The U31-A2 backward curved fan from Rosenberg USA features a single-phase asynchronous motor designed for efficient airflow in various applications. It operates at a voltage of 230V with a frequency of 50-60 Hz, providing a maximum power output of 278W and a maximum current of 1.32A at 60 Hz. The fan achieves a rotation speed of up to 3140 RPM, delivering an airflow of 900 m³/h and a pressure of 358 Pa.
Constructed with a high-efficiency polyamide impeller, the fan is rated IP44, offering protection against solid objects larger than 1 mm and splashing water. It can operate in a temperature range from -40°C to +70°C and is equipped with thermal contact protection. The fan's weight is 3.00 kg, and it utilizes two ball bearings for smooth operation. Compliance with CE and UL standards ensures reliability and safety in various environments.
U31-A2 ECOFIT 2RREU45 250X50R; 230-volt, 1-phase, 50-60 Hz. AC backward curved motorized impeller includes: IP44 & UL-R motor class F, operating temperature -40° to +70° celsius, wired in thermo contact protection, connection cable on the rear side of the motor; 250-mm diameter High Efficiency Polyamide Impeller. Height C = 102-mm.
| Rosenberg USA | |
|---|---|
| Product Category | Fans and Blowers (industrial) |
| Product Number | U31-A2 |
| Product Name | Backward Curved Fan |
| Applications / Use | HVAC |
| Product Form | Packaged |
| Environment | Clean |
| Fan / Blower Diameter | 9.8 inch (250 mm) |
| Air Flow Rate | 912 SCFM (1550 m³/hr) |
