Siemens FDO221 Smoke Detector
SIEMENS FDO221 SMOKE DETECTOR
The Siemens FDO221 is a precision-engineered smoke detector designed for reliable fire detection in various industrial and commercial environments. Using the FDnet communication protocol, it offers consistent performance, high accuracy, and robust construction for demanding applications.
Manufacturer: Siemens
Type: Smoke Detector
Model: FDO221
SN: 111206ES43 / A5Q00001565
| Operating Voltage | 12 / 33 V DC |
| Operating Current | 180 / 230 mA |
| External Alarm Indicators | Without sounder base 2, With sounder base 1 |
| Communication Protocol | FDnet |
| Permissible Wind Speed | Max. 5 m/s |
| Protection Degree | IP43 |
| Operating Temperature | -10 / +60 °C |
| Dimensions | 100 x 46 mm |

















