The HD912 series sensors comply with the UL521 and EN 54-5 standards required for fire alarm systems. The HD912-4AR-12 ensures a quick and reliable response when the temperature rises to 57 ° C or a sudden rise in temperature of more than 8.3 ° C:
You can find the product by unique code: HD912-4AR-12.
| Part number | HD912-4AR-12 |
| Detector type | Heat; |
| Wires | 4; |
| Activation temperature | +57°C; Temperature change; |
| Alarm contact | Autoreset; |
| Supply voltage | 12V DC; |
| Power consumption (standby) | 80μA |
| Power consumption (alarm) | 30 mA |
| Working temperature, °C | -10°C - 50°C |
| Size | 100mm (diam.) x 46mm (height) with base |
| Weight | 120g.set with base |
| Certificate | CE; |
