Name: High Pressure 28cfm 24v Brushless DC Blower , Cpap Machine Blower Motor
Brand: junqi
Price: 1 USD

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High Pressure 28cfm 24v Brushless DC Blower , Cpap Machine Blower Motor

Brand Name:junqi

Certification:CE,Rohs

Model Number:OWB-9250-220

Minimum Order Quantity:1 set

Delivery Time:5-30days

Payment Terms:T/T, L/C

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Changzhou Junqi International Trade Co.,Ltd

Verified Supplier

Location: Changzhou Jiangsu China

Address: No.28 Shunyuan Rd, Changzhou City, JIangsu, China

Supplier`s last login times: within 3 hours

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Product Details Company Profile

Product Details

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

Model	OWB9250-240	OWB9250-220
Rated Voltage	24VDC	24VDC
Rated current(open)	6.5A	5A
Air flow(open)	42M³/H	37M³/H
Motor Speed(open)	24000 RPM	22000RPM

Rated current(closed)	2.3A	2.2A
Air pressure(closed)	8kPa	6.8kPa
Motor Speed(closed)	28500 RPM	26500RPM

Motor pole	4	4
Phase Resistance	0.62 Ohm	0.66 Ohm
Noise	80 dBA	80 dBA
Ball Bearing	NMB High-speed ball bearing
Driving motor	3 phase brushless DC motor
Hall sensor angle	120°
RPM-Pulse	1 Hz=30rpm
Winding type	Delta
Winding withstand Voltage	500VDC (1 minute )
Insulation Class	Class F
Blower weight	400 g
IP grade	IP54
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 4	Red	+5V
Pin 5	Purple	Hall A
Pin 6	Green	Hall B
Pin 7	Grey	Hall C
Pin 8	Black	GND
Pin 1	Yellow	Motor phase A
Pin 2	Blue	Motor phase B
Pin 3	White	Motor 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

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.

Product Tags:

28cfm Brushless DC Blower 28cfm Cpap Machine Blower Motor 26500rpm Brushless DC Blower

High Pressure 28cfm 24v Brushless DC Blower , Cpap Machine Blower Motor

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