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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 | 291DS-4LP11-000 |
| Description | DC Axial Fan; 70x70x25mm; 48 VDC; 27 CFM; 4000 RPM; Ball; Lead Wires |
| Datasheet | Download Datasheet |
The ETRI / Rosenberg 291DS-4LP11-000 is a 70 x 70 x 25 mm 48 VDC axial fan moving 27 CFM (0.77 m³/min) at 4,000 RPM, with a noise level of 35 dBA.
It runs on ball bearings and connects with lead wires.
It draws 2.4 W. It has a Brushless DC motor, with impedance protection. Frame and impeller are UL94V-0 Plastic. It operates from 0 to +70 °C.
| Category | |
| Manufacturer | ETRI / Rosenberg |
| Model | 291DS |
| Fan Type | Axial |
| Dimensions | 70 x 70 x 25 mm (2.76 x 2.76 x 0.98 in) |
| Rated Voltage | 48 VDC |
| Air Flow | 27 CFM (0.77 m3/min) |
| Speed (RPM) | 4000 |
| Noise Level (dBA) | 35 |
| Input Power (W) | 2.4 |
| Bearing Type | Ball |
| Termination | Lead Wires |
| Motor Type | Brushless DC |
| Motor Protection | Impedance protection |
| Frame Material | UL94V-0 Plastic |
| Impeller Material | UL94V-0 Plastic |
| Operating Temperature (°C) | 0...+70 |
| Operating Voltage Range | 28-56 VDC |