Overview
The Ebm-Papst 4414N/2-522 is a DC tubeaxial fan designed for industrial cooling, HVAC, and refrigeration applications. This compact 119mm square fan combines proven brushless DC motor technology with low-noise impeller design, making it suitable for OEM installations and retrofit cooling solutions where silent operation and reliability are essential.
Key Features
- Brushless DC Motor: Fully integrated electronic commutation with automatic restart and locked rotor protection
- Low-Noise Impeller: Sickle-shaped blade design minimizes acoustic signature while maintaining high airflow efficiency
- Ball Bearing Construction: Long service life and low friction for demanding continuous-duty applications
- Reverse Polarity Protection: Built-in electrical safety features prevent damage from incorrect wiring
- Speed Sensor (Tach) Output: 3-wire lead configuration enables RPM monitoring and control integration
Technical Specifications
- Voltage: 24 VDC (operating range 18–28 VDC)
- Airflow: 120.7 CFM (3.38 m³/min) at free air
- Static Pressure: 0.472 in Hâ‚‚O (117.6 Pa)
- Speed: 3650 RPM
- Power Consumption: 5.4 W (maximum)
- Noise Level: 46 dB(A)
- Frame Size: 119 mm × 119 mm × 38 mm (L × W × D)
- Weight: 286 g (0.631 lb)
- Operating Temperature: –30 to +75°C (–22 to 167°F)
- Bearing Type: Ball Bearing
- Motor Type: Brushless DC (BLDC) with electronic commutation
- Wire Leads: AWG 24, TR 64, stripped and tin-plated (3-wire with tach signal)
- Protection Features: Auto-restart, locked rotor protection, reverse polarity protection
Typical Applications
- Computer and server cabinet cooling
- HVAC ductwork and air handling units
- Refrigeration equipment ventilation
- Industrial enclosure thermal management
- OEM cooling solutions requiring variable-speed control
- Retrofit replacement for failing tubeaxial fans
Compatibility & Replacements
Compatible With
- 24 VDC industrial power supplies and control systems
- PWM speed controllers and DC motor drivers
- HVAC control boards with tachometer input
- Equipment cooling systems using standard mounting provisions
- Building automation systems with DC fan control
Replaces / Drop-In Replacement For
- Ebm-Papst 4414N (2-wire variant without speed signal)
- Other 119mm × 119mm square tubeaxial fans rated at 24VDC with equivalent airflow specifications
- Verify mounting holes and electrical lead configuration before ordering as a replacement
Works With
- 24 VDC electronic commutation motor drivers
- Variable frequency drives (VFDs) and PWM motor controllers
- Building management systems (BMS) with analog or digital speed input
- Tachometer-based speed monitoring and alarm systems
- Standard DIN or cabinet mount cooling ducting










