Function 41-549 is a ceiling-mounted PIR presence detector for HVAC control with 360-degree coverage over roughly 38 m2 from a 4 m mounting height. It switches a potential-free relay on a 24 V supply with a minimum on-time of 5 seconds and a maximum duty cycle of 60 minutes. The white thermoplastic housing suits surface mounting for demand-based ventilation, heating and lighting control.
| Manufacturer part number (MPN) | 41-549 |
| EAN / GTIN | 5703102204547 |
| HS code | 8536.90 |
| Sales unit | pcs |
| Package quantity | 72 pcs |
| Voltage | 24 V |
| Mounting method | Surface mounted |
| Colour | White |
| Model | Movement sensor |
| Material quality | Thermoplastic |
| Max. reach frontally | 12 m |
| Max. reach sideways | 12 m |
| Material | Plastic |
| Diameter reach on floor | 12 m |
| Mounting height | 4 m |
| RAL-number (similar) | 9010 |
| Min. switch-on time | 5 s |
| Max. duty cycle | 60 min |
| IFTTT support available | No |
| Compatible with Apple HomeKit | No |
| Compatible with Google Assistant | No |
| Compatible with Amazon Alexa | No |
| Sensor type | Passive infrared |
| Surface finishing | Matt |
| Country of origin | Denmark |
| MOQ | 1 |