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magnetic door switch normally open

magnetic door switch normally open
  • How does a magnetic door switch work?
    How does a magnetic door switch work?
    2020-08-22

    How does a magnetic door switch work?Magnetic door switches first came into existence at about the year 1934. They are very similar to relays in the way they operate. They are designed to enable the closing of electrical contacts through the influence of magnetic field. But they are not exactly like

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