

The EEC0251B3-000U-GB9 is SUNON's 12 VDC, 120 × 120 × 25 mm DC axial fan option for telecom cabinets, base stations, and network equipment. Its 2200 rpm rating defines a lower-speed operating point. For procurement comparison, start with the supplied mounting size. Use the latest specification for frequency and tolerance limits.
| Rated Voltage(V) | 12 |
|---|---|
| Size(mm) | 120x120x25mm |
| Max.Air Flow(m³/h) | 127.4 |
| Max.Pressure(Pa) | 39.9 |
| Input Power(W) | 1.9 |
| Speed(rpm) | 2200 |
| Noise(db) | 34 |
Designed for industrial equipment, the SUNON EEC0251B3-000U-GB9 provides DC brushless axial fan cooling in a format suited to equipment integration. It helps limit local heat buildup during operation.
The SUNON product series carries RoHS compliance and recognized safety approvals; buyers should confirm the approval marks for this exact suffix and target market. Acoustic performance depends on the enclosure and operating point; low-turbulence integration helps avoid additional airflow noise.
System designers selecting EEC0251B3-000U-GB9 should account for filter loading, then schedule system-resistance review before ordering. This approach links equipment cooling needs with practical procurement and service decisions. Include filters, vents and grilles when checking available airflow.
The supplied row does not state the connector or lead configuration. Follow the model-specific wiring drawing.
Match voltage, dimensions, mounting, airflow direction, airflow, pressure, connector, control signal, and protection before substitution.
Stock and lead time can change. Confirm the exact suffix, quantity, and delivery date with the supplier before ordering.
The worksheet lists 34 dB. Installation distance, airflow resistance, and enclosure acoustics can change the measured result.
Verify supply, wiring, obstructions, impeller movement, and protection status. Use the model datasheet before replacement or repair.
Keep the airflow path clear, secure the frame without distortion, and follow the exact wiring diagram and voltage rating.

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