Single button control on-off relay circuit 2
Source: InternetPublisher:ghaytweyhtoo Keywords: Relay circuit TIMES Updated: 2021/12/10
After the circuit turns off KA and turns on KA next time, the interval required is less than Is. This is because when the time reaches 3 times
the C1 charging time constant r, that is, t=3r=2R2C1 =3×1×l03 X 220x lO- s-o. It takes 66 seconds for
the voltage across the capacitor Cl to rise above 20V.
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