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Product Details:
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| Rated Voltage: | 24V DC | Rated Current: | 2.8A |
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| 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 |
| High Light: | 24 v dc brushless blower,dc blower fan 24v,24v dc brushless blower cooling fan |
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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
| Model | OWB7040-12 | OWB7040-24 |
| Rated Voltage | 12VDC | 24VDC |
| Rated current(open) | 4.4A | 2.8A |
| Air flow(open) | 220LPM | 280LPM |
| Motor Speed(open) | 33000 RPM | 36000RPM |
| Rated current(closed) | 2A | 0.9A |
| Air pressure(closed) | 5.5kPa | 6.5kPa |
| Motor Speed(closed) | 42000 RPM | 46000RPM |
| Motor pole | 2 | 2 |
| Phase Resistance | 0.9 Ohm | 1.6 Ohm |
| Noise | 65 dBA | 65 dBA |
| Ball Bearing | NMB High-speed ball bearing | |
| Driving motor | 3 phase brushless DC motor | |
| Hall sensor angle | 60° | |
| RPM-Pulse | 1 Hz=60rpm/min | |
| Winding type | Delta | |
| Winding withstand Voltage | 500VDC (1 minute ) | |
| Insulation Class | Class F | |
| Blower weight | 68 g | |
| IP grade | IP54 | |
| 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 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 |
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.
Contact Person: Mr. Amigo Deng
Tel: +86-18994777701
Fax: 86-519-83606689
