Stops / Holders | Electrical Holders
Door stops, or door holders, are essential door parts needed within a school, business, or any large building. RBA Door is a leading commercial hardware provider that will help equip you with door stops and door holders. We carry a variety of options to best suit the way you want your door stops to function and appear.
The door holders that we carry are manufactured by reputable name brands such as Burns Manufacturing, Glynn Johnson, Grand Specialties, International, Ives, Rixson and other top names in the industry. You can be sure that their door stops are some of the most highly sought out due to the products’ high-quality performance rates.
We have successfully worked with customers since 1970, and we pride ourselves in providing the best service and selections in the industry. For the past 50 years, we have been dedicated to customer satisfaction with successfully using the products we sell for their projects. Our knowledgeable sales representatives are waiting to speak with you about starting your order for door stops and door holders, so call us today.
Your Online Order of Door Stops
To place an order online, simply browse the door stops and door holders below and choose the style that best fits your application. Click on the product page link of the door stop or door holder to read more details about the finishes and dimensions. Each product page includes photos, available finishes, sizing details, and mounting options so you can select with confidence.
Many of our models are available in multiple finishes to coordinate with your hinges, levers, and other hardware for a clean, consistent look. If you are not sure which style to choose, start by considering where the door stop will be installed and how the door will be used:
- Wall-mounted door stops help protect walls and trim when floor mounting is not practical.
- Floor-mounted options are a popular choice for solid, reliable protection in high-traffic areas.
- Kickdown door holders let you hold the door open quickly with your foot—great for everyday convenience.
- Magnetic style holders offer a stronger hold for doors that need to stay open longer.
Browse Our Wide Selection of Quality Stops and Holders for Your Doors!
To narrow it down, you can check out the product groupings below to find exactly the right door holder for your project. Whether you need a simple floor-mounted stop for a residential door or a heavy-duty holder for a commercial entry, we have options to match your space and budget.
- Floor Door Stops
- Wall Door Stops
- Roller Bumpers
- Overhead Door Stops
- Coordinators
- Electrically Operated Door Holders
- Flush Bolts
- Door Stop Replacement Parts
- Plunger Door Holders
- Kickdown Door Holders
Once you have selected a product, add it to your cart and choose your preferred finish and mounting method. If you have questions about sizing, installation, or which model works best with your door type, contact our team and we will be happy to help you choose the right door stop hardware.
Ask the Door Holder Experts
If you need help deciding between floor-mounted, wall bumpers, or overhead models, our team can guide you based on door type, traffic level, and installation surface. We can also assist with matching finishes to existing hardware and recommending heavy-duty options for commercial spaces.
Are you ready to get started on your door stop project? Add your selected door stops to the cart and check out when you are finished, or contact us for assistance with larger orders.
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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- -
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- -
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- -
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- -
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- -
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- -
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 -
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 -
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
SEM7820-516




















