Voltage Cut Off Circuit Using Time Delay

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Voltage Cut Off Circuit Using Time Delay

This is a design for protection voltage. This circuit is called as high and low voltage cut off. The circuit is using time delay for cut off the voltage. This is a low cost and reliable circuit for protecting such equipments from damages. This is the figure of the circuit.
Whenever the power line is switched on it gets connected to the appliance only after a delay of a fixed time. If there is hi/low fluctuations beyond sets limits the appliance get disconnected. The system tries to connect the power back after the specific time delay, the delay being counted from the time of disconnection. […]
Source: http://www.zimbio.com/Power+Supply+Circuits/articles/KG_pDvie35Y
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