| Manufacturer part number (MPN) | NSY17991 |
| EAN / GTIN | 3606480169397 |
| Sales unit | pcs |
| Package quantity | 4 pcs |
| Range | ClimaSys |
| Product name | ClimaSys CV |
| Product or component type | EMC fan |
| Type of filter | Standard |
| Flow rate | Free flow rate: 156 m3/h at 50 Hz |
| Input voltage | 230 V 50/60 Hz |
| Height | External: 252 mm |
| Width | External: 252 mm |
| Depth | External : 97 mm |
| Cut-out dimensions | 224 x 224 mm |
| Material | Outlet grille: ABS (acrylonitrile butadiene-styrene); Frame of axial motor: steel; Gasket: berylium |
| Colour | Outlet grille: grey (RAL 7035) |
| IP degree of protection | IP54 |
| Device composition | 1 axial motor; 2 protective grille: on the front and rear surfaces; 1 filter: front of axial motor; 1 EMC outlet grille: front; 1 gasket: between fan and enclosure |
| Number of Units in Package 1 | 1 |
| Number of Units in Package 2 | 80 |
| Country of origin | DE |
| Warranty (in months) | 18 |
| Mounting method | Snap mounting |
| RAL-number | 7035 |
| Voltage type | AC |
| Suitable for 19 inch rack mounting | No |
| Number of fans | 1 |
| EMC-version | Yes |
| Degree of protection (IP) | IP54 |
| With protective cover | Yes |
| With filter | Yes |
| Rated power | 20 W |
| Roof fan | No |
| Built as slide-in fan | Yes |
| Volume flow, freeblowing | 130 m³/h |
| Air circulator | Yes |
| Suitable for wall built-in | No |
| Noise emission | 50 dB(A) |