| Technical standard | Meet the requirements of GB 26851-2005 |
| Operating Voltage | DC18V～26V |
| Monitor current | T+ 、T- ≤350uA； DC24V ≤410uA |
| Alarm current | T+ 、T- ≤1.5mA； DC24V ≤50mA |
| Sound level | 75dB～85dB |
| Line system | Two alarm buses T+, T- (with polarity) Two power bus 24V, GND (with polarity) |
| Installation method | Exposed wall mounting |
| Operating temperature | -10℃～+55℃ |
| Relative humidity | ≤95% |
| Dimensions | 88mm×41mm×88mm（L×W×H） |
| Weight | About 92g |
Wiring diagram for SM5Ei Fire audible and visual alarm base
Wiring instructions
1, 3 terminal: T+, T- alarm bus (with polarity)
2, 4 terminal: 24VDC power (with polarity)
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ICP 11076333-1
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