Description
The Nidec D1751P24B8PP-388 is a high-performance industrial axial cooling fan engineered specifically for heavy-duty thermal management within ABB frequency converters and high-power inverter systems. This unit is part of the D1751P series, known for delivering high static pressure and extreme airflow velocity required for critical power electronics cooling.
Technical Specifications:
Manufacturer: Nidec Corporation
Model Number: D1751P24B8PP-388
ABB Part Reference: Compatible with specific ACS series inverter modules
Frame Size: 172mm x 150mm x 51mm
Bearing Type: Dual Precision Ball Bearings
Nominal Voltage: 24V DC
Operating Voltage Range: 14.0V to 27.6V DC
Rated Current: 3.4A
Input Power: 81.6W
Rated Speed: 6000 RPM
Maximum Airflow: 420 CFM (11.9 m³/min)
Static Pressure: 1.15 in H2O (286 Pa)
Noise Level: 72 dB(A)
Termination: 3-Wire / 4-Wire lead configuration (Application dependent)
Weight: 820g
Material and Environmental Ratings:
Housing Material: Die-cast Aluminum
Impeller Material: Reinforced Thermoplastic (UL 94V-0 rated)
Operating Temperature: -10°C to +70°C
Storage Temperature: -40°C to +75°C
Ingress Protection: IP55 / IP68 variants available
Insulation Resistance: 10M Ohm min. at 500V DC
Certifications: UL, CSA, TUV, CE, RoHS Compliant
Industrial Application and Compatibility:
This model is primarily utilized as a primary cooling component in ABB ACS800 and ACS880 series inverters. Its high-torque motor design allows it to overcome the internal resistance of densely packed heat sinks and filter mats. In high-demand environments, the D1751P24B8PP-388 ensures the power modules remain within safe operating temperature margins, preventing thermal throttling and extending the lifecycle of the DC bus capacitors.
Technical Compatibility and Installation:
The unit features Original Engineering specifications to match the factory-installed fan curves required by the inverter control logic. It supports PWM speed control or frequency-based monitoring to provide real-time feedback to the system controller. When replacing fans in critical infrastructure, using the authentic Nidec model ensures zero-latency integration and maintains the original manufacturer warranty standards.
Logistics and Quality Assurance:
Condition: New Original Authentic
Lead Time: Immediate dispatch available for standard inventory
Testing: 100% factory tested for vibration and rotational balance









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