Description
The Delta THD0924HE is a high-performance, industrial-grade axial cooling fan engineered specifically for heavy-duty inverter systems and variable frequency drives (VFDs). Operating on a 24V DC power supply with a substantial 1.8A current draw, this 92x92x38mm component delivers the exceptional airflow and static pressure required for high-density thermal management. The integration of an IP68-rated waterproof and dustproof enclosure ensures uninterrupted operation in the most demanding environmental conditions, safeguarding the internal motor electronics against moisture ingress, chemical exposure, and particulate contamination through advanced stator potting techniques.
At the core of its mechanical architecture is a precision dual ball bearing system, which significantly extends the operational lifecycle and guarantees stable rotor dynamics at high RPMs. The 4-wire configuration provides advanced Pulse Width Modulation (PWM) speed regulation alongside a tachometer signal output. This closed-loop control allows the host system’s thermal management controller to dynamically adjust fan speed in real-time based on thermal loads, optimizing power consumption and reducing acoustic noise during off-peak operational phases.
In industrial applications such as outdoor solar inverters, telecom base stations, and CNC machine control cabinets, thermal bottlenecks can lead to catastrophic system failures. The Delta THD0924HE resolves this by providing forced convection cooling that maintains optimal operating temperatures even when exposed to ambient moisture and industrial dust. Its Original Engineering guarantees seamless Technical Compatibility with existing Delta-cooled infrastructure, while optimized supply chain logistics ensure a minimal Lead Time for critical spare parts replacement.
Technical Specifications:
Brand: Delta Electronics
Model Number: THD0924HE (9238)
Dimensions: 92mm x 92mm x 38mm
Operating Voltage: 24V DC
Operating Voltage Range: 14.0V to 27.6V DC
Current Rating: 1.80A
Power Consumption: 43.2W
Bearing Type: Dual Ball Bearing
Control Interface: 4-Wire PWM Speed Regulation
Sensor Output: Tachometer (Speed Sensor)
Ingress Protection: IP68 (Waterproof / Dustproof)
Frame Material: High-Impact Plastic (UL94V-0)
Impeller Material: High-Impact Plastic (UL94V-0)
Operating Temperature: -10°C to +70°C
Storage Temperature: -40°C to +75°C
Weight: 190g










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