Product descriptions：
Fan-and-flter units with diagonal fan technology have superior pressure stability and ensure a more constant air throughput. The diagonal direction of outfow ensures more even heat dissipation from the enclosure.
Feature
Material: ABS
Color: RAL7035
Protection category: IP54, foam sealing rubber strip
Fan axial: double row roller ball bearing
Mounting: Screw Fixation
Air troughput：20-55m³/h
| Model | 211151122 | 21220122 | 21115175 | 211220175 |
|---|---|---|---|---|
| Rated operating voltage（V/HZ） | 115/50/60 | 230/50/60 | 115/50/60 | 230/50/60 |
| unimpeded airflowm³/h | 105/120 | 120/128 | ||
| Fan | Shaded pole motor | Shaded pole motor | ||
| Rated curren（A） | 0.25/0.23 | 0.12/0.10 | 0.24/0.23 | 0.12/0.10 |
| Power consumption（W） | 18/15 | 19/14 | 19/15 | 10/14 |
| Dimentions（mm） | 148.5*148.5*28 | 204*204*28 | ||
| Mounting cut-out（mm） | 122*122 | 175*175 | ||
| Noise level（dB） | 36/38 | 43/50 | ||
| Operating temperature range | -10°到+55° | |||
| Accessories | ||||
| Filters | 20000122 | 20000175 | ||
| Thermostat | 71000000 | 71000000 风量190-960m³/h | ||
| Model | 21115223 | 21220223 | 21115292 | 21220292 |
| Rated operating voltage（V/HZ） | 115/50/60 | 230/50/60 | 115/50/60 | 230/50/60 |
| unimpeded airfow m³/h | 190/220 | 960/1020 | ||
| Fan | Shaded pole motor | Shaded pole motor | ||
| Rated current （A） | 0.50 | 0.25 | 0.48/0.55 | 0.25/0.23 |
| Power consumption（W） | 36 | 36 | 41/38 | 35/38 |
| Dimentions（mm） | 225*225*28 | 323*323*28 | ||
| Mounting Cut-out（mm） | 223*223 | 292*292 | ||
| Noise level（dB） | 58/65 | 59/68 | ||
| Operating temperature range | -10°到+55° | |||
| Accessories | ||||
| Filters | 20000122 | 20000175 | ||
| Thermostat | 71000000 | 71000000 | ||
