Sentronic

RBA Door provides a large range of LCN Sentronic systems and accessories to customers in the United States and Canada. Explore the breakdown of the 4040SE, the 4310ME and the 4410ME Series and find the correct replacement part for your unit. You can also order the Sentronic LCN 4310HSA and the Sentronic LCN 4410HSA from our website.

We also have an entire selection of Sentronic LCN parts for these closers. For the 4010SE or 4110SE Sentronic door closer, the track assembly can be replaced with the 4040SE-3038. If you are looking for a new arm, please give us a call. The 4040SE-3077T will not work with the 4010SE or 4110SE.

We Supply Sentronic LCN Door Closers

We provide a space to read up on some of the Sentronic LCN products below. Please visit our product pages to gather further information about these items.

LCN 4040SE Sentronic Door Closer

The Sentronic LCN 4040SE allows the option to choose an LCN 4040SE 24 volt Sentronic door closer or an LCN Sentronic 4040SE 120 volt closer. Choose either the LCN 4040SE 24 volt Sentronic door closer or the 120 volt from our Voltage dropdown menu on our LCN 4040SE Sentronic Door Closer product page.

Whether you choose the 120 volt or the LCN 4040SE 24 volt Sentronic door closer, both of these options meet the regulations of the NFPA 101 Life Safety Code and ANSI/BHMA. In either voltage, the LCN 4040SE Sentronic Door Closer is UL listed as appropriate for fire labeled and smoke barrier doors.

The LCN 4040SE Sentronic Door Closer is non-handed and can be surface mounted on either the pull side or push side of a door. It can be used to replace the older versions such as the Sentronic LCN 4110SE and the Sentronic LCN 4010SE.

Sentronic LCN 4310HSA And 4410HSA

The Sentronic LCN 4310HSA and the Sentronic LCN 4410HSA both comply with the NFPA 101 Life Safety Code and ANSI/BHMA regulations. They were made with the purpose of being installed in facilities with high volumes of traffic.

These electronic closers both have a Sentronic LCN HSA Scanner that will pick up on individuals walking through the doorway. The LCN Sentronic hold open mechanism will come into play every time the door is open 80 degrees and will keep the door open until everyone passes through.

These can be applied to either right-handed or left-handed doors. The Sentronic LCN 4310HSA should be surface mounted to the pull side of the door with a single lever arm. The Sentronic LCN 4410HSA should be surface mounted on the door’s push side with a regular arm.

LCN Sentronic Door Closer 4310ME And 4410ME

The LCN Sentronic Door Closer 4310ME and the Sentronic LCN Door Closer 4410ME are UL listed as appropriate for use on both smoke barrier and fire labeled doors. These LCN Sentronic closers both comply with ANSI/BHMA regulation codes. Plus, they adhere to the set of standards for the NFPA 101 Life Safety Code. 

Both the 4310ME and 4410ME LCN Sentronic closers have an on and off switch to control the LCN Sentronic hold open function. They are built from cast iron and can be used on either left-handed or right-handed doors.

The main difference between the two products is their mounting style. The LCN Sentronic Door Closer 4310ME should be surface mounted to the pull side of the door with a swing-free arm. The Sentronic LCN 4410ME should also be surface mounted to the door but on the push side with a regular arm. 

Our Selection Of LCN Sentronic Parts

Be sure to take a look at our selection of Sentronic LCN hardware. Our supply of Sentronic LCN hardware includes but is not limited to arms, covers, on/off switches and transformers.

Sentronic LCN Closer Arms

We carry the 4110SE-3077T, the 4010SE-3077T, the 4040SE-3077T, the 4310ME-3077SF and the 4410ME-3077 Regular arms. We hope the details below will help you understand which Sentronic LCN arm will work with a specific closer.

The 4110SE-3077T Arm can only go with the 4110SE and the 4010SE-3077T Arm can only go with the discontinued 4010SE. The 4040SE-3077T Arm can only go with the 4040SE. The 4310ME-3077SF Arm should be used on the 4310ME and the 4410ME-3077 Regular Arm should be used on the 4410ME closer.

