Explosion Proof Manual Fire Alarm Button
explosion proof manual fire alarm buttonThis type explosion proof manual fire alarm button can be used in supper market, civil building, motor car packing area, basement area, power station, and industry field to send warning signal to master if on f......
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Product Description
explosion proof manual fire alarm button
This type explosion proof manual fire alarm button can be used in supper market, civil building, motor car packing area, basement area, power station, and industry field to send warning signal to master if on fire.
1. 2-bus, non-polarity. Set with one addressable code.
2. Adopts special built in MCU technology.
3. Adopts the E-code method, read/write the address by the coder or controller.
4. With explosion proof function, should work with the LD4800E-A fire telephone handle.
5. Can be manually reset.
6. With a pair of passive normal open contacts (output through the checking device).
Main Technical Specifications:
This type explosion proof manual fire alarm button can be used in supper market, civil building, motor car packing area, basement area, power station, and industry field to send warning signal to master if on fire.
1. 2-bus, non-polarity. Set with one addressable code.
2. Adopts special built in MCU technology.
3. Adopts the E-code method, read/write the address by the coder or controller.
4. With explosion proof function, should work with the LD4800E-A fire telephone handle.
5. Can be manually reset.
6. With a pair of passive normal open contacts (output through the checking device).
Main Technical Specifications:
| Content | Technical Data | |
| Signal indicator light | Normal monitor: green indicator light is flashing. Alarm confirm: red indicator light is lighting on. | |
| Operating voltage | DC 16V~24V(power supply via safety grid) | |
| Operating current | Quiescent current: < 0.5mA | Alarm current: < 1.8mA |
| Capacity of passive contactor | DC30V/0.1A | |
| Operating temperature | -10ºC~55ºC | |
| Relative humidity | ≤ 95% RH(40±2ºC) | |
| Explosion-proof level | Exib II CT6Gb | |
| Parameter of safety cover | Ui=28V. Li=96mA. Ci=120pF. Pi=0.672W | |
| Max. external dimension | 100(W)mm×37.5(D)mm×112(H)mm | |
| Weight | 0.35 Kg±0.01Kg | |
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