Description
The ebm-papst 614NHHR is a high-performance compact DC tubeaxial cooling fan engineered for high-density thermal management in space-constrained industrial systems, measuring 60.0 × 60.0 × 25.0 mm (2.36 × 2.36 × 0.98 in). Operating from a nominal 24 VDC supply (18.0 to 26.0 VDC range), it delivers 33.0 CFM (56.1 m³/h) of airflow at a rated speed of 6,850 RPM while consuming only 3.0 W. Constructed with a reinforced fiberglass-plastic housing and impeller paired with precision dual ball bearings, the unit provides reliable continuous operation in any shaft mounting orientation. Electrical connection is established via two 310 mm AWG 22 lead wires with air exhaust discharging outward over the housing struts.
Key Features
- High-Speed Aerodynamics: Generates 33.0 CFM airflow at 6,850 RPM for intensive thermal evacuation in dense enclosures.
- Dual Ball Bearings: Heavy-duty precision bearing system facilitates unrestricted multi-axis mounting orientation and prolonged operating longevity.
- Compact 60mm Architecture: Standard 60x60x25mm form factor simplifies seamless drop-in integration into legacy instrumentation and compact equipment.
- Rugged Plastic Construction: Glass-fiber reinforced plastic housing and impeller provide mechanical stability and thermal distortion resistance.
- Industrial Wire Leads: Pre-stripped 310 mm AWG 22 conductor leads ensure flexible routing and dependable DC power termination.
Technical Specifications
| Manufacturer | ebm-papst |
|---|---|
| Manufacturer Part Number (MPN) | 614NHHR |
| Product Series | 600N |
| Product Category | DC Axial Fans |
| Fan / Component Type | Tubeaxial Fan |
| Supply Type | DC |
| Rated Voltage | 24 VDC |
| Operating Voltage Range | 18.0 to 26.0 VDC |
| Speed (RPM) | 6,850 RPM |
| Power Rating | 3.0 W |
| Rated Current | 125 mA (0.125 A) |
| Starting Current | 694 mA (0.694 A) |
| Airflow | 33.0 CFM (56.1 m³/h) |
| Noise Level | 41.0 dB(A) |
| Airflow Direction | Air outlet over struts |
| Direction of Rotation | Clockwise (viewed toward rotor) |
| Dimensions (L × H × D) | 60.0 × 60.0 × 25.0 mm (2.36 × 2.36 × 0.98 in) |
| Housing Material | Plastic |
| Impeller Material | Plastic |
| Bearing Type | Dual Ball Bearing |
| Installation Position | Any / Universal |
| Mounting Screw Size | ISO 4762 – M3 |
| Max Mounting Torque | Wire outlet corner: 20 N·cm; Remaining corners: 40 N·cm |
| Weight | 0.066 kg (0.146 lbs / 66 g) |
| Termination & Cable Specs | 2 Lead Wires, AWG 22, Length 310 mm (12.2 in), OD 1.70 mm |
| Wiring Pinout / Connection | Red: +UB (+24VDC); Blue: -GND (0V Return) |
| Motor Protection | Locked Rotor Protection |
| Ingress Protection (IP) | IP20 |
| Operating Temperature | -20 to +70 °C (-4 to +158 °F) |
| Standards & Compliance | RoHS3 Compliant |
Applications
The ebm-papst 614NHHR axial fan provides essential localized heat dissipation across compact telecom transmission gear, 1U and 2U rack-mounted network switches, and modular server power supplies. It serves as an OEM forced-convection cooling component in high-density automated test fixtures, laboratory analyzers, and embedded industrial computer chassis. Additionally, it is frequently specified for field replacement in factory automation PLC controllers, medical diagnostic monitors, and optical network terminals.
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