ACI4400HHAU ebm-papst ACI4400HHAU EC Axial Fan | 100-240V AC IP65 Spark-Proof Fan for Refrigeration
The ebm-papst ACI4400HHAU is a spark-proof EC axial fan with 103 CFM airflow, IP65 protection, and 100,000-hour lifespan. Ideal for commercial refrigeration, freezers, and hazardous environments.
Key Features
⚡ Explosion-Proof Safety: Spark-resistant EC motor compliant with ATEX Zone 2 for refrigeration safety.
💧 IP65 Protection: Dust-tight & water-resistant for harsh environments.
📈 Wide Voltage (100-240V AC): Compatible with global power standards.
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The ACI4400HHAU from ebm-papst’s GreenTech ACi4400 series is a high-efficiency, spark-proof EC fan designed for commercial refrigeration, freezers, and potentially explosive environments (ATEX Zone 2). With IP65 sealing, ball bearings, and electronic commutation, it ensures reliable, energy-efficient cooling in demanding applications.
Technical Specifications
| Attribute | Specification |
|---|---|
| Air Flow | 103 CFM (2.88 m³/min) |
| Approval Agencies | CSAus, cURus, ATEX (IEC 60079-15) |
| Bearing Type | Ball Bearing (100,000 Hours @ 40°C) |
| Blade Material | Polyamide (PA), Nylon |
| Brand | ebm-papst |
| Current Rating | 70mA Max |
| Depth | 38mm |
| Direction of Rotation | – (EC Motor, Reversible) |
| EC Motor Type | Electronically Commutated |
| Frame Material | Polybutylene Terephthalate (PBT) |
| IP Rating | IP65 (Dust Tight, Water-Resistant) |
| Lifespan | 100,000 Hours @ 40°C |
| Noise Level | 43 dB(A) |
| Operating Temperature | -40°C to +75°C |
| Power Consumption | 4.5W (Energy-Efficient EC Tech) |
| Rated Speed | 3300 RPM |
| Series | GreenTech ACi4400 (Spark-Proof EC Fans) |
| Speed Control | Analog Input (5-10V DC) |
| Static Pressure | – |
| Termination | 4-Terminal Lead Wires |
| Voltage Range | 100-240V AC (±10%) |
| Weight | 274.88g (0.606 lb) |
| Width/Height | 119mm x 119mm (Square Frame) |
ACi4400 Series – Spark-Proof EC Fans for Hazardous Areas
Series Highlights
✔ ATEX Zone 2 Certified: Safe for refrigeration/freezer units with flammable refrigerants.
✔ Ultra-Long Lifespan: 100,000 hours at 40°C with ball bearings.
✔ Energy Savings: EC motor cuts power use by up to 60% vs. AC fans.
Alternative Models in ACi4400 Series
| Model | Key Differences | Best For |
|---|---|---|
| ACI4400/2HHP | Higher Airflow (120 CFM) | Large refrigeration units |
| ACI4400MLR | Locked Rotor Sensor + Tachometer | Critical cooling monitoring |
| ACI4400L | Low-Noise Variant (38 dB(A)) | Quiet environments |
| ACI4400HH | Extended Temp Range (-50°C to 85°C) | Extreme cold storage |
Applications for ACI4400HHAU
1️⃣ Commercial Refrigeration
Walk-in freezers, display coolers, ice machines.
2️⃣ Hazardous Environments (Zone 2)
Food processing, chemical storage, ATEX-compliant areas.
3️⃣ Medical & Lab Equipment
Blood bank refrigerators, pharmaceutical storage.
Why Choose the ACI4400HHAU?
✅ Safety First: Spark-proof construction meets ATEX/IEC 60079-15.
✅ Low Maintenance: 100K-hour lifespan reduces replacement costs.
✅ Easy Integration: 4-wire terminals for speed control & feedback.
Conclusion
The ACI4400HHAU sets the standard for safe, efficient cooling in refrigeration, with IP65 sealing and ATEX compliance. Compare it to other ACi4400 models for higher airflow or monitoring features.
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