4114 NHH ebm-papst: High-Performance 24V Cooling
The 4114 NHH is the high-performance variant of the 4100 N series, designed for applications where maximum heat dissipation is required. The «HH» suffix stands for **High Speed**, indicating a significantly more powerful motor and steeper blade pitch compared to the standard «N» model. Operating on **24 VDC**, this 119mm fan is the standard choice for industrial automation cabinets (PLCs, VFDs, Servo Drives) where 24V is the control voltage. It delivers a massive airflow volume to combat high thermal loads generated by power electronics in confined spaces.
Detailed Technical Data
- Dimensions: 119 x 119 x 38 mm.
- Voltage: 24 VDC (Range 12 – 30 VDC).
- Airflow: Approx. 260 m³/h (High Flow).
- Speed: 5000 RPM.
- Power Input: 11 – 13 W.
- Noise Level: 60 dB(A) (Louder due to high speed).
- Bearing: Ball Bearings (Reinforced).
Field Diagnostics & Integration
Lifecycle State: Active. Diagnosis: This fan moves a lot of air. If the cabinet is silent, the fan has failed. Due to its high speed (5000 RPM), bearing wear is the primary failure mode after 50k+ hours. Listen for high-pitched whining. Installation Advice: Secure mounting is essential. The torque at startup and the vibration at 5000 RPM can loosen standard screws. Use thread-locker or nylon nuts. Compatibility: Fully compatible with **Siemens S7-1500** 24V DC digital output cards. Due to its higher current draw (~500mA), ensure the PLC output channel is rated for at least 0.5A or drive it via an interposing relay.
| Metric | Value |
|---|---|
| Static Pressure | High (Good for dense filters) |
| Current | ~ 540 mA |
| Material | PBT Plastic (UL 94 V-0) |
| Life (L10) | 60,000 hrs @ 40°C |
Warning
Do not use your finger to stop this fan during testing. The «HH» version has high torque and sharp blades running at 5000 RPM, which can cause injury.
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