Mechanical time switches with day disk Mechanical time switches with week disk Synchronous time switches without power reserveThe control gear is driven by a synchronous motor so it is dependent on the power supply frequency. If this frequency is unstable, the devices cannot be used. In the event of a power failure, the time switch will stop. Quartz-clock time switches with power reserveA quartz electronic circuit supplies the drive with a stabilized frequency so that the time switch is not dependent on the power supply frequency. In the event of a power failure, the time switch continues to operate on its power reserve. |
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