| Unit of measurement | Centro-M 305 max | |
| Connected air duct size | in | 12 |
| Minimum supply voltage | V | 120 |
| Maximum supply voltage | V | 120 |
| Power supply frequency | Hz | 60 |
| Rated power | W | 272 |
| Max Rated Airflow: CFM @ 0.2 in. w.g. | CFM | 890 |
| Rotation speed at 60hz | - | 2320 |
| Sound level | Sones | 6.1 |
| Ingress protection rating | - | IPX4 |
| Ingress protection rating of the drive | - | IP44 |
| Ø D | Ø D1 | B | B1 | L | L1 | L2 | L3 |
|---|---|---|---|---|---|---|---|
| 12” | 15 7/8” | 17 3/4” | 16 5/16” | 10 1/4” | 0 15/16” | 1 3/16” | 1 9/16” |
