Description
The ebm-papst 614NML is a compact 24 VDC brushless tubeaxial cooling fan measuring 60 x 60 x 25 mm (2.36 x 2.36 x 1.00 in) engineered for ultra-quiet, continuous thermal management in space-constrained industrial electronics. Operating across an input voltage window of 18 to 28 VDC, it delivers an aerodynamic airflow of 14.7 CFM (25 m³/h) at a rated speed of 3000 RPM while consuming merely 1.0 W of nominal power and emitting an acoustic footprint of 19 dB(A). Built with a glass-fiber reinforced PBT housing and a glass-fiber reinforced PA impeller, the unit features an exhaust-over-struts airflow path supported by high-reliability dual ball bearings. Electrical integration is facilitated via stripped and tin-plated AWG 22 lead wires, backed by integrated electronic reverse-polarity and locked-rotor overload protection.
Key Features
- Acoustic & Power Efficiency: Delivers 14.7 CFM (25 m³/h) airflow while consuming only 1.0 W at an ultra-low 19 dB(A) acoustic profile.
- Industrial Ball Bearing System: Engineered with precision ball bearings providing an extensive L10 service life of 80,000 hours at 40 °C.
- Rugged Composite Architecture: Constructed with glass-fiber reinforced PBT thermoplastic housing and PA impeller for structural integrity and vibration dampening.
- Integrated Circuit Protection: Features internal electronics safeguarding against reverse polarity, motor overload, and continuous locked-rotor fault conditions.
- Flexible 24VDC Input Range: Operates reliably across an extended supply window of 18 to 28 VDC in extreme ambient temperatures.
Technical Specifications
| Manufacturer | ebm-papst |
|---|---|
| Manufacturer Part Number (MPN) | 614NML |
| Product Series | 600N |
| Product Category | DC Axial Fans |
| Fan / Component Type | DC Axial Compact Fan (Tubeaxial) |
| Supply Type | DC |
| Rated Voltage | 24 VDC |
| Operating Voltage Range | 18.0 to 28.0 VDC |
| Speed (RPM) | 3000 RPM |
| Power Consumption | 1.0 W |
| Airflow | 14.7 CFM (25.0 m³/h) |
| Sound Pressure Level | 19.0 dB(A) |
| Sound Power Level | 3.9 Bel |
| Airflow Direction | Exhaust over struts |
| Direction of Rotation | Clockwise, viewed toward rotor |
| Dimensions (L × H × D) | 60.0 × 60.0 × 25.4 mm (2.36 × 2.36 × 1.00 in) |
| Mounting Hole Pitch | 50.0 × 50.0 mm (1.97 × 1.97 in) |
| Mounting Hole Diameter | 3.7 mm (0.146 in) |
| Housing Material | Glass-fiber reinforced PBT plastic |
| Impeller Material | Glass-fiber reinforced PA plastic |
| Bearing Type | Precision Ball Bearing |
| Termination & Cable Specs | 2 Wire Leads, AWG 22, TR 64, stripped and tin-plated |
| Motor Protection | Reverse polarity protection and electronic locked-rotor overload protection |
| Operating Temperature | -20 to +70 °C (-4 to +158 °F) |
| Service Life (L10 at 40 °C) | 80,000 h |
| Weight | 0.066 kg (0.145 lbs / 65.8 g) |
| Standards & Compliance | VDE, CSA, UL, CE, RoHS3 |
Applications
The ebm-papst 614NML DC axial fan is engineered for silent, mission-critical cooling in compact automation and telecommunications hardware. It is widely integrated into 1U/2U server chassis, compact programmable logic controllers (PLCs), optical network terminals, and industrial PoE switch enclosures. Additionally, its exceptionally low acoustic output and dependable ball bearing architecture make it ideal for medical diagnostic instrumentation, benchtop laboratory analyzers, and embedded machine vision processing units.
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