Please select which color you would like for the arm of your choosing. You can make your selection in the Color dropdown menu on the product page. The options are dark bronze and aluminum.

Closer Covers 

We carry the Sentronic LCN 4310ME-72MC Cover which is a metal cover that can be used as a replacement part on the Sentronic LCN 4310ME Closer. We also sell the Sentronic LCN 4410ME-72MC Cover, a metal cover for the Sentronic LCN 4410ME Closer. Pick your preferred color and hand (right or left) from the dropdown menus.

On/Off Switches

We distribute three styles of Sentronic LCN on/off switches. Take your pick from the 4040SE-3436 On/Off Switch, the 4310ME-3351 On/Off Switch Assy and the 4410ME-3351 On/Off Switch Assy. For the 4310ME-3351 and the 4410ME-3351 On/Off Switches, you will need to specify 24 or 120 volts when ordering from our site.

Other Sentronic LCN Closer Parts

Aside from a few of the aforementioned parts, we have a handful of other LCN Sentronic 4040SE parts that you can order. For example, the Track Assy 4040SE-3038 is a replacement track for the 4040SE, the 3130SE, the 4010SE and the 4110SE closers. 

With this part, you have the option to select either the 120 volt or LCN 4040SE 24 volt Sentronic door closer. You also have the option to select which color you like best.

The 4040SE-3210 Transformer also has a Voltage dropdown menu so our customers can select the 120 volt or LCN 4040SE 24 volt Sentronic door closer. Other LCN Sentronic 4040SE parts include the Sentronic LCN Rod 82, the Sentronic LCN Roller - 3034 and the Sentronic LCN 4040SE-168 Slider.

Online Distributors Of Sentronic LCN Closers

Allow us to respond to your inquiries regarding the Sentronic LCN hardware that we sell. Our friendly and experienced professionals are here to assist you with your order Monday through Friday during normal business hours. We welcome our customers to contact us in order to receive helpful guidance and advice for their online purchases from our web store.

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  1. LCN Sentronic Closer 4040SE

    The LCN 4040SE Sentronic Door Closer is a heavy duty, non-handed, non-sized closer/holder designed to provide single point hold-open for fire and smoke barrier doors. The door is held open until current interruption releases the holding mechanism and the door closes. Single lever (track) arm closer is specifically designed for interior doors. Choice of finishes, track functions, and installation accessories meet virtually all life safety requirements.  The SE stands for Single Point Electronic, with this closer the hold open point can only be one point, so the closer has to be positioned on the door to get the proper hold open point.

    This technology has been around since 1972, but back then you would order the 4110SE or 4010SE.  These were  application specific closers, so you had to specify the hand of the door, door size,  and the type of mounting.  If you do have an older version, the 4040SE will replace it.

    Door Closer Stop Colors

    4040SE
    As low as $695.06
  2. LCN 4410HSA Sentronic

    The 4412HSA SENTRONIC® is an electrically controlled closer/holder designed to provide easy passage for groups of pedestrians through high traffic doors. Pedestrians, moving through the doorway, trigger the built-in scanner. When the door is opened to 80° or more, the door is electrically held open to minimize wear and tear on applied door hardware. After the last pedestrian in a group passes through the doorway, the system timer releases the hold-open, closing the door under control of the heavy duty closer. Double lever arm closer is specifically designed for push side mounting. Choice of finishes and accessories meet virtually all high traffic installation requirements.

    right hand left hand diagram

    Door Closer Stop Colors

    4410HSA
    $1,028.32
  3. LCN Sentronic Door Closer 4314ME

    LCN Sentronic Door Closer 4310ME

    Standard LCN Sentronic Door Closer 4310ME series closer shipped with a 24V or 120V cylinder (please specify) on a mounting plate, metal cover, Swing-Free arm, track, track roller, and wood and machine screw pack. See 4310ME Series pages 23 & 24 for options. Sized cylinders for interior doors to 4’0”. Functions as full rack and pinion door closer when hold-open is not engaged or current is interrupted with Swing-Free arm engaged. Handed for right or left swinging door. Concealed or exposed electrical connections. Built-in “On/Off” switch controls hold-open function. Swing-Free arm allows door to be moved without door closer resistance. Interfaces with fire alarm systems. LCN Sentronic Door Closer 4310ME part are also available.

