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Reed switches are a special kind of electrical switch which is actuated by magnetism. The most common type features two thin, flexible, ferromagnetic metal wires or blades - the reeds - positioned slightly apart in a hermetically sealed glass bubble. These function as the reed switch contacts. It should also be noted that the change-over type has three reeds instead of two.



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Reed Switches, Magnetic Reed Sensor Switch | RS

Reed Switches

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Assemtech Reed Switches