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using an electromagnet to OPEN a small door

Discussion in 'Electrical Engineering' started by Sammy Taylor, Dec 1, 2005.

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  1. Sammy Taylor

    Sammy Taylor Guest


    I'm building a small safe with an electronic strike. When a timer activates,
    the strike releases. I want the door to pop open, and using a spring is
    awkward. I thought a simple electromagnet might work, (activated just AFTER
    the strike releases to prevent pre-load problems.) Can somebody suggest a

    Cheap strong electromagnets seem to be of the U-shaped variety. Can I use
    of these and a permanent magnet to repel each other? (I can't use two
    permanent magnets because the pre-load on the strike can be enough to
    prevent it from opening.)

    Thanks for any help.

  2. cbm5

    cbm5 Guest

    Something wrong with just a normal solenoid?
  3. Most security equipment suppliers will sell this type of equipment (access
    control), at least they do in the UK. Suggest you Google and try and find a
    local supplier.

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