12: Cooling equipment

    Matched controller:

    Packing:

    Shipment:


    FAQ:

    Can we connect this centrifugal air blower directly onto power source?

    This blower fan is with BLDC motor inside and it needs a controller board to run.

    What kind of power source shall we use to drive this blower fan?
    Generally, our customers use 24vdc switching power supply or Li-on battery.

    Do you also sell controller board for this blower fan?
    Yes, we can supply adapted controller board for this blower fan.

    How to change impeller speed if we use your controller board?
    You can use 0~5v or PWM to change speed. Our standard controller board is also with a
    potentiometer to change speed conveniently.

    What is the MTTF of this centrifugal air blower?
    MTTF of this centrifugal air blower is 20,000+ hours under 25 C degree.

    Can we use this centrifugal air blower to suct water?
    This blower fan can not be used to suck water. If you need to suck water, you can ask us to
    choose proper item for this special working condition.

    Can we use this centrifugal air blower to suck dust directly?
    This blower fan can not be used to suck dust directly.If you need to suck dust, you can ask
    us to choose proper item for this special working condition.

    What can do if the working condition is dirty?
    A filter is strongly recommended to assemble onto the the inlet of the blower fan

    How to decrease the noise of the blower?
    Many of our customers use foam, silicone to fill between blower fan and machine to insulate
    the blower noise.

    China Electric Small Air Brushless Dc Motor Fireplace Mini Blower Ventilation Fan factory
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