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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 | D21-A0 |
| Description | Motorized Impeller; 250x250x56mm; 230 VAC; 594 CFM |
The ETRI / Rosenberg D21-A0 is a 250 x 250 x 56 mm 230 VAC motorized impeller moving 594 CFM (16.82 m³/min), with a noise level of 61 dBA (60 Hz figures).
It has an AC motor.
| Category | |
| Manufacturer | ETRI / Rosenberg |
| Model | 4RREU25 250X56R |
| Fan Type | Motorized Impeller |
| Dimensions | 250 x 250 x 56 mm (9.84 x 9.84 x 2.20 in) |
| Impeller Diameter (mm) | 250 |
| Rated Voltage | 230 VAC |
| Air Flow | 594 CFM (16.82 m3/min) |
| Noise Level (dBA) | 61 |
| Motor Type | AC |
| Insulation Class | Class F |