Description
The ebm-papst 3956 is a compact AC Axial Fan engineered for high-reliability industrial cooling applications. Featuring an external rotor shaded-pole motor, this unit integrates a precision-engineered Sintec sleeve bearing system that ensures low-noise operation and exceptional longevity under continuous duty cycles. The aerodynamic design of the mineral-reinforced plastic impeller optimizes airflow efficiency while minimizing turbulence, resulting in a favorable thermal impedance profile. Housed in a rugged die-cast aluminum frame, the fan offers superior structural rigidity and effective heat dissipation, making it suitable for environments requiring robust thermal management solutions.
Model Number: 3956
Brand: ebm-papst
Product Type: AC Axial Fan
Rated Voltage: 230 VAC
Frequency: 50 / 60 Hz
Voltage Range: 207 – 253 VAC
Rated Current: 60 / 50 mA
Power Consumption: 11.0 / 9.0 W
Rated Speed: 2650 / 3150 RPM
Max. Air Flow: 34.7 / 41.2 CFM (59 / 70 m³/h)
Max. Static Pressure: 0.10 / 0.12 inH₂O (25 / 30 Pa)
Noise Level: 29 / 35 dB(A)
Bearing Type: Sintec Sleeve Bearing
Dimensions: 92 x 92 x 25 mm
Weight: 0.28 kg (0.62 lbs)
Housing Material: Die-cast Aluminum
Impeller Material: Mineral-reinforced PA Plastic (Fiberglass)
Operating Temperature: -40°C to +80°C
Life Expectancy (L10 at 40°C): 70,000 Hours
Termination: 2 Flat Plugs 2.8 x 0.5 mm
Ingress Protection: IP20
Motor Protection: Impedance Protected (Overload Protection)
Insulation Class: E
Direction of Rotation: Counter-clockwise (viewed toward rotor)
Mounting Orientation: Any
Approvals: VDE, CSA, UL, CE
The 3956 is widely utilized in compact electronic enclosures and industrial machinery where space is at a premium but reliable airflow is critical. Common deployment scenarios include cooling power supply units, small server racks, and telecommunications equipment requiring consistent thermal regulation. The robust construction of the 3956 also makes it ideal for medical devices and laboratory instrumentation, ensuring sensitive components remain within safe operating temperature ranges.
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Additional information
| Shipping Weight | 1 kg |
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