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Delta FFB series high airflow axial fan, dimensions 140×140×50.8mm, 24À DC, equipped with double ball bearings. It is widely used for heavy-duty heat dissipation of inverters, UPS systems and industrial power supplies.
Airflow: 252.11 PCM, Air Pressure: 16.36 mmH₂O, Rotation Speed: 3200 RPM, Courant nominal: 1.37 UN, Niveau de bruit: 58.5 dB.
- Explication du code modèle
| Segment de code | Signification | Description |
| FFB | Série de produits | Delta FFB series industrial axial fan, high-performance cooling type, size 140×140×50.8mm |
| 14 | Dimension | Taille du cadre: 140mm×140mm |
| 24 | Tension nominale | 24À DC (Operating range: 14.0~26.4VDC) |
| V | Performance Grade | Mid-to-high performance. Airflow, air pressure and current are between S (Standard) and H (Hautes performances) versions |
| H | Caractéristique fonctionnelle | Built-in Hall sensor for speed feedback and speed monitoring |
| G | Type de câblage | General wire output, optional 3-wire or 4-wire (with PWM speed control) version |
| -R00/-F00/-EP | Suffix Code | -R00: Version standard; -F00: Long-life version; -PE: Eco-friendly certified version |
- Main Specifications
| Article | Valeur | Remarques |
| Marque | Delta | Renowned manufacturer of industrial fans based in Taiwan, Chine |
| Taper | Brushless DC Axial Fan | Longue durée de vie, low power consumption and high reliability |
| Dimensions | 140×140×50.8mm (14050 format) | Standard industrial mounting size |
| Tension nominale | C.C 24 V | Operating range: 14.0~26.4VDC |
| Courant nominal | 1.37 UN | Max.. pouvoir: environ. 32.88 W |
| Rotation Speed | 3200 RPM | Typical value, measured in free air |
| Airflow | 252.11 PCM (7.139 m³/min) | Maximum airflow in free air |
| Air Pressure | 16.36 mmH₂O (0.644 IN H₂O) | Maximum static pressure at zero airflow |
| Bruit | 58.5 dB-A | Measured at 1m on the air intake side in an anechoic chamber |
| Bearing Type | Double Ball Bearing | Longer lifespan than sleeve bearings, suitable for continuous heavy-load operation |
| Durée de vie | Environ. 50,000 hours @ 25℃ | Typical lifespan for double ball bearings; sur 70,000 hours for long-life version |
| Protection contre la pénétration | IP20 | Basic dustproof, for indoor dry environments |
| Matériel | Impeller & Cadre: UL94V-0 Flame Retardant Plastic | High safety rating for industrial use |
| Lead Wire | UL 1430 AWG #22 | Standard industrial wire, rouge (+) / black (-) color coding |
| Poids | 670 g (23.63 oz) | Robust structural design |
| Certifications | UL, ASC, VDE, RoHS, ATTEINDRE | Compliant with international safety and environmental standards |
- Compatibilité entre marques & Liste de remplacement
| Marque | Modèle équivalent | Caractéristiques | Recommandation de remplacement |
| Delta | FFB1424SHG | 24V, 0.91UN, 2800RPM, 219.73PCM | Slightly lower airflow & actuel, lower noise (54.5dB). Ideal for noise-sensitive applications |
| Delta | FFB1424HHG | 24V, 1.53UN, 3600RPM, 273.09PCM | Higher airflow & actuel, higher noise (61.7dB). Suitable for extreme heat dissipation scenarios |
| Nidec | D08A-24TS3 | 24V, 1.2UN, 3000RPM, 240PCM | Des performances similaires, dimensions identiques, remplacement direct |
| Sanyo | 9GV1424P1G001 | 24V, 1.4UN, 3200RPM, 250PCM | Nearly identical parameters, compatible mounting holes |
| EBM-papst | 4414F/2HH | 24V, 1.3UN, 3100RPM, 245PCM | European brand with higher price, for high-end equipment |
| Sunon | KDE1205PFV3 | 24V, 1.35UN, 3200RPM, 250PCM | Reliable quality with moderate price |
- Full FFB14xx Series Model List
| Modèle | Tension | Actuel | Vitesse | Airflow | Air Pressure | Bruit | Caractéristiques |
| FFB1424SHG | 24V | 0.91UN | 2800RPM | 219.73PCM | 12.84mmH₂O | 54.5dB | Standard performance, faible bruit |
| FFB1424VHG | 24V | 1.37UN | 3200RPM | 252.11PCM | 16.36mmH₂O | 58.5dB | Mid-to-high performance, balanced type |
| FFB1424HHG | 24V | 1.53UN | 3600RPM | 273.09PCM | 19.84mmH₂O | 61.7dB | Haute performance, large airflow |
| FFB1448SHG | 48V | 0.50UN | 2800RPM | 219.73PCM | 12.84mmH₂O | 54.5dB | Standard performance, 48V power supply |
| FFB1448VHG | 48V | 0.77UN | 3200RPM | 252.11PCM | 16.36mmH₂O | 58.5dB | Mid-to-high performance, 48V power supply |
| FFB1448HHG | 48V | 0.77UN | 3600RPM | 273.09PCM | 19.84mmH₂O | 61.7dB | Haute performance, 48V power supply |
| FFB1424VHG-EP | 24V | 1.37UN | 3200RPM | 252.11PCM | 16.36mmH₂O | 58.5dB | Eco-friendly version, RoHS & REACH compliant |
| FFB1424VHG-R00 | 24V | 1.37UN | 3200RPM | 252.11PCM | 16.36mmH₂O | 58.5dB | Standard mass production version |
- Environnement d'application & Guide de sélection
Applications recommandées
Industrial Inverters: Heat dissipation for medium & high-power inverters of ABB, Siemens, Schneider and other brands
UPS Systems: Cooling for core components of uninterruptible power supplies
Servo Drives: Cooling for servo systems of industrial robots and CNC machine tools
Industrial Power Supplies: Heat dissipation for high-power switching power supplies and rectifiers
Serveurs & Centres de données: Cooling for high-density server enclosures, especially edge computing devices
Équipement médical: Heat dissipation for precision devices such as MRI and CT scanners
Transport ferroviaire: Cooling for train control systems and traction converters
Not Recommended Applications
Unprotected Outdoor Areas: Low IP20 rating, vulnerable to dust and moisture
Inflammable & Explosive Zones: No explosion-proof certification, not for chemical, mining and other hazardous locations
Nourriture & Pharmaceutical Clean Rooms: No sanitary certification
Extremely Low Temperature Environments: Operation below -10℃ may affect startup performance and service life
Conseils de sélection
14050 fixed size, choose 24V or 48V power supply;
S/V/H stands for different performance, airflow and pressure increase in sequence;
Double ball bearings ensure long life, Hall sensor enables clear speed monitoring;
Ideal choice for inverters and UPS, stable under high temperature and heavy load.
