| Technical standard | Meet the requirements of GB 19880-2005 |
| Operating Voltage | DC18～26V |
| Monitor current | ≤350uA |
| Alarm current | ≤1.5mA |
| Alarm method | Press the operation panel |
| Confirmation lamp (red) | Flash when running, always on when alarm |
| Line system | Two alarm buses: T+, T- (Non-polar) |
| Operating temperature | -10℃～+55℃ |
| Relative humidity | ≤95% |
| Dimensions (without base) | 88mm×28mm×92mm（L×W×H） |
| Weight | About86g |
| Color | Red |
Wiring diagram for J-SAP-501 Manual fire alarm button base
Wiring instructions
1, 3 terminal: T+, T- alarm bus (non-polarity)
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ICP 11076333-1
Automatic fire 
Electrical fire 
Fire door monitoring 
Fire equipment 
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Emergency broadcast and 