Description
The Delta THB1548DG is a high-performance, industrial-grade DC axial cooling fan designed for extreme thermal management applications. Built with Original Engineering standards, this 48V component delivers exceptional airflow and static pressure, making it an essential replacement or upgrade for heavy-duty machinery. Its robust construction ensures Technical Compatibility with a wide range of frequency inverters and air compressor systems.
Technical Specifications:
Manufacturer: Delta Electronics
Model Number: THB1548DG
Dimensions: 172 x 150 x 51 mm
Nominal Voltage: 48V DC
Operating Voltage Range: 36.0 to 60.0 VDC
Input Current: 2.20 A
Power Consumption: 105.6 W
Rated Speed: 6000 RPM ± 10%
Maximum Airflow: 380.0 CFM (10.76 m³/min)
Acoustic Noise: 73.0 dB(A)
Bearing System: High-Precision Dual Ball Bearing
Frame Material: Die-cast Aluminum
Impeller Material: Thermoplastic PBT (UL 94V-0)
Operating Temperature: -10°C to +70°C
Weight: 850 g
Termination: 4-Wire Lead (Power, Ground, PWM, Tachometer)
Control and Integration:
This cooling fan features an advanced 4-wire interface with Pulse Width Modulation (PWM) speed control. This allows the host system to dynamically adjust the fan speed based on real-time thermal loads, optimizing power consumption and reducing acoustic noise during idle periods. The integrated tachometer provides accurate RPM feedback for system monitoring and fault detection.
Industrial Applications:
The THB1548DG is specifically engineered for environments requiring rapid heat dissipation. In high-capacity frequency inverters, it prevents thermal throttling of power modules during continuous operation. When integrated into industrial air compressors, it maintains optimal operating temperatures for motor and controller housings, preventing premature wear. It is also highly effective in telecom base stations and high-density server racks where sustained airflow is critical.
Lifecycle and Procurement:
Equipped with a dual ball bearing system, this fan offers an extended operational lifespan of over 70,000 hours at 40°C. We ensure a streamlined procurement process with an optimized Lead Time, minimizing downtime for your critical infrastructure.











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