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What are the different types of reed switches available ?

April 26, 2017different Reed switches types

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What are the different types of reed switches available ?

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The basic reed switch is a normally open, form A contact. A normally closed, form B contact is provided by biasing the form A with a permanent magnet, and another magnet of opposite polarity needs to be used to actuate it. A form C or a form D contact can be made by combining a form A contact and a form B contact in the same operating coil. The form B, C and D contacts made in this manner have the same characteristics as the basic form A.