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2 Simple Earth Leakage Circuit Breaker (ELCB) Explained

The discussed Earth leakage circuit breaker diagrams will silently monitor the electrical condition of your appliances and the Earth connection of your house. Here we will learn 2 designs, first using transistors only and the second using IC LM324. Introduction If anything goes wrong with them it will instantly switch off the mains and stop … Read more2 Simple Earth Leakage Circuit Breaker (ELCB) Explained

220V AC Solid State Relay (SSR) Circuit

In this post we learn how to construct a simple solid state relay or an SSR circuit using a few BJTs, a zero crossing opto coupler and a triac Advantage of Solid State SSR over Mechanical Relays Mechanical type of relays can be pretty inefficient in applications which require highly smooth, very swift and clean … Read more220V AC Solid State Relay (SSR) Circuit

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