Modified Time Clock Switch
Published in issue 316, December 2002
It doesn’t take a lot of effort to convert an electromechanical time clock switch into a simple time switch, and it can be done quite simply. All you have to do is open the case and disconnect the series resistor for the motor from the switch contact. Next, use a length of insulated wire to reconnect it to the other side of the switch contact. The difference between the two versions is shown in the figure.
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Click below to download a PDF copy of this article from Elektor magazine. Please note. In view of the complexity of international markets, Elektor cannot guarantee the availability of components for this project.
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