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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 | B11-A7 |
| Description | Motorized Impeller; 225x225x63mm; 115 VAC; 509 CFM; Ball; IP44 |
| Datasheet | Download Datasheet |
The ETRI / Rosenberg B11-A7 is a 225 x 225 x 63 mm 115 VAC motorized impeller moving 509 CFM (14.41 m³/min), with a noise level of 56 dBA (60 Hz figures).
It runs on ball bearings. Environmental protection: IP44.
It has an AC motor, with thermal protection. The impeller is plastic. It operates from -40 to +70 °C.
| Category | |
| Manufacturer | ETRI / Rosenberg |
| Model | 4RREu25 225x63R |
| Fan Type | Motorized Impeller |
| Dimensions | 225 x 225 x 63 mm (8.86 x 8.86 x 2.48 in) |
| Impeller Diameter (mm) | 225 |
| Rated Voltage | 115 VAC |
| Air Flow | 509 CFM (14.41 m3/min) |
| Noise Level (dBA) | 56 |
| Bearing Type | Ball |
| Environmental Protection | IP44 |
| Motor Type | AC |
| Motor Protection | Thermal protection |
| Impeller Material | plastic |
| Insulation Class | Class F |
| Operating Temperature (°C) | -40...+70 |