Description
The Delta FFB0924EHE-F00 (also known as FFB0924EHEF00) is a high-static-pressure DC brushless tubeaxial cooling fan measuring 92 x 92 x 38 mm (3.62 x 3.62 x 1.50 in). Driven by a 2-phase, 4-pole motor operating at 24 VDC, it delivers up to 110.18 CFM (187.2 m³/h) of airflow and 0.665 in H₂O (165.7 Pa) static pressure at a nominal speed of 4800 RPM. Constructed with flame-retardant UL 94V-0 plastic housing and impeller, the unit incorporates dual precision ball bearings for extended mechanical life. Standard integration features include an open-collector frequency generator (tachometer) output lead, reverse polarity protection, and automatic locked-rotor overcurrent shutdown.
Key Features
- High Aerodynamic Pressure: Generates 0.665 in H₂O static pressure and 110.18 CFM airflow through high-impedance thermal chassis.
- Dual Ball Bearings: Heavy-duty dual ball bearing system delivers an L10 life expectancy of 70,000 hours at 40°C.
- Integrated Frequency Generator: Third-wire open-collector tachometer signal provides real-time rotational speed feedback to host controllers.
- Comprehensive Motor Protection: Integrated circuitry safeguards windings through locked-rotor automatic current shutdown and reverse polarity defense.
- Flame-Retardant Construction: UL 94V-0 grade glass-fiber reinforced plastic housing and impeller ensure industrial safety compliance.
Technical Specifications
| Manufacturer | Delta |
|---|---|
| Manufacturer Part Number (MPN) | FFB0924EHE-F00 |
| Alternate Part Number | FFB0924EHEF00 |
| Product Series | FFB Series |
| Product Category | DC Axial Fans |
| Fan / Component Type | DC Tubeaxial Fan |
| Phase & Supply Type | 2-Phase, 4-Pole DC Brushless |
| Rated Voltage | 24 VDC |
| Operating Voltage Range | 14.0 to 27.6 VDC |
| Rated Current | 0.50 A |
| Max. Current Draw | 0.75 A |
| Power Rating | 12.00 W |
| Max. Input Power | 18.00 W |
| Speed (RPM) | 4800 RPM |
| Airflow | 110.18 CFM (187.2 m³/h / 3.120 m³/min) |
| Min. Airflow (Limit Spec) | 99.23 CFM (168.6 m³/h / 2.810 m³/min) |
| Static Pressure | 0.665 in H₂O (165.7 Pa / 16.90 mmH₂O) |
| Min. Static Pressure (Limit Spec) | 0.539 in H₂O (134.3 Pa / 13.69 mmH₂O) |
| Noise Level | 55.0 dB(A) |
| Max. Noise Level | 59.0 dB(A) |
| Airflow Direction | Air Exhaust over Struts (Directional Airflow) |
| Direction of Rotation | Clockwise (Looking at Nameplate/Rotor Side) |
| Dimensions (L × H × D) | 92.0 × 92.0 × 38.0 mm (3.622 × 3.622 × 1.496 in) |
| Mounting Hole Pitch | 82.5 ± 0.3 mm (3.248 ± 0.012 in) |
| Mounting Hole Diameter | 8 × Ø4.5 ± 0.3 mm (8 × Ø0.177 ± 0.012 in) |
| Frame Flange Thickness | 4.0 ± 0.3 mm (0.157 ± 0.012 in) |
| Housing Material | Plastic (UL 94V-0) |
| Impeller Material | Plastic (UL 94V-0) |
| Bearing Type | Two Ball Bearings |
| Weight | 0.198 kg (0.437 lbs / 198 g) |
| Termination & Cable Specs | 3 Lead Wires, 315.0 ± 10.0 mm (12.40 ± 0.39 in), UL 1007 AWG #24 |
| Wiring Pinout / Connection | Black = Negative (-), Red = Positive (+), Blue = Tachometer / Frequency Generator (-F00) |
| Control / Signal Features | Tachometer Output (Frequency Generator, Open-Collector, Vce 0.5V Max, Ic 5mA Max) |
| Motor Protection | Locked Rotor Protection (Windings Withstand 96h Locked at Rated Voltage), Reverse Polarity Protection |
| Over Current Shutdown | Automatic Current Shutdown upon Locked Rotor Condition |
| Insulation Class | UL Class A |
| Insulation Resistance | 10 MΩ minimum at 500 VDC (between frame and positive terminal) |
| Dielectric Strength | 5 mA maximum at 500 VAC 60 Hz for 1 minute (between frame and positive terminal) |
| External Enclosure Type | Open Type |
| Operating Temperature | -10 to +60 °C (14 to 140 °F) |
| Storage Temperature | -40 to +75 °C (-40 to 167 °F) |
| Operating Humidity Range | 0 to 90 % RH |
| Storage Humidity Range | 5 to 95 % RH |
| Service Life (L10) | 70,000 Hours Continuous Operation at 40 °C (15 to 65 % RH) |
| Standards & Compliance | CE, CSA, UL, VDE, RoHS3, Free of Ozone Depleting Substances |
Applications
The Delta FFB0924EHE-F00 is deployed in high-density telecommunication rectifiers, industrial inverter drives, and high-performance server power distribution units where dense component arrangements create severe static backpressure. Its compact 92 mm envelope makes it suitable for modular automation enclosures, robotics controllers, and medical imaging workstations requiring sustained, uninterrupted forced-air convection. Plant maintenance teams and OEM engineers also specify this unit as a direct replacement component within CNC machine interface panels, uninterruptible power supplies (UPS), and telecom base station transmission modules.
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