Description
The NMB 4715MS-12T-B20-A00 is a high-efficiency 115 VAC industrial AC axial fan with dimensions of 120 x 120 x 38 mm, engineered for continuous thermal regulation in demanding environments. This unit utilizes a precision-engineered 5-blade impeller driven by a shaded-pole induction motor, which maintains a low 7.0 W power profile across both 50 Hz and 60 Hz frequencies. Its structural integrity is anchored by a die-cast aluminum frame and a premium dual ball bearing system, ensuring exceptional mechanical longevity. The “T” suffix specifies a terminal-type interface (Faston #110), offering a robust and modular electrical connection ideal for high-reliability systems such as industrial control cabinets, medical instrumentation, and power infrastructure.
4715MS-12T-B20-A00 Fan Parameters
Manufacturer: NMB (MinebeaMitsumi)
Model Number: 4715MS-12T-B20-A00
Industry Size Code: 12038
Type: AC axial fan
Bearing Type: Dual Ball Bearing
Nominal Voltage: 115 VAC
Frequency: 50/60 Hz
Voltage Range: 100 – 125 VAC
Starting Voltage: 65 VAC
Dimensions: 120 x 120 x 38 mm
Weight: 490 g
[Electrical Data]
Input Power: 7.0 W (at 50/60 Hz)
Nominal Current: 0.08 A (at 60 Hz) / 0.09 A (at 50 Hz)
Nominal Speed: 2600 RPM (at 60 Hz) / 2100 RPM (at 50 Hz)
Motor Design: Shaded-Pole Induction Motor
Motor Protection: Impedance Protected
Insulation Class: Class E (120 °C)
Insulation Resistance: >100M ohm at 500 VDC between frame and terminals
Dielectric Strength: 1500 VAC for 1 minute
Termination: 2-Terminal Type (Faston #110 / 2.8 mm x 0.5 mm)
[Performance & Acoustics]
Max. Air Flow: 88.2 CFM (150.0 m³/h / 2.50 m³/min)
Max. Static Pressure: 4.58 mmH₂O (45.0 Pa / 0.18 inH₂O)
Sound Pressure Level: 33.0 dB(A) (Measured at 1 meter)
Number of Blades: 5
Direction of Rotation: Counter-clockwise (viewed toward impeller)
Airflow Direction: Intake over struts
[Materials & Construction]
Frame Material: Aluminum (Die-Cast ADC12, Black Paint)
Impeller Material: Thermoplastic PBT (Black, UL94V-0)
Installation Position: Any
Degree of Protection: IP33
[Reliability & Safety Standards]
Min. Ambient Temperature: -10 °C
Max. Ambient Temperature: 70 °C
Life Expectancy (L10): 50,000 hours at 25 °C
Standard Compliance: IEC 60335-1, EN 60950-1, CSA C22.2 No.113
Approval Agency: UL, CSA, VDE, CE, RoHS
Application
The NMB 4715MS-12T-B20-A00 axial fan is used in electrical control cabinets, commercial foodservice equipment, laboratory incubators, welding machines, telecommunications racks, and industrial power supplies.
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