Description
OHigh-capacity industrial cooling fan engineered specifically for ABB variable frequency drives (VFD) and power conversion cabinets. Manufactured under Original Engineering standards to deliver high static pressure and volumetric airflow through densely packed heatsink fins and IGBT assemblies, preventing thermal de-rating and ensuring uninterrupted drive performance.
Decoded Technical Architecture:
Manufacturer: Delta Electronics (OEM for ABB)
OEM Part Number: FFB1524UHG
System Designation: Inverter Module Forced Air Cooling Unit
Wiring Configuration: 4-Wire Interface with ABB Factory-Molded Connector
Wire Assignment: Power (+24 VDC), Ground (0 VDC), Tachometer/Speed Pulse (FG), Speed Regulation (PWM)
Electrical Specifications:
Rated Voltage: 24 VDC
Operating Voltage Range: 14.0 VDC to 27.6 VDC
Rated Current: 4.80 A
Peak Current: 5.76 A
Rated Input Power: 115.2 W
Dielectric Strength: 500 VAC at 50/60 Hz for 1 Minute
Insulation Resistance: Minimum 10 MΩ at 500 VDC
Aerodynamic and Mechanical Specifications:
Nominal Dimensions: 172 mm x 150 mm x 51 mm
Mounting Format: Oval/Round Flanged Housing
Nominal Rotational Speed: 3750 RPM ± 10%
Maximum Airflow: 380.0 CFM (10.76 m³/min)
Maximum Static Pressure: 1.05 in-H₂O (262.0 Pa)
Bearing System: Dual Precision Sealed Ball Bearings
Housing Construction: Heavy-Duty Die-Cast Aluminum with Anti-Corrosive Coating
Impeller Construction: Glass-Fiber Reinforced Thermoplastic (UL 94V-0)
Weight: 840 g
Acoustic Noise Level: 66.5 dBA
Environmental and Reliability Ratings:
Operating Temperature Range: -10 °C to +70 °C
Storage Temperature Range: -40 °C to +75 °C
Expected Service Life (L10): 70,000 Hours at 40 °C Ambient
Motor Protection: Electronic Locked Rotor Protection and Polarity Protection
Regulatory Compliance: UL Recognized, cUL, CE, RoHS
Technical Compatibility and Application:
Technical Compatibility: Form, fit, and electrical compatibility with ABB ACS800, ACS850, and ACS880 series high-power inverter modules and converter enclosures.
Industrial Application Scenario: Optimized for harsh continuous-duty applications including mining conveyors, steel rolling mills, pulp and paper processing, and water utility pumping stations where heavy load cycles generate critical thermal flux within the inverter power block. The high static pressure overcomes filter and heatsink resistance to maintain junction temperatures well below trip thresholds.
Commercial and Logistic Details:
Component Condition: Guaranteed Brand New, Unused Project Surplus
Available Inventory: 60 Units Lot Stock
Lead Time: Immediate dispatch within 24 to 48 hours for global expedited delivery













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