Electrically Operated Door Holders

Electronically operated door stops are at the cutting edge of the door parts manufacturing industry. Since 1970, we’ve always offered our customers the very best options when it comes all the door parts we have in stock. That’s why we carry a wide range of electronic door stops. If you want the latest technology for your commercial business, give us a call and speak with a member of our expert sales team.  One of the best manufactures in industry today is LCN, here is the LCN SEM7800 Catalog.

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  1. SEM7820 LCN Electro Magnetic Door Holder

    The SEM7820 LCN Electro Magnetic Door Holder features a metal die cast housing that is surface mounted on the floor. Tri-voltage design works with 12, 24 or 120 volts, with 35 lbs. of holding force. The magnet housing measures 5-1/8" long x 4-9/16" wide and 3-7/16" high. 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". The total projection of both pieces is 6-3/4". Available in an aluminum or dark bronze color.  Armature extensions are available, along with replacement covers, magnets, and armatures.

    LCN Part # SEM7820

    SEM7820-
    As low as $608.09
  2. SEM7850 LCN Electro Magnetic Door Holder

    The SEM7850 LCN Electro Magnetic Door Holder features a metal die cast housing that is surface wall mounted. Tri-voltage design works with 12, 24 or 120 volts, with 35 lbs. of holding force. The magnet housing measures 2-13/16" wide by 4-5/8" high. 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". The total projection of both pieces is 3-5/8". Available in an aluminum or dark bronze color.   Armature extensions are available, along with replacement covers, magnets, and armatures.  Outlet box not included

    LCN Part # SEM7850

    SEM7850-
    As low as $343.71
  3. SEM7830 LCN Electro Magnetic Door Holder

    The SEM7830 LCN Electro Magnetic Door Holder features a die cast metal housing that is surface wall mounted. Tri-voltage design works with 12, 24 or 120 volts, with 35 lbs. of holding force. The magnet housing measures 2-13/16" wide by 4-5/8" high. 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". The total projection of both pieces is 4-1/8". Available in an aluminum or dark bronze color.  Armature extensions are available, along with replacement covers, magnets, and armatures.

    LCN Part # SEM7830

    SEM7830-
    As low as $343.71
  4. SEM7840 LCN Electro Magnetic Door Holder

    The SEM7840 LCN Electro Magnetic Door Holder features a metal die cast housing that is surface wall mounted. Tri-voltage design works with 12, 24 or 120 volts, with 35 lbs. of holding force. The magnet housing measures 2-13/16" wide by 4-5/8" high. 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". The total projection of both pieces is 2-5/8". Available in an aluminum or dark bronze color.  Armature extensions are available, along with replacement covers, magnets, and armatures.  Outlet box not included

    LCN Part # SEM7840

    SEM7840-
    As low as $343.71
  5. SEM7850-828 Armature for LCN Electro Magnetic Door Holder

    SEM7850-828 Armature for LCN Electro 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 2-5/8". Available in an aluminum or dark bronze color.  Armature extensions are available, along with replacement covers, magnets, and armatures.

    LCN Part # SEM7850-828

    SEM7850-828-
    As low as $166.98
  6. 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
    $23.65
  7. SEM7830-516 LCN Magnet Core Assembly

    The SEM7830-516 LCN Magnet Core Assembly is just the Tri Voltage Magnet Core. 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
    $157.25
  8. SEM7840-516 LCN Magnet Core Assembly

    The SEM7840-516 LCN Magnet Core Assembly is just the Tri Voltage Magnet Core. 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
    $157.25
  9. SEM7820-516 LCN Magnet Core Assembly

    The SEM7830-516 LCN Magnet Core Assembly is just the Tri Voltage Magnet Core. This core is used on the Floor Mounted SEM7830.  It has 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

    SEM Parts Manual

    SEM7820-516
    $157.25
  10. SEM-7800-825 Armature for LCN Electro Magnetic Door Holder

    The SEM-7800-825 Armature for LCN Electro Magnetic Door Holder is the door mounted piece for th LCN SEM7820-825 / SEM7830-825 / SEM7840-825 / SEM7870-825 series.  It 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

    SEM7820-825-
    As low as $114.10
  11. SEM7800 LCN Electro Magnetic Door Holder Metal Cover

    The SEM7800 LCN Electro Magnetic Door Holder Metal Cover is constructed of a metal die cast. 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 $86.27
  12. SEM7810-514 LCN Ball Pivot Connection Link

    The SEM7810-514 LCN Ball Pivot Connection Link 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 $33.28
  13. LCN SEM7810 Extensions

    The LCN SEM7810 Extensions are the standard metal extensions used with the LCN SEM magnet door holders to increase the holder projection. The treads on this piece are 3/8-16.  For these to work you must also get the SEM7810-514 Coupler Assembly Kit.  

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

    SEM7810
    As low as $27.19
  14. Rixson Electrically Operated Door Holder 980

    Product Description & Features
    • Concealed Wiring
    • Total Floor Space Required:
    6-5/8" (168mm)
    • Mounting Requirements: Conduit
    connects directly to floor plate
    • UL listed door holder

    GMA980
    $576.08
  15. Rixson Electrically Operated Door Holder 996

    Product Description & Features
    • Total Projection: 4-1/8" (105mm)
    • Mounting Requirements:
    1-1/2" (38mm) deep adapter housing
    • UL listed door holder

    GMA996
    $343.35
  16. Rixson Electrically Operated Door Holder 998

    Product Description & Features
    • Total Projection: 3-5/8" (92mm)
    • Mounting Requirements:
    2" x 4" x 1-3/4" (51 x 102 x 45mm)
    outlet box
    • Wall must be properly reinforced and
    outlet box adequately fastened
    • UL listed door holder

    GMA998
    $325.61
  17. Rixson Electrically Operated Door Holder 990

    Product Description & Features
    • Total Projection: 1-13/16" (46mm)
    • Mounting Requirements:
    2" x 4" x 2-1/2" (51 x 102 x 64mm) outlet box
    • Wall must be properly reinforced and outlet box
    adequately fastened
    • UL listed door holder

    GMA990
    $325.61
  18. Rixson Electrically Operated Door Holder 997

    Product Description & Features
    • Total Projection: 2-5/8" (67mm)
    • Mounting Requirements:
    2" x 4" x 1-3/4" (51 x 102 x 45mm)
    outlet box
    • Wall must be properly reinforced and
    outlet box adequately fastened
    • UL listed door holder

    GMA997
    $325.61
  19. Rixson 998369 Magnet Assembly and Bracket for 998 and 997

    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
    $200.38
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