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Electrically Operated Holder Parts

LCN SEM 7800 Holder Parts
Selling LCN SEM Electro Magnetic Components to Schools and Institutions for the past 40 years.

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  1. LCN SEM7810 Extensions

    LCN SEM7810 Extensions

    These standard metal extensions can be used with the LCN SEM magnet door holders to increase the holder projection. The treads on this piece are 3/8-16.

    LCN Part #'s
    SEM7810-E050 1/2"
    SEM7810-E075 3/4"
    SEM7810-E100 1"
    SEM7810-E200 2"
    SEM7810-E400 4"

    SEM7810
    As low as $36.61
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  2. LCN SEM7810-514 Ball Pivot Connection Link

    LCN SEM7810-514 Ball Pivot Connection Link

    LCN SEM7810-514 Coupler Assembly Kit

    Coupler Assembly Kit, is required for each door needing extension(s). Kit includes coupler link and ball pivot (alone serves as an 1-1/2" extenison). The threaded end is 3/8-16.

    LCN Part # SEM7810-514



    SEM7810-514-
    As low as $42.80
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  3. LCN SEM78000-825 Armature for Magnetic Door Holder

    LCN SEM78000-825 Armature for Magnetic Door Holder

    LCN SEM7820-825 / SEM7830-825 / SEM7840-825 / SEM7870-825 Armature for Magnetic Door Holder

    LCN SEM7820-825 / SEM7830-825 / SEM7840-825 / SEM7870-825 Armature for Magnetic Door Holder features a metal die cast construction armature. The armature (door mount part) is 1-11/16" wide by 2-3/8" high with a 1-7/8" diameter. The armature projects out 1-5/8". Available in an aluminum or dark bronze color.

    LCN Part # SEM7820-825, SEM7830-825, SEM7840-825, and SEM7870-825

    Armature extensions are available, along with replacement covers, magnets, and armatures.

    SEM7820-825-
    As low as $146.73
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  4. LCN SEM7850-515 Magnet Hardware Package

    LCN SEM7850-515 Magnet Hardware Package

    LCN SEM7850-515 Magnet Hardware Package is used to mount the Armature or the Door Mounted part of the Magnetic Door Holders.   If you are currently using LCN door holders, you will not need to purchase this.   However, if you are using another brand and they have gone missing, you will need to purchase this component.

    SEM7850-515
    $28.16
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  5. LCN SEM7830-516 Magnet Core Assembly

    LCN SEM7830-516 Magnet Core Assembly

    LCN SEM7830-516 Magnet Core Assembly

    Tri Voltage Magnet Core only. 35 pounds of holding force at nominal input voltage. Maximum current draw is .020 A @ 24 volt and 120 volt, and .030 A @ 12VDC.

    LCN part number SEM7830-516

    SEM7830-516
    $187.24
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  6. LCN SEM7800 Series Metal Cover

    LCN SEM7800 Series Metal Cover

    LCN SEM7800 Series Metal Cover

    LCN SEM7800 Series Metal Cover is constructed of a metal die cast cover. This cover will work on the SEM7830, SEM7840 and SEM7850. Available in aluminum and dark bronze finishes.

    LCN Part # SEM7830-72, SEM7840-72 and SEM7850-72

    SEM7830-72-
    As low as $110.94
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  7. LCN SEM7840-516 Magnet Core Assembly

    LCN SEM7840-516 Magnet Core Assembly

    LCN SEM7840-516 Magnet Core Assembly

    Tri Voltage Magnet Core only. 35 pounds of holding force at nominal input voltage. Maximum current draw is .020 A @ 24 volt and 120 volt, and .030 A @ 12VDC. Cylinder is 1-3/4" diameter and projects out 7/8" out from the mounting plate.

    LCN part number SEM7840-516

    SEM7840-516
    $187.24
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  8. LCN SEM 7850-828 Armature for Magnetic Door Holder

    LCN SEM 7850-828 Armature for Magnetic Door Holder

    LCN SEM7850-828 Armature for Magnetic Door Holder

    LCN SEM7850-828 features a metal die cast construction armature. The armature (door mount part) is 1-11/16" wide by 2-3/8" high with a 1-7/8" diameter. The armature projects out 2-5/8". Available in an aluminum or dark bronze color.

    LCN Part # SEM7850-828

    Armature extensions are available, along with replacement covers, magnets, and armatures.

    SEM7850-828-
    As low as $214.74
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  9. LCN SEM7820-516 Magnet Core Assembly

    LCN SEM7820-516 Magnet Core Assembly

    LCN SEM7820-516 Magnet Core Assembly

    Tri Voltage Magnet Core only. 35 pounds of holding force at nominal input voltage. Maximum current draw is .020 A @ 24 volt and 120 volt, and .030 A @ 12VDC.

    LCN part number SEM7820-516

    SEM7820-516
    $202.22
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  10. Rixson 998 and 997 Magnet Assembly and Bracket

    Rixson 998 and 997 Magnet Assembly and Bracket

    The Rixson 998 and 997 Magnet Assembly and Bracket is the replacement magnetic coil for the 998 and 997 Rixson Electro Magnetic Holders.

    Rixson Part # 998369

    G998369
    $236.39
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