Double control light switch circuit

Published:2011/6/28 18:50:00 Author:TaoXi | Keyword: Double control, light switch | From:SeekIC

The double control switch is also called the ganged switch, it can be used in two different places such as the lower and upper stairs or the two ends of the aisle, it can independently control the turn-on or turn-off of the same light. The three connections are as shown in the figure, the S1 and S2 are the 1×2 SPDT switches, they can independently control the turn-on or turn-off of the light E. The connection of figure (b) shows that every switch has the phase line and the zero line of the power supply, so it is easy to install, but you need to pay more attention on the phase line and the zero line's short circuit when you are maintaining it.



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