Controlled Outlet
Using a house fire alarm to shut-off a power outlet. The circuit uses transistors in a latching fashion, such that anything can happen to the fire alarm, it can stop or burn, the circuit will remain activated, meaning the power outlet will not be conducting. Until the user comes and reset the unit. The circuit uses a photo-isolator between the fire alarm and the circuit, 3 transistors and a relay for the power outlet. The photo-isolator ensure that any voltage spike from the fire alarm will not cause further harm to the circuit, in case the fire alarm short circuit or burn for example.
Circuit will work up to 264VAC 16A when used with the RZ03-1A4-D012 relay and the RAC03-12SK transformer.
Fire alarm need to be a "hardwired" (no battery) with an interconnect. I used the "First Alert" model BRK-9120B
Controlled Outlet
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