JBF4102
Two-wire, non-polar, maximum communication distance 1500m, acoustic alarm function, response to both white smoke and black smoke.
| Items | Parameters |
| Working voltage | DC24V (DC19V-DC28V) provided by control panel, modulation type. |
| Monitoring current | <350uA(24V) |
| Alarm current | ≤6mA(24V) |
| Indicator | Flashes in monitoring state, constant on when alarms |
| Sound pressure level | Initial sound pressure is less than 45dB, gradually increases to 58dB |
| Working temperature | -10…+55℃ |
| Storage temperature | -30…+75℃ |
| Relative humidity | ≤93%(40±2℃) |
| Dimensions | Φ100mm×46mm(with base) |
| Addressing method | Use special encoder |
| Protecting area | 60-80m2 |
| Wiring | Two-wire, no polarity |
| Maximum communication distance | 1000m |



