Key facts
- Brand
- AVC
- Model
- Series 21
- Category
- Other
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2011-11-12
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Series 21 Brushless DC Axial Fan Datasheet
The Series 21 brushless DC axial fan is a compact cooling device with a plastic UL 94V‑0 impeller and a die‑cast aluminum frame. It is supplied with UL 1007 AWG #22 lead wires and is available in several part numbers (DB17251_48U, DB17251_48H, etc.) that differ by rated voltage and performance.
Key performance figures include a rated voltage of 48 V, speed ranging from 4 400 RPM to 5 500 RPM, airflow up to 408 CFM, and noise levels around 62–68 dBA. The fan weighs 960 g (33.86 oz) and features optional function types, with dimensions of 72 × 51 mm and a CCW rotational direction when viewed from the front.
AVC Series 21 specifications
| Impeller material | Plastic (UL 94V‑0) |
|---|---|
| Frame material | Diecast Aluminum |
| Weight | 960 g (33.86 oz) |
All AVC Series 21 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
How much does the Series 21 fan weigh?
The fan weighs 960 g (33.86 oz).
What material is the impeller made of?
The impeller is made of plastic meeting UL 94V-0 standards.
What is the rated voltage range for the fans?
The fans operate within a voltage range of 32 V to 80 V.