24000RPM 12VDc Blower Cooling Fan Radial Industry Blower Fan
Small Dc Blower Fan 12V 3D Printer Dc Blower Cooling Fan Dc Centrifugal Radial Industry Blower Fan
1:Brushless DC Air Blower Features:
1. Waterproof Level: IPX5~IP67, fans could be work in wet environment, outdoor or under water with waterproof protection.
2. Wire leading: 2 wires(red wire:positive;black wire:negative)
3 wires(red :positive;black :negative;yellow: PWM)
4 wires(red :positive;black :negative;Yellow :PWM;white:FG)
3. Additional function: auto-restart, temperature control speed, speed detection, stoppage alarm, waterproof etc.
4. We default 220mm wire length without connector, could be customized as your request. we just need the picture of connector and rank of wires for confirm.
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: air pump
12: Cooling equipment
3: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 | |
4:Products performance
OWB9250 24V DC brushless blower commutating period
OWB9250 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.
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