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1000-98LV BMS: 3 1/2″ OHD DPST Balanced Magnetic Switch

The 1000-98LV BMS High Security Magnetic Contact is a 3 1/2″ long heavy duty over head door contact that comes with a substantial 2 3/4″ wide gap to prevent false alarms on OHD doors with a sloppy fit. This magnetic contact has two CC door switches and one OC magnetic tamper switch when magnet is present. The switch has six color coded wires and the rare earth magnet has a universal mount L-Bracket. Armored cable, 18″ long, and epoxy sealed electronics make it impervious to harsh environments. Provide your customers more than just a door switch, give them time tested inexpensive Flair high security contacts with built in magnetic tamper.

  • Specifications

    Part Number

    1000-98LV BMS

    Circuit Configuratiion

    High Security Balanced Magnetic Switch (BMS)

    Custom Options

    Call for custom options such as longer length armored cable and wire, resistors or other requirements


    Urethane potted for maximum protection of electrical components and resistance to harsh environment

    Electrical Rating

    Maximum 100 VDC, 50 ma. 10 W


    1″ to 2 3/4″

    Lead Length

    Six 26″ #22 AWG Wire Leads, 18″ Armored Cable

    Loop Type (with magnet present)

    Two CC Door Switches, OC Magnetic Tamper


    Floor Mount Switch and L-Bracket Magnet, Screws


    3 1/2″ L x 2 1/2″ W x 5/8″ H


    Wire Leads

    Ul Rating

    UL 634 Magnetic Contact (Not Level I nor II)




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