OWB7040 Blower Fan Parameter:
| Model | OWB7040-24V |
| Voltage | 24VDC |
| Free-Blowing | |
| Speed | 37000±7% rpm |
| Current | 2.7±10%A |
| Air Flow | 25.5±10%m³/h |
| At Static Pressure | |
| Speed | 45000±7%rpm |
| Current | 0.8±15%A |
| Air Pressure | 6.5±10%Kpa |
| At Working Point | |
| Air Pressure | 4Kpa |
| Speed | 40000±10%rpm |
| Current | 1.9±10%A |
| Air Flow | 13±10%m³/h |
Notes:
1. Don't use max pressure as working point, this point is not safe since airflow is too small.
2. To add a filter onto the inlet can make the blower run longer time.
3. The right impeller run direction is CCW.

Drawing:

| Wiring Diagram | ||
| Pin 1 | Red | Vcc |
| Pin 2 | Purple | Hall A |
| Pin 3 | Green | Hall B |
| Pin 4 | Grey | Hall C |
| Pin 5 | Black | GND |
| Pin 6 | Yellow | Phase A |
| Pin 7 | Blue | Phase B |
| Pin 8 | White | Phase C |
P-Q Performance Curve:

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