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WF-OR Series
Inquire about this product EC external rotor fan

Product Overview
The WF-OR series EC external rotor fan features a compact design with an integrated motor and impeller. Its small footprint and flexible installation make it ideal for cabinet cooling in space-constrained environments, electronic device thermal management, and small-scale ventilation applications.
Key Features
- Compact integrated design saves installation space
- Quiet operation, ideal for indoor environments
- Wide voltage input for various power grids
- Supports PWM stepless speed control
- Maintenance-free bearing design
- Multiple sizes available (190-400mm)
Technical Specifications
| Airflow Range | 100 - 8,000 m³/h |
| Static pressure range | 20 - 300 Pa |
| Motor efficiency | ≥80% |
| Ingress Protection Rating | IP44 |
| Operating Temperature | -10°C ~ +50°C |
| Control Mode | PWM / 0-10V |
| Noise | ≤55 dB(A) |
| Lifespan | ≥40,000 hours |
Use Cases
Server cabinet cooling
Electronic Device Cooling
Compact ventilation
Medical Instrument Cooling
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