Description
The Delta THB1548DE represents heavy-duty industrial thermal management built with Delta Original Engineering. Engineered for mission-critical installations requiring superior static pressure and uninterrupted duty cycles, this 48V cooling unit provides verified Technical Compatibility with enterprise telecom rectifiers, blade server enclosures, cloud computing infrastructure, and industrial power conversion systems.
Technical Specifications:
Manufacturer: Delta Electronics
Model: THB1548DE
Bearing Type: Dual Precision Ball Bearing
Nominal Voltage: 48 VDC
Operating Voltage Range: 36.0 VDC to 60.0 VDC
Rated Current: 2.50 A
Rated Input Power: 120.0 W
Rated Speed: 7000 RPM (nominal)
Maximum Airflow: 380.5 CFM (10.77 m³/min)
Maximum Static Pressure: 51.5 mmH2O (2.03 inH2O / 505 Pa)
Acoustic Noise Level: 72.5 dB(A)
Frame Material: Aluminum Die-Cast / PBT UL94V-0 Plastic
Impeller Material: Glass-Fiber Reinforced Plastic (UL94V-0 PBT)
Interface / Wire Count: 4-Wire Lead (VDC, GND, Tachometer / Frequency Generator, PWM Speed Control)
Motor Protection: Electronically Protected, Polarity Protection, Locked Rotor Shutdown
Insulation Class: Class A (UL)
Dielectric Strength: 500 VAC at 50/60 Hz for 1 minute
Life Expectancy (L10): 70,000 Hours at 40 °C
Operating Temperature: -20 °C to +70 °C
Storage Temperature: -40 °C to +75 °C
Weight: 820 g
Regulatory Compliance: RoHS, CE, UL, cUL, TUV
Industrial Application and System Integration:
The THB1548DE is specifically engineered to overcome extreme system impedance found in densely packed server arrays, telecom outdoor base stations, and high-capacity inverter cabinets. Standard cooling fans suffer severe airflow drop-offs when facing restricted air intake or micro-fin heat sinks. By delivering over 50 mmH2O of static pressure, the THB1548DE guarantees stable volumetric throughput, eliminating localized hot spots on critical power semiconductors and microprocessors.
Commercial and Delivery Terms:
Condition: Unused OEM Industrial Stock, Zero Operating Hours
Lead Time: Immediate dispatch within 24 to 48 hours for global express freight
Packaging: ESD-safe bulk industrial packaging with mechanical rotor stabilization










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