4715MS-23T-B4A NMB fan

Description

The NMB 4715MS-23T-B4A is a heavy-duty industrial AC axial fan engineered by NMB Technologies (MinebeaMitsumi) for demanding thermal management in enclosed industrial electronics. Built with Original Engineering standards, this model delivers reliable continuous air displacement across harsh thermal cycles, mitigating hotspot accumulation in control cabinets, drive housings, and telecom racks. Global inventory availability guarantees an accelerated Lead Time for planned system assembly and critical maintenance operations.

Model Breakdown and Identification:
Brand: NMB Technologies (MinebeaMitsumi)
Model Code: 4715MS-23T-B4A
Series: 4715MS (119 x 119 x 38 mm AC Axial Frame)
Motor Architecture: Single-Phase Shaded Pole Induction Motor
Bearing Configuration: Dual Precision Ball Bearings
Termination Type: Quick-Connect Terminal Lugs (Faston .110 / 2.8 mm)
Thermal Protection: Impedance Protected

Electrical and Operating Specifications:
Rated Voltage: 230V AC
Operating Voltage Range: 180V AC to 253V AC
Frequency: 50 / 60 Hz
Input Power (50Hz / 60Hz): 14.0 W / 13.0 W
Rated Current (50Hz / 60Hz): 0.08 A / 0.07 A
Rated Speed (50Hz / 60Hz): 2600 RPM / 2900 RPM
Maximum Airflow (50Hz / 60Hz): 88.2 CFM (2.50 m³/min) / 102.4 CFM (2.90 m³/min)
Maximum Static Pressure (50Hz / 60Hz): 58.8 Pa (0.24 in H2O) / 68.6 Pa (0.28 in H2O)
Acoustic Noise Level (50Hz / 60Hz): 37.0 dB(A) / 41.0 dB(A)
Rotational Direction: Counter-Clockwise looking at rotor face
Airflow Direction: Exhaust over struts

Mechanical and Material Parameters:
Frame Dimensions: 119 mm x 119 mm x 38 mm (±0.5 mm)
Mounting Hole Diameter: 4 x Ø 4.3 mm
Frame Material: Aluminum Die-Cast, Black Finish
Impeller Material: Glass Fiber Reinforced Plastic (UL94V-0 Rated)
Weight: 550 g
Service Life Expectancy: 50,000 Hours (L10 at 25 °C)

Environmental Ratings and Safety Standards:
Operating Temperature Range: -10 °C to +70 °C
Storage Temperature Range: -40 °C to +70 °C
Insulation Resistance: 100 MΩ minimum at 500V DC
Dielectric Strength: AC 1800V for 1 second
Safety Certifications: UL Recognized (E89936), CSA Certified, VDE Approved, CE, RoHS Compliant

Application Profile and Technical Compatibility:
Designed for high static pressure conditions where air filters, cable harnesses, and dense component layouts restrict airflow. Full Technical Compatibility covers variable frequency drive (VFD) cabinets, CNC machine tool controllers, uninterruptible power supplies (UPS), telecommunications distribution enclosures, and industrial automation control centers requiring standard 230V single-phase cabinet integration.