- Défauts courants & Dépannage
| Phénomène de défaut | Causes possibles | Étapes de dépannage | Solutions |
| Fan not running | 1. Alimentation coupée | 1. Vérifier la tension d'entrée | 1. Rebrancher l'alimentation |
| 2. Motor burnout | 2. Verify wiring connection | 2. Replace with identical fan | |
| 3. Seized bearing | 3. Rotate fan manually to check flexibility | 3. Clean bearing or replace fan | |
| 4. Control circuit failure | 4. Inspect control signals | 4. Repair control circuit | |
| Abnormal speed | 1. Fluctuation de tension | 1. Confirm voltage within 14~26.4V range | 1. Stabilize power voltage |
| 2. Charge excessive | 2. Check for blocked air duct | 2. Clear air duct or use higher airflow fan | |
| 3. Hall sensor failure | 3. Test Hall signal output | 3. Replace fan | |
| 4. Abnormal PWM signal | 4. Inspect PWM signal | 4. Repair PWM circuit | |
| Bruit excessif | 1. Worn bearing | 1. Identify noise source for bearing issues | 1. Replace fan |
| 2. Installation lâche | 2. Tighten mounting screws | 2. Fasten screws | |
| 3. Dust accumulated on blades | 3. Check blades for dust or foreign objects | 3. Clean fan blades | |
| 4. Resonance | 4. Inspect mounting bracket | 4. Add shock-absorbing pads or adjust installation position | |
| Reduced airflow | 1. Dirty blades | 1. Check blade cleanliness | 1. Clean blades |
| 2. Blocked air duct | 2. Inspect air inlet & outlet | 2. Clear air duct | |
| 3. Speed drop | 3. Measure fan speed | 3. Troubleshoot speed issues | |
| 4. Reverse rotation | 4. Check positive/negative wiring | 4. Correct wiring polarity | |
| Shortened service life | 1. Température ambiante trop élevée | 1. Mesurer la température ambiante | 1. Add auxiliary cooling or use high-temperature resistant fan |
| 2. Heavy dust | 2. Check dust prevention measures | 2. Install dust filter | |
| 3. Unstable voltage | 3. Test voltage fluctuation | 3. Stabiliser l'alimentation | |
| 4. Frequent start-stop | 4. Review control logic | 4. Optimize control logic to reduce start-stop cycles |
- Industrial Application Cases
Cas 1: Heat Dissipation Upgrade for Schneider Inverters
A factory frequently encountered overheating alarms on Schneider ATV61 series inverters. The original sleeve-bearing fans had short lifespan and insufficient airflow.
Solution: Replaced with Delta FFB1424VHG double ball bearing fans. Airflow increased by 30% and service life extended to 50,000 heures.
Résultat: Inverter failure rate reduced by 80%; maintenance interval extended from 3 mois à 2 années, saving approximately RMB 12,000 in annual maintenance costs.
Cas 2: Server Cooling Optimization for Data Center
High-density servers in an edge computing data center suffered from overheated CPU and performance degradation due to inadequate original cooling fans.
Solution: Installed 2 sets of 4-wire PWM controlled FFB1424VHG fans at the rear of server enclosures, linked with the server temperature control system.
Résultat: CPU temperature dropped by 12℃, system performance improved steadily by 15%. Energy consumption and noise were also reduced via PWM speed regulation.
Cas 3: Cooling for Medical MRI Scanner
Poor heat dissipation on the power modules of an in-hospital MRI scanner caused frequent downtime and disrupted medical services.
Solution: Adopted customized long-life version (-F00) FFB1424VHG fans and optimized air duct layout for uniform heat dissipation.
Résultat: Equipment operational stability improved by 95%, downtime reduced by 90%. The service life of power modules was prolonged and maintenance costs decreased.
FFB1424VHG is a balanced high-performance industrial fan from Delta FFB series. Featuring large airflow, high air pressure and long service life, il est largement appliqué dans l'automatisation industrielle, power electronics, data centers and other fields.
Select the proper model according to actual requirements on voltage, airflow, noise and service life, together with corresponding suffix versions (-R00/-F00/-EP). Follow installation specifications and perform regular maintenance to achieve optimal cooling performance and maximum service life.
