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To ensure accuracy, please note that images may be representative. Refer to the product data sheet for detailed specifications.
| Manufacturer | ETRI / Rosenberg |
| Manufacturer Product Number | B22-E4 |
| Description | AC Axial Fan; 247.5x247.5x72.3mm; 230 VAC; 1080 CFM; Ball; IP44 |
| Datasheet | Download Datasheet |
The ETRI / Rosenberg B22-E4 is a 247.5 x 247.5 x 72.3 mm 230 VAC axial fan moving 1080 CFM (30.58 m³/min), with a noise level of 69 dBA (60 Hz figures).
It runs on ball bearings. Environmental protection: IP44.
It has an AC motor, with thermal protection. It operates from -20 to +70 °C.
| Category | |
| Manufacturer | ETRI / Rosenberg |
| Fan Type | Axial |
| Dimensions | 247.5 x 247.5 x 72.3 mm (9.74 x 9.74 x 2.85 in) |
| Rated Voltage | 230 VAC |
| Air Flow | 1080 CFM (30.58 m3/min) |
| Noise Level (dBA) | 69 |
| Bearing Type | Ball |
| Environmental Protection | IP44 |
| Motor Type | AC |
| Motor Protection | Thermal protection |
| Insulation Class | Class F |
| Operating Temperature (°C) | -20...+70 |