| 摘要 |
<p>The extinguisher comprises, in principle, a cylinder that contains an extinguishing agent and a head for controlling pressure and dispensing the extinguishing material. It is characterized in that it comprises an electrical circuit (1) with at least one activator contact (4) associated with the pressure of a small chamber inside the head (2), such that when this pressure reaches at least a preset minimum value the circuit (1) is closed and a signal connected to the electrical circuit (1) is maintained in the active state, the electrical circuit being powered by batteries, a storage battery or even the actual electric mains or the like.</p> |
