Description
The Delta THB1748BG-CG98 is an exceptionally high-performance 48V DC axial cooling fan. Measuring 172mm x 172mm x 51mm, this fan is designed for the most demanding thermal management applications, such as high-density server racks, large power inverters, and telecommunication systems, where extreme airflow and static pressure are critical. It operates at a rated voltage of 48V DC and draws a very high current of 5.80A, resulting in a substantial power consumption of 278.4W. This immense power allows it to achieve an extremely high rotational speed of 8000 RPM, generating a colossal airflow of 607 CFM and a very high static pressure of 4.136 inch-H2O. Due to its extreme performance, its typical noise level is 75 dBA. The fan features robust ball bearings for an extended operational lifespan of 70,000 hours at 40°C. It typically comes with 4-wire leads, commonly including power, ground, a tachometer output for speed monitoring, and a PWM input for speed control. The frame is constructed from durable die-casting aluminum.
Model Number: THB1748BG-CG98
Manufacturer: Delta Electronics
Type: DC Axial Cooling Fan
Dimensions: 172mm x 172mm x 51mm
Rated Voltage: 48V DC
Operating Voltage Range: 36.0V – 56.0V DC
Rated Current: 5.80A
Rated Power: 278.4W (calculated: 48V * 5.80A)
Speed: 8000 RPM
Airflow: 607 CFM (17.2 m³/min)
Static Pressure: 4.136 inch-H2O (105.0 mmH2O)
Noise Level: 75 dBA
Connector: 4-Wire Leads
Bearing Type: Ball Bearing
Life Expectancy: 70,000 hours at 40°C
Frame Material: Die-Casting Aluminum
Impeller (Blade) Material: Plastic
Features: Locked Rotor Protection, PWM Control, Speed Sensor (Tachometer)
Operating Temperature: -10°C to +70°C
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