11938MB-B3N-NP NMB fan 4715MS-23T-B5A

Name: 11938MB-B3N-NP NMB fan 4715MS-23T-B5A
Brand: NMB
SKU: 900158681280
Availability: InStock
Rating: 5 (4 reviews)

$10.86

SKU: 900158681280 Brand: NMB

Description
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Description

The NMB-MAT 4715MS-23T-B5A, cross-referenced as the 11938MB-B3N-NP, is a robust AC axial fan engineered by MinebeaMitsumi for high-reliability thermal management applications. This unit features a durable aluminum die-cast frame and a polycarbonate impeller, driven by a shaded pole induction motor. The integration of high-precision double ball bearings ensures extended service life and consistent performance in vertical or horizontal mounting orientations. Designed for 230VAC operation, this fan provides substantial airflow relative to its compact 119mm footprint, making it a standard component for industrial cabinet cooling.

Technical Specifications:
Manufacturer: NMB Technologies (MinebeaMitsumi)
Model Series: 4715MS
Part Number: 4715MS-23T-B5A
Alternate ID: 11938MB-B3N-NP
Frame Dimensions: 119 mm x 119 mm x 38 mm
Rated Voltage: 230 VAC
Frequency: 50 / 60 Hz
Input Power: 14 W / 15 W
Current Rating: 0.10 A / 0.09 A
Phase: Single Phase
Nominal Speed: 2600 / 2900 RPM
Max Airflow: 88.2 / 102.0 CFM (2.50 / 2.90 m³/min)
Static Pressure: 63.7 / 74.5 Pa
Noise Level: 37 / 41 dB(A)
Bearing System: Double Ball Bearing
Termination Style: 2-Terminal (Faston #110)
Frame Material: Aluminum Alloy
Impeller Material: Plastic (UL94V-0)
Operating Temperature: -10°C to +70°C
Motor Protection: Impedance Protected
Insulation Class: Class E
Weight: 550 g

Industrial Application:
This cooling fan is specifically calibrated for heat dissipation in Uninterruptible Power Supply (UPS) units, variable frequency drives, and industrial control panels. Its high static pressure capability allows it to effectively push air through dense component arrays and filters found in server racks and power inverters. The robust construction ensures functional integrity without maintenance in continuous-duty cycles.

Procurement Notes:
Supply of this item guarantees Original Engineering specifications, ensuring exact fit and electrical matching for critical infrastructure repairs. Verify Technical Compatibility with existing enclosures before installation. Contact our sales team for current Lead Time on volume orders.

11938MB-B3N-NP NMB fan 4715MS-23T-B5A

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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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