📝 Description

Used product.
Industrial axial fan NMB-MAT / Minebea Motor Manufacturing Corporation, model 5920PL-05W-B49, identified on the label as 24 VDC – 0.95 A. It is a large cooling fan suitable for use in inverters, drives, converters, electrical panels, and power electronic equipment. The 5920PL-05W-B49 model is a professional series that is now discontinued, but is still available on the industrial spare-parts market.

⚙️ Technical Specifications

• Brand: NMB-MAT / Minebea Motor
• Series: 5920PL
• Model: 5920PL-05W-B49
• Nominal voltage: 24 VDC
• Current indicated on label: 0.95 A
• Indicative electrical power: approx. 22.8 W
• Dimensions: approx. 172 × 150 × 50.8 mm
• Type: axial/tubeaxial fan
• Bearings: Ball Bearing
• Frame material: aluminum
• Impeller: plastic material
• Connection: 3-wire
• Signal: version with tachometric output
• Power polarity: + red / − black, as indicated on the label
• Series operating temperature: approx. −10…+70 °C
• Visible certifications: CE, VDE, CSA, UL
• Origin indicated on label: Made in China
• Visible marking: D50
  The label clearly shows “NMB-MAT”, “MODEL 5920PL-05W-B49”, “24V DC”, “0.95A”, “Minebea Motor Manufacturing Corporation”, “+ : RED, − : BLACK”, and “MADE IN CHINA”.
  The 0.95 A current is the value specifically indicated on the photographed unit; some databases list variants/sub-codes of the 5920PL family with different values, therefore the 0.95 A label value should be used as the reference for this product. The 5920PL family is documented with dimensions 172 × 150 × 50.8 mm, 3350 rpm, ball bearings, and tachometric output.

⚡ Function in the Electrical System

The fan is intended for forced cooling of equipment that generates a significant amount of heat during operation.
It can be used as a replacement for:

• photovoltaic inverters;
• industrial inverters and drives;
• power converters;
• power supplies;
• electrical panels;
• industrial electronic equipment;
• ventilation systems for technical cabinets.
  The presence of the tachometric signal allows, when supported by the equipment, monitoring of rotational speed and detection of ventilation anomalies. NMB documentation identifies the family as a DC axial fan with Tach Output.

🏭 Construction and Installation

The fan features a robust aluminum metal frame with a plastic impeller and ball bearings, characteristics suitable for industrial applications.
The dimensions of approximately 172 × 150 × 50.8 mm make it a specific-format fan; before replacement, it is therefore necessary to verify mounting spacing, available depth, airflow direction, and connector.
The electrical connection must respect the polarity indicated on the label:
red = positive (+) and black = negative (−).
The 5920PL family is specified by the manufacturer with a nominal voltage of 24 VDC, supply range 12–30 VDC, speed of approximately 3350 rpm, maximum airflow of approximately 240 CFM / 6.8 m³/min, and maximum static pressure of approximately 155 Pa.

🌐 Applications

Particularly suitable for professional applications requiring high air exchange, including photovoltaic inverters, variable-speed drives, converters, industrial equipment, and power electronic systems.
An interesting reference is the use of the same 5920PL-05W-B49 family as an original replacement in Yaskawa industrial equipment, where spare part 300-030-113 identifies a 24 VDC / 0.95 A fan.

🛡️ Safety and Product Condition

The product is used and working, with signs of use and normal cosmetic traces visible on the frame and impeller.
Before use, verify 24 VDC power supply, polarity, current consumption, free impeller rotation, bearing noise, and correct operation of the tachometric signal.
⚠️ The fan must only be used with a compatible power supply. Incorrect polarity connection or application of an unsuitable voltage may damage the internal electronic motor.

📦 Package Contents

• 1× NMB-MAT fan
• Model 5920PL-05W-B49

🚀 Final Description

The NMB-MAT 5920PL-05W-B49 is a professional industrial axial fan measuring 172 × 150 × 50.8 mm, powered at 24 VDC / 0.95 A, with ball bearings, aluminum frame, plastic impeller, and tachometric output. It is particularly suitable as a replacement for inverters, drives, converters, and power electronic equipment. The model is discontinued, but continues to be sold on the industrial spare-parts market; references for use as an original Yaskawa replacement are also available.