| Electrical Specification |
| Operating Voltage |
9.5V – 28V DC |
| Quiescent current |
20 mA |
| Alarm current |
60 mA |
| Detector angular tolerance |
± 0.5° |
| Reflector angular tolerance |
± 5° |
| Current at radiation beam interruption |
< 0.3 mA |
| Operating distance range for RE-428FR reflector |
5 m to 50 m |
| Operating distance range for RE-428HR reflector |
5 m to 100 m |
| Sensitivity thresholds |
18%, 30%, 50% |
| Power supply of laser target viewfinder (during alignment) |
9 V (6F22) battery |
| Operating temperature range |
‐25°C to 55°C |
| Storage temperature |
-25°C to 60°C |
| Relative humidity |
up to 95% at 40° C |
| Dimensions |
128 x 79 x 84 mm |
| Ip Rating |
IP 50 |
| Mass |
0.35 kg |
Note: RE-428 Series Beam detector can be used for both conventional and addressable Fire Alarm System. In case of addressable system suitable RE-717ZM (Zone Interface Module) to be incorporated for each detector.