    right hand left hand diagram

    Door Closer Stop Colors

    4310ME-
    As low as $1,042.93
  4. LCN 4310HSA Sentronic

    The 4311HSA SENTRONIC is an electrically controlled closer/holder designed to provide easy passage for groups of pedestrians through high traffic doors. Pedestrians, moving through the doorway, trigger the built-in scanner. When the door is opened to 80° or more, the door is electrically held open to minimize wear and tear on applied door hardware. After the last pedestrian in a group passes through the doorway, the system timer releases the hold-open, closing the door under control of the heavy duty closer. Single lever (track) arm closer is specifically designed for pull side mounting. Choice of finishes and accessories meet virtually all high traffic installation requirements.

    Door Closer Stop Colors

    4310HSA
    $1,075.64
  5. LCN Sentronic Door Closer 4414ME

    LCN Sentronic Door Closer 4414ME

    Standard LCN Sentronic Door Closer 4410ME series closer shipped with a 24V or 120V cylinder (please specify) on a mounting plate, metal cover, regular arm, and wood and machine screw pack. Sized cylinders for interior doors to 4’0”. Functions as full rack and pinion door closer when hold-open is not engaged or current is interrupted. Handed for right or left swinging door. Concealed or exposed electrical connections. Built-in “On/Off” switch controls hold-open function. Interfaces with fire alarm systems.

    LCN SENTRONIC DOOR CLOSER 4410ME parts are also available.

    right hand left hand diagram

    Door Closer Stop Colors

    4410ME
    As low as $927.73
  6. LCN Door Closer 4040SE Track Assy 4040SE-3038

    The LCN Door Closer 4040SE Track Assy 4040SE-3038 replaces all Sentronic tracks for the 3130SE, 4010SE, 4110SE and 4040SE Closers. Track includes the roller, 4040SE-3034 and new mounting screws. The replacement track measures 21-3/4" on center for the mounting screws, which may be different then the 3130SE, 4010SE, 4110SE and older 4040SE Tracks.  The replacement track is the only way we know of to replace the solenoid.  Specify voltage, and color when ordering.

    LCN Part # 4040SE-3038

    Door Closer Stop Colors

    4040SE-3038
    As low as $331.18 As low as $240.00
  7. LCN Sentronic Door Closer Arm - 4110SE-3077T

    LCN Sentronic Door Closer Arm - 4110SE-3077T

    LCN part # 4110SE-3077T

    This arm will only work on the 4110SE. If you have another LCN Sentronic Model, we can order the arm you need. For us to do that we would need to know which model you have (4110SE, 4010SE, ect..) and the hand of the door, see diagram

    Door Closer Stop Colors

    right hand left hand diagram

    4110SE-3077T
    $134.98
  8. LCN Sentronic Door Closer Arm - 4010SE-3077T

    LCN Sentronic Door Closer Arm - 4010SE-3077T

    LCN part # 4010SE-3077T

    This arm will only work on the 4010SE. If you have another LCN Sentronic Model, we can order the arm you need. For us to do that we would need to know which model you have (4110SE, 4010SE, ect..) and the hand of the door, see diagram. This arm is for a discontinued LCN Door Closer. We can not allow returns, each arm is specail ordered.

    Door Closer Stop Colors

    right hand left hand diagram

    4010SE-3077T
    $134.98
  9. LCN 4040SE-3077T Sentronic Door Closer Arm

    The LCN 4040SE-3077T Sentronic Door Closer Arm is only for use with the 4040SE. If you have another LCN Sentronic Model, we can special order the arm you need. For us to do that we would need to know which model you have (4110SE, 4010SE, ect..) and the hand of the door.

