Description
The NMB 09238DE-24P-CUE is a high-performance 92 mm x 92 mm x 38 mm DC axial cooling fan engineered for severe industrial operating environments. Designed around MinebeaMitsumi Original Engineering standards, this unit integrates an IP68 fully encapsulated motor assembly providing certified resistance against continuous moisture immersion, fine particulate ingress, cutting fluids, and oil mist. Operating at a nominal 24 V DC with a rated input of 1.50 A, the motor achieves rotational velocities up to 10000 RPM, delivering the high static pressure required to force cooling airflow through dense heat sink fins and restricted enclosures.
TECHNICAL SPECIFICATIONS
Manufacturer: NMB Technologies (MinebeaMitsumi)
Model: 09238DE-24P-CUE
Frame Dimensions: 92 mm x 92 mm x 38 mm
Rated Voltage: 24 V DC
Operating Voltage Range: 14.0 V to 27.6 V DC
Rated Current: 1.50 A
Rated Input Power: 36.0 W
Nominal Speed: 10000 RPM
Maximum Airflow: 135 CFM (3.82 m³/min)
Maximum Static Pressure: 420 Pa (1.68 in H2O)
Bearing System: Dual Precision Ball Bearings
Ingress Protection: IP68 (Encapsulated Potted Motor)
Insulation Class: Class A (UL Recognized)
Operating Temperature: -20 °C to +70 °C
Storage Temperature: -40 °C to +75 °C
Life Expectancy: L10 60,000 Hours at 40 °C
Frame Material: Reinforced PBT Thermoplastic (UL 94V-0)
Impeller Material: Reinforced PBT Thermoplastic (UL 94V-0)
Weight: 240 g
Certifications: RoHS, CE, UL, cUL
WIRING AND CONTROL LOGIC
Interface Type: 4-Wire Lead Configuration
Wire 1 (Red): Power Supply (+24 V DC)
Wire 2 (Black): Ground (GND)
Wire 3 (Yellow): Tachometer Frequency Generator (FG Speed Signal Output)
Wire 4 (Blue): Pulse Width Modulation (PWM Speed Input, 25 kHz nominal)
Operational Compatibility: Full-speed autonomous operation supported via standard 2-wire DC input; dynamic thermal modulation supported via 4-wire PWM interface.
INDUSTRIAL APPLICATION PROFILE
This model is specifically deployed in high-density power electronics where ambient contamination causes premature cooling failure in standard fans. In variable frequency drive (VFD) inverter cabinets, central solar inverters, and CNC machine servo controllers, airborne oil aerosols and conductive carbon dust rapidly destroy unsealed windings. The IP68 hermetic motor encapsulation isolates stator circuitry from ambient exposure, preventing dielectric breakdown while the 10000 RPM aerodynamically balanced impeller overcomes the static resistance of complex thermal heatsink profiles.
PROCUREMENT AND ENGINEERING COMPATIBILITY
Technical Compatibility: Direct drop-in replacement for standard 9238 format thermal frames across major industrial inverter platforms, automation chassis, and high-density telecom power modules.
Original Engineering: Genuine manufacturer production ensures compliance with electrical noise suppression (EMC) standards and prolonged continuous duty cycles.
Stock Status: Immediate dispatch available for inventory requirements up to 5,000 units.
Lead Time: Rapid global delivery with standard lead time ranging between 3 to 7 business days depending on transit destination.
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