Core Difference: Below Ambient or Not
Axial and centrifugal fans provide forced ventilation only, swapping hot internal air with outside air, so cabinet temperature is always ≥ ambient. In a 40℃ workshop, no fan can drop it below 35℃. A cabinet AC is closed-loop active refrigeration that moves heat outside via a compressor, holding 25–35℃ inside even at 55℃ ambient.
Key Metrics
| Factor | Industrial Fan | HCK Cabinet AC |
|---|---|---|
| Below ambient? | No | Yes (10–20℃ lower) |
| Dust/oil protection | Open, ingress risk | Closed, clean |
| Heat load range | <300W | 200W–5000W |
| Energy (same cooling) | Low but ineffective | Medium, effective |
Selection Boundaries
- Heat load <200W and ambient ≤35℃: fan + filter suffices.
- Ambient >40℃ or required internal temp >5℃ below ambient: cabinet AC required.
- Dusty/oily sites: prefer closed-loop AC to keep contaminants out.
查看 HCK 机柜空调产品 或 联系昊诚工控 获取选型方案。