Description
The Delta AFB1224SHE-CR00 is a high-performance DC axial fan engineered for critical thermal management in industrial environments. Designed with a robust 120x120x38mm frame, this component delivers exceptional airflow and static pressure, making it an essential cooling solution for high-density electronic enclosures and power conversion systems. The integration of a three-wire fault alarm (R00) provides real-time operational feedback, ensuring system reliability by immediately signaling rotational failures to the host controller.
Technical Specifications:
Manufacturer: Delta Electronics
Model Number: AFB1224SHE-CR00
Fan Type: DC Axial Fan
Dimensions: 120mm x 120mm x 38mm
Rated Voltage: 24V DC
Operating Voltage Range: 14.0V to 27.6V DC
Rated Current: 0.75A
Power Consumption: 18.0W
Nominal Speed: 3700 RPM ± 10%
Maximum Airflow: 151.85 CFM (4.30 m³/min)
Static Pressure: 14.5 mmH2O
Noise Level: 53.0 dB(A)
Bearing System: Precision Dual Ball Bearing
Termination: 3-Wire Leads (Power, Ground, Rotation Detector/Fault Alarm)
Housing Material: UL 94V-0 Plastic
Impeller Material: UL 94V-0 Plastic
Operating Temperature: -10°C to +60°C
Weight: 256g
Engineering Architecture and Sensor Logic:
This specific -CR00 variant features an integrated Rotation Detector (RD) signal. Unlike standard tachometer outputs, the fault alarm wire remains at a specific logic state during normal operation and switches state if the fan speed drops below a critical threshold or halts. This logic is vital for automated shutdown protocols in expensive industrial machinery, preventing catastrophic thermal damage. The dual ball bearing architecture guarantees an extended lifecycle of up to 70,000 hours, minimizing maintenance intervals in continuous-duty applications.
Targeted Industrial Application:
The AFB1224SHE-CR00 is specifically optimized for Variable Frequency Drives (VFDs), heavy-duty solar inverters, and CNC machine control cabinets. In these applications, the 0.75A high-torque motor overcomes the high static pressure resistance caused by densely packed heat sinks and internal components. The fault alarm ensures that any cooling degradation in the inverter immediately triggers a safe shutdown, protecting sensitive IGBT modules from thermal runaway.
Procurement and Lifecycle Value:
Ensuring Technical Compatibility is straightforward due to the standardized 12038 form factor and 24V DC power requirement. As a product of Original Engineering, this Delta fan guarantees exact acoustic and thermal performance matching for OEM replacements. We maintain an optimized supply chain to provide a minimized Lead Time, ensuring your critical infrastructure experiences minimal downtime during maintenance cycles.
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