11938MA-24P-EA NMB fan 24V 1.20A
11938MA-24P-EA NMB fan 24V 1.20A
11938MA-24P-EA NMB fan 24V 1.20A
11938MA-24P-EA NMB fan 24V 1.20A
11938MA-24P-EA NMB fan 24V 1.20A
11938MA-24P-EA NMB fan 24V 1.20A

11938MA-24P-EA NMB fan 24V 1.20A

$21.43

SKU: 897023564194 Brand: ,

Description

The NMB 11938MA-24P-EA is a heavy-duty industrial DC axial fan engineered specifically for forced-air thermal management in power electronics, industrial drive systems, and automation control enclosures. Manufactured in accordance with Original Engineering tolerances by MinebeaMitsumi, this 119 mm × 119 mm × 38 mm component utilizes high-grade precision dual ball bearings and an aerodynamically optimized blade geometry. It provides high static pressure performance capable of overcoming the flow resistance generated by dense heatsink fins and internal cabinet obstructions, preventing thermal throttling and extending component life in continuous-duty applications.

Technical Specifications
Manufacturer: NMB Technologies (MinebeaMitsumi)
Model Number: 11938MA-24P-EA
Frame Dimensions: 119 mm × 119 mm × 38 mm
Nominal Voltage: 24 V DC
Operating Voltage Range: 18.0 V to 27.6 V DC
Rated Current: 1.20 A
Rated Input Power: 28.8 W
Bearing Architecture: Dual Precision Ball Bearings
Frame Material: Glass-Fiber Reinforced PBT Plastic (UL94V-0)
Impeller Material: Glass-Fiber Reinforced PBT Plastic (UL94V-0)
Nominal Rotational Speed: 4,800 RPM (±10%)
Maximum Airflow: 200 CFM (5.66 m³/min)
Maximum Static Pressure: 215 Pa (0.86 in H2O)
Acoustic Noise Rating: 59.0 dB(A)
Dielectric Strength: 500 V AC (50/60 Hz) for 1 minute
Insulation Resistance: 10 MΩ minimum at 500 V DC
Operating Temperature Range: -10 °C to +70 °C
Storage Temperature Range: -40 °C to +70 °C
Expected Service Life (L10): 70,000 Hours at 40 °C
Termination Type: UL-certified lead wires
Weight: 380 g
Regulatory Compliance: UL, cUL, CE, RoHS

Industrial Application and Technical Compatibility
This cooling fan provides direct Technical Compatibility with primary frequency converter platforms, including ABB ACS series variable frequency drives (VFDs) and Yaskawa inverter units (A1000, GA700, and equivalent chassis). In continuous industrial processing, IGBT switching stages generate severe localized thermal loads. The 11938MA-24P-EA is designed to mount within the primary cooling channel or heatsink ducting of these drives, maintaining continuous thermal transfer away from power semiconductors to prevent overtemperature faults, drive trips, and unplanned plant downtime.

Supply Chain and Lead Time Details
All units are sourced as brand-new components to support plant lifecycle maintenance and critical system rebuilding. Standard stock profiles ensure a minimized Lead Time for scheduled maintenance intervals and emergency facility repairs. Custom connector terminations and harness pinouts can be configured prior to dispatch to ensure plug-and-play installation in targeted cabinet architectures.

11938MA-24P-EA NMB fan 24V 1.20A

11938MA-24P-EA NMB fan 24V 1.20A

11938MA-24P-EA NMB fan 24V 1.20A

11938MA-24P-EA NMB fan 24V 1.20A

11938MA-24P-EA NMB fan 24V 1.20A

11938MA-24P-EA NMB fan 24V 1.20A

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Fans Maintenance and upkeep

1. The use environment should always be kept clean and tidy, the surface of the fan should be kept clean, there should be no sundries in the inlet and outlet air outlets, and the dust and other sundries in the fan and pipes should be cleaned regularly;

2. The fan can only operate under the condition that it is completely normal, and at the same time, it is necessary to ensure that the capacity of the power supply facilities is sufficient and the voltage is stable.

3. During the operation of the fan, if it is found that the fan has abnormal sound, the motor is seriously heated, the shell is live, the switch trips, and cannot be started, it should be stopped immediately for inspection. In order to ensure safety, maintenance is not allowed during the operation of the fan, and a test run should be carried out for about five minutes after the overhaul to confirm that there is no abnormal phenomenon before starting the operation;

4. The fan should be stored in a dry environment to avoid moisture on the motor. When the fan is stored in the open air, there should be defensive measures. In the process of storage and handling, the fan should be prevented from bumping to avoid damage to the fan.

FAQ

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