/ Product catalogue / Commercial and industrial ventilation / Inline fans / For round ducts / KSD / KSD 315/250x2 S-4E
| Unit of measurement | KSD 315/250x2 S-4E | |
| Connected air duct size | mm | 250/315 |
| Phases | - | 1 |
| Minimum supply voltage | V | 230 |
| Maximum supply voltage | V | 230 |
| Power supply frequency | Hz | 50 |
| Rated power | W | 1066 |
| Unit current | A | 4.78 |
| Maximum airflow | m³/h | 3930 |
| Rotation speed at 50hz | - | 1455 |
| Sound pressure level LpA at 3 m | dB(A) | 47 |
| Weight | kg | 38 |
| Transported air temperature (max) | °С | 50 |
| Transported air temperature (min) | °С | -20 |
| Ingress protection rating | - | IPX4 |
| Impeller material | - | Galvanized steel |
| Trademark | Vents |
| Model | KSD 315/250x2 S-4E |
| Type of drive installed | External MSD or VSD |
| Type of heat recovery system | None |
| Nominal external pressure (Pa) | 201 |
| Maximum external leakage rates (%) | 2.7 |
| Static efficiency (%) | 22.6 |
| Declared typology | NRVU UVU |
| Effective electric power input (kW) | 0.75 |
| Sound power level (dB(A)) | 67 |
| ∅D | ∅D1 | ∅d | B | B1 | B2 | B3 | H | H1 | H2 | H3 | H4 | L | L1 | L2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 313 | 248 | 20 | 650 | 610 | 188 | 465 | 530 | 367 | 186 | 346 | 567 | 735 | 635 | 570 |
