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High performance, centrifugal fans (double ear)
• Standard serie according to R20 and DIN 24155
• Controllable speed 0-100% through electronic control or auto-transformer
• Direct external rotor motor protected against thermal contact
• Impellers balanced statically and dynamically according to VDI 2060, type 2,5
• Aluminium turbine DHAD, plastic turbine DHPAD PA 6,6 with 30% of fiberglass
• Very low noise level
• Specially indicated for ventilation of polluted areas due to the self-cleaning property of the turbine
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| Model | Intens. Amp | Power Kw | Speed RPM | Airflow m³/h | Pressure max. Ä Pa | Price €/Ut. |
 DRAE 180-4B | 1,40 | 0,33 | 1080 | 1850 | 230 | 415 € |
| DRAE 225-4 | 3,25 | 0,73 | 950 | 2700 | 300 | 680 € |
| DRAE 225-4 | 3,25 | 0,73 | 950 | 3150 | 300 | 668 € |
| DRAE 250-4 | 5,15 | 1,15 | 1080 | 3900 | 390 | 720 € |
| DRAE 250-6 | 2,60 | 0,53 | 900 | 3500 | 180 | 720 € |
| DRAE 280-4 | 10,20 | 2,30 | 1360 | 5800 | 460 | 1.406 € |
| DRAE 280-6 | 5,15 | 1,12 | 820 | 5600 | 240 | 1.143 € |
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| Model | Intens. Amp | Power Kw | Speed RPM | Airflow m³/h | Pressure max. Ä Pa | Euros/Ut price |
| DRAD 224-4B | 1,50 | 0,87 | 1210 | 3500 | 390 | 473 |
| DRAD 225-4 | 1,55 | 0,80 | 1130 | 3300 | 330 | 633 |
| DRAD 250-4 | 2,95 | 1,60 | 1200 | 5300 | 390 | 745 |
| DRAD 250··6 | 1,40 | 0,54 | 850 | 3400 | 190 | 745 |
| DRAD 280-4 | 4,40 | 2,60 | 1280 | 7200 | 510 | 1.128 |
| DRAD 280-4K | 3,70 | 2,10 | 1160 | 6000 | 540 | 904 |
| DRAD 280-6 | 2,20 | 1,10 | 770 | 5000 | 240 | 904 |
| DRAD 315-4 | 8,90 | 4,80 | 1350 | 10100 | 620 | 1.364 |
| DRAD 315-6 | 3,70 | 2,10 | 780 | 9000 | 290 | 1.209 |
| DRAD 355··4 | 14 | 8 | 1275 | 12500 | 860 | 1.295 |
| DRAD 355-4K | 10 | 5 | 1380 | 10000 | 880 | 2.111 |
| DRAD 355-6 | 5,20 | 2,95 | 790 | 10500 | 400 | 1.384 |
| DRAD 400··4 | 19 | 11 | 1300 | 15500 | 1150 | 2.567 |
| DRAD 400-6 | 10 | 5,30 | 845 | 14100 | 500 | 2.804 |
| DRAD 400-8 | 7,50 | 3,90 | 640 | 15000 | 290 | 2.507 |
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