Description
Delta FFB1424SHG Industrial DC Axial Cooling Fan,Original Engineering component designed for high-demand thermal dissipation in heavy-duty industrial automation, variable frequency drives (VFDs), and power conversion systems.
Model Architecture and Decoding:
Series Code: FFB Series (High Airflow and High Static Pressure DC Fan)
Frame Size: 140 mm x 140 mm
Depth: 38 mm
Rated Voltage: 24 VDC
Speed Classification: SH (Super High Speed)
Bearing Architecture: G (Precision Dual Ball Bearing System)
Technical Specifications:
Manufacturer: Delta Electronics
Part Number: FFB1424SHG
Rated Voltage: 24 VDC
Operating Voltage Range: 14.0 VDC to 26.4 VDC
Rated Current: 2.30 A
Input Power: 55.2 W
Nominal Speed: 4400 RPM (±10%)
Maximum Airflow: 269.5 CFM (7.63 m³/min)
Maximum Static Pressure: 28.5 mmH2O (279.5 Pa)
Acoustic Noise Level: 61.5 dBA
Bearing System: Dual Precision Ball Bearings
Frame Material: Reinforced PBT Plastic (UL 94V-0 Rated)
Impeller Material: Reinforced PBT Plastic (UL 94V-0 Rated)
Termination: UL 1007 AWG #24 Lead Wires
Rotation Direction: Counter-Clockwise viewing from front impeller
Motor Protection: Electronically Commutated, Locked Rotor Protection, Reverse Polarity Protection
Dielectric Strength: 500 VAC for 1 minute between frame and terminals
Insulation Resistance: 10 MΩ minimum at 500 VDC
Operating Temperature: -10 °C to +70 °C
Storage Temperature: -40 °C to +75 °C
Operating Humidity Range: 5% to 90% RH
Lifecycle Expectancy (L10): 70,000 Hours at 40 °C continuous operation
Weight: 470 g
Compliance: UL, cUL, TUV, CE, RoHS
Industrial Application and Failure Prevention:
High-power inverters and VFD enclosures generate intense thermal loads across IGBT switching modules and internal bridge rectifiers. Standard cooling units frequently fail under the high static backpressure created by densely packed filter banks and heatsinks. The Delta FFB1424SHG produces 28.5 mmH2O of static head pressure to push high-velocity laminar air directly through dense thermal fins. This continuous cooling performance prevents thermal throttling, catastrophic junction breakdown, and unplanned production line stoppages in harsh factory automation environments.
Integration and Supply Chain Details:
Technical Compatibility: Form, fit, and functional drop-in replacement for industrial inverters, servo drives, uninterruptible power supplies (UPS), and CNC control cabinets requiring a 140 x 140 x 38 mm 24V cooling array.
Original Engineering: Authentic manufacturer build ensures factory-calibrated dynamic balancing, reduced electromagnetic interference (EMI), and verified operating lifetime.
Lead Time: Stocked for global industrial distribution with expedited Lead Time options to support time-critical MRO requirements.










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