Magnetic Switches

    Oct. 6, 2005
    Targeted for speed sensing and positioning, these magnetic proximity switches detect magnets up to 2 in. away.

    The switches are offered with dry contact, npn, and pnp outputs in 0.5, 1, and 3-A ratings, and may have up to three contacts in a single housing. Adjustable sensitivity allows switches to "see" through various materials eliminating sidewall holes. Switches possess an extended operating temperature range from 200 to 250°C. A bistable unit follows the magnetic polarity: on for south, and off for north, while others sense only specific magnetic polarity.

    Hoyt Electrical Instrument Works Inc., 23 Meter St., Box 8798, Pena-cook, NH 03303, (603) 753-6321, hoytmeter.com

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