MCM Electronics

Normally Closed Magnetic Switch

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    Normally Closed Magnetic Switch

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    82-13865 - Alarm Switch Screw Terminals 3/4" Gap - Brown

    …basic sensors of any alarm system is a door and window Surface Mount Magnetic Contact Switch. This type of contact switch is for normally closed circuits; this means that the when the magnets are lined up, the switch is closed. This type of setup is ideal for monitoring doors, windows, and sliding…

    Mfr Name: Seco-larm

    Mfr Number: SM-200Q/BR

    In Stock

    $1.99

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    82-13880 - Recessed Alarm Switch Brown Stubby Switch And Magnet

    Normally closed magnetic contacts with a short 3/4" switch.

    Mfr Name: Seco-larm

    Mfr Number: SM-207-5Q/BR

    In Stock

    $2.39

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    26-5245 - Magnetic Alarm Reed Switch

    * SPDT NO or NC Magnet * Normally Closed & Normally Open

    Mfr Name: NTE Electronics

    Mfr Number: 54-627

    In Stock

    $6.17

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    82-13881 - Recessed Alarm Switch White Stubby Switch And Magnet

    Normally closed magnetic contacts with a short 3/4" switch.

    Mfr Name: Seco-larm

    Mfr Number: SM-207-5Q/W

    In Stock

    $2.39

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    82-13866 - Alarm Switch Screw Terminals 3/4" Gap - White

    …basic sensors of any alarm system is a door and window Surface Mount Magnetic Contact Switch. This type of contact switch is for normally closed circuits; this means that the when the magnets are lined up, the switch is closed. This type of setup is ideal for monitoring doors, windows, and sliding…

    Mfr Name: Seco-larm

    Mfr Number: SM-200Q/W

    In Stock

    $2.19

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    82-13868 - Alarm Switch Screw Terminals 2-3/4" Gap - Gray

    The SECO-LARM Wide Gap Magnetic Contact is a 2 3/4 inch magnet for normally-closed circuits. Perfect for loose-fitting door and windows, steel doors and other applications where wide gaps are found.

    Mfr Name: Seco-larm

    Mfr Number: SM-216Q/GY

    In Stock

    $5.29

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    82-13867 - Alarm Switch Screw Terminals 2-3/4" Gap - Brown

    The SECO-LARM Wide Gap Magnetic Contact is a 2 3/4 inch magnet for normally-closed circuits. Perfect for loose-fitting door and windows, steel doors and other applications where wide gaps are found.

    Mfr Name: Seco-larm

    Mfr Number: SM-216Q/BR

    In Stock

    $5.79

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    82-13883 - Recessed Alarm Switch White Stubby Switch And Magnet

    Normally closed magnetic contacts with a short 3/4" switch.

    Mfr Name: Seco-larm

    Mfr Number: SM-207-5LQ/W

    In Stock

    $2.39

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    82-21270 - Aluminum Surface Mount Switch Set (Closed Loop - Normally Open)

    The 4532 is a miniature, low-profile reed switch in cast aluminum for durability in harsh environments. The 4532 features 2 feet of heavy-duty armored cable for protection from the elements and a versatile universal magnet which can be mounted at various angles for those difficult installations.

    Mfr Name: George Risk Industries

    Mfr Number: 4460A

    In Stock

    $11.99

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    82-030 - Overhead Garage Door Contact

    These garage door contacts for closed circuits are used for systems that expect a closed circuit when the magnet and sensor are together. When the magnet and sensor separate, the circuit opens. Switch contacts, which are normally open, close when the door is in the closed position.

    Mfr Name: Seco-larm

    Mfr Number: SM-226L

    Discontinued(View Substitutes)

    $9.99

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