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Mini BLDC Centrifugal Fan

Categories BLDC Centrifugal Fan
Brand Name: OWO
Model Number: OWB7040-24
Certification: CE,Rosh
Place of Origin: China
MOQ: 5 sets
Price: Negotiable
Packaging Details: Standard packing
Delivery Time: 5-25days
Payment Terms: T/T,L/C
Supply Ability: 300sets/days
Rated Voltage: 24V DC
Rated current: 2.8A
Motor speed: 36000 RPM
Driving motor: 3 phase brushless DC motor
Bearing: ball bearing
Air pressure: 6.5 Kpa
Net weight: 68 g
IP grade: IP 54
Service life: 10000 hours
Noise: 65dB
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Mini BLDC Centrifugal Fan

24VDC air pump blower for seeding machine,Buffer air cushion , Intelligent closestool ,phlegm-Sucker breathing machine CPAP machine


OWB7040 series brushless DC 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.


2: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: seeding machine

12: Cooling equipment

13: Air pump


3:Products Parameters


ModelOWB7040-12OWB7040-24
Rated Voltage12VDC24VDC
Rated current(open)4.4A2.8A
Air flow(open)220LPM280LPM
Motor Speed(open)33000 RPM36000RPM
Rated current(closed)2A0.9A
Air pressure(closed)5.5kPa6.5kPa
Motor Speed(closed)42000 RPM46000RPM
Motor pole22
Phase Resistance0.9 Ohm1.6 Ohm
Noise65 dBA65 dBA
Ball BearingNMB High-speed ball bearing
Driving motor3 phase brushless DC motor
Hall sensor angle60°
RPM-Pulse1 Hz=60rpm/min
Winding typeDelta
Winding withstand Voltage500VDC (1 minute )
Insulation ClassClass F
Blower weight68 g
IP gradeIP54
Operation temperature-20℃~ 50℃
Service life (under 40℃)10000 hours

4:Products performance


OWB7040 brushless DC vacuum blower commutating period


OWB7040 brushless DC blower Performance curves


5:Overall dimensions


6: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

7: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.

6: Contact us for suitable driver/ controller for this blower.


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