    LCN Part # 4040SE-3077T

    Door Closer Stop Colors

    4040SE-3077T-
    As low as $134.98
  10. LCN Sentronic Door Closer 4040SE-3436 On/Off Switch

    LCN Sentronic Door Closer 4040SE-3436 On/Off Switch

    The LCN 4040SE On/Off Switch measures 1" by 1/2" and the button projects up 1" from the base. This component is usually mounted by two way foam tape to isolate if for undesirable shock.

    LCN Part # 4040SE-3436

    4040SE-3436
    $77.92
  11. LCN Sentronic Door Closer 4310ME-3351 On/Off Switch Assy

    LCN Sentronic Door Closer 4310ME-3351 On/Off Switch Assy

    Board measures 1-1/8" x 3".   Red plug is a three prong plug, the white plug is a two prong plug.  Specify voltage, 24 or 120 volts.

    LCN Part # 4310ME-3351

    4310ME-3351-
    As low as $163.64
  12. LCN Sentronic Door Closer 4410ME-3351 On/Off Switch Assy

    LCN Sentronic Door Closer 4410ME-3351 On/Off Switch Assy

    Board measures 1-1/8" x 3".   Red plug is a 3 prong plug, white plug is a 2 prong plug.  Specify voltage, 24 or 120 volts

    LCN Part # 4410ME-3351

    4410ME-3351-
    As low as $163.64
  13. LCN 4310ME-72MC Door Closer Cover

    LCN 4310ME-72MC Door Closer Cover

    Replacement metal cover for the LCN 4310ME Door Closer

    Manufacture Part #:  4310ME-72MC

    Door Closer Stop Colors

    door closer handing

    4310ME-72MC-
    As low as $90.45
  14. LCN 4410ME-72MC Door Closer Cover

    LCN 4410ME-72MC Door Closer Cover

    Replacement metal cover for the LCN 4410ME Door Closer

    Manufacture Part #:  4410ME-72MC

    right hand left hand diagram

    Door Closer Stop Colors

    4410ME-72MC-
    As low as $90.45
  15. LCN Sentronic Door Closer 4040SE-3210 Transformer

    LCN Sentronic Door Closer 4040SE-3210 Transformer

    Sheet metal mounting plate measures 4-1/8" x 4-1/8".    Black wire is 115 VAC, 60 HZ.  Green Wire is 24 VAC, 400MA

    LCN Part # 4040SE-3210

    4040SE-3210
    $76.54
  16. LCN Sentronic Door Closer Rod 82

    LCN Sentronic Door Closer Rod 82

    This LCN Rod will work on most Sentronic Door Closers.
    LCN part # 4040SE-82

    Door Closer Stop Colors

    4040SE-82-
    As low as $58.44
  17. LCN Sentronic Door Closer Roller - 3034

    The LCN Sentronic Door Closer Roller - 3034 is used on all of the LCN Track Closers, and Sentronic Closers. Nylon wheel is 1-1/16" diameter by 3/8" thick. The shaft is has a 1/2" diameter by 1-1/8" long.  However in November of 2015 they started shipping the roller with the Slider 168 attached to it, with a retaining ring.

    LCN part # 4040SE-3034

    4040SE-3034
  18. LCN Sentronic Door Closer 4040SE-168 Slider

    The LCN Sentronic Door Closer 4040SE-168 Slider used to be just the slider, the metal part.   In October of 2015 they changed the part so the roller is now included and they are held together by a snap ring or E-clip.

    4040SE-168
  19. LCN 4310ME-3077SF Replacement Arm

    LCN 4310ME-3077SF is the Standard Arm used on the 4310ME Sentronic Closers.  The arm is handed, left and right, and comes in different colors.

    right hand left hand diagram

    Door Closer Stop Colors

    4310ME-3077SF
    $115.91
  20. LCN 4410ME-3077 Regular Arm

    LCN 4410ME Arm used on the 4410ME Sentronic Closer.   Non stock items, usually ships in 3-5 days from LCN out of Princeton, Il.

    Door Closer Stop Colors

    4410ME-3077-
    As low as $109.76
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