Door Closers

The 4040SE Sentronic® is a heavy duty, non-handed, nonsized 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.

LCN 4110 Fusible Link Door Closer

Standard 4110 series closer shipped with Fusible Link arm, standard plastic cover, 4110-201 FIFTH SCREW SPACER and self reaming and tapping screws. Sized cylinders adjustable for interior doors to 5’0” and exterior doors to 4’0”. Non-sized cylinder adjustable for interior doors to 4’6” and exterior doors to 3’6”. Closer mounts parallel arm, specify right or left swinging door. 4111 cylinder meets ADA requirements.

We ship the 4111 FL

LCN 4820 Closer Arm

The LCN 4820 Auto-Equalizer Regular Arm comes with the Arm & Forearm, Rod & Shoe, and all the arm screws.

LCN Part # 4820-3077

LCN Door Closer 4040SE Track Assembly 4040SE-3038

Complete replacement LCN Sentronic Track.
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.
Specify voltage, and color when ordering.

LCN Part # 4040SE-3038

LCN Door Closer Cush-n-Stop Arm

Non-handed parallel arm features solid forged steel main
arm and forearm with stop in soffit shoe.

Specify your current closers model number when ordering. Not all
of the LCN closers have the same shape spindle on the door closer
cylinder. LCN Part #'s: 1260-3077CNS, 1460-3077CNS, 4040-3077CNS, 4110-3077CNS

Provides hold-open function with templated stop/hold-open points.
Handle controls hold-open function.

Specify your current closers model number when ordering. Not all
of the LCN closers have the same shape spindle on the door closer
cylinder. This LCN Arm is known as these part numbers: 1260-3049CNS, 1460-3049CNS, 4040-3049CNS, 4110-3049CNS

Handing diagram

LCN Door Closer Extra Duty Arm

Non-handed parallel arm features solid forged steel main
arm and forearm with stop in soffit shoe.

Specify your current closers model number when ordering. Not all
of the LCN closers have the same shape spindle on the door closer
cylinder. LCN Part #'s: 1260-3077EDA, 1460-3077EDA, 4040-3077EDA, 4110-3077EDA

LCN Door Closer Fusible Link Arm

Adjustable nut allows door closer arm to lock when the preselect position is reached. Fusible Link will hold door until heat melts the "Link" and then the door will shut. Used on Fire Doors to control a spreading fire.

Specify your current closers model number when ordering.
Not all of the LCN closers have the same shape spindle on the door closer
cylinder. The LCN Part #'s on this Fusible Link Arm is: 4010-3049FL, 4020-3049FL, 4110-3049FL

LCN Door Closer Hold Open Arm

Adjustable nut allows door closer arm to lock when the preselect position is reached.

Specify your current closers model number when ordering.
Not all of the LCN closers have the same shape spindle on the door closer
cylinder. The LCN Part #'s on this Regular Arm is: 1260-3049, 1460-3049, 4010-3049, 4020-3049, 4040-3049

Specify your current closers model number when ordering. Not all
of the LCN closers have the same shape spindle on the door closer
cylinder. Model Available here are the:

1260-3048
1260-3048L
1460-3048
1460-3048L
4010-3048
4010-3048L
4020-3048
4020-3048L
4040-3048
4040-3048L

The size is the tube length.

LCN Door Closer Head and Tube

The LCN Door Closer Head and Tube comes in two versions.  One is 5-3/4" long and the other is 8-5/8".  The square hole is 5/8",   This part usually goes by the part number 4040-78H, 4040-78HL, 1260-78H, 1260-78HL, ect.,.

LCN Door Closer Parallel Arm Shoe

This is the shoe that LCN uses on some of there door closers for the parallel arm mounted door closers. A parallel arm closer is a door closer that has the arm parallel to the door when the door is closed. This part is also known as the 1260-62PA, 1460-62PA, 4030-62PA, and 4040-62PA. Ships with mounting screws.

LCN Door Closer Regular Arm

Specify your current closers model number when ordering. Not all
of the LCN closers have the same shape spindle on the door closer
cylinder. The LCN Part #'s on this Regular Arm is: 1260-3077, 1460-3077, 4010-3077, 4020-3077, 4040-3077

LCN Door Closer Rod And Shoe

This piece fits into the female part of all LCN Regular Arms. The old style had two concave set screws and a ball pressed into the rod. If the door over rotated the ball would pull out of the concave set screws. The new version has a pin holding the rod to the shoe which is designed to fail if the door is over rotated. This piece will work on the LCN 1260, 1460, 4010, 4020, 4030 and 4040 door closers with regular arms. Some of the really old models have multiple threaded holes, so you might have to drill a hole in the female tube. Part #'s 4040-79, 4040-79LR and 4040-79ELR. The 1260, 1460, 4010, or 4020 could replace the 4040 in those part numbers, they are the same.

LCN Door Closer Spring Cush Arm 3077SC

Optional, parallel arm for abusive applications features solid forged steel main arm and forearm with spring loaded stop in the soffit shoe.

LCN Door Closer Spring Cush Hold Open Arm 3049SC

Optional, parallel arm for abusive applications features solid forged steel main arm and forearm with spring loaded stop in the soffit shoe. Handle controls hold-open function.

LCN Sentronic Door Closer 4040SE-168 Track Slider

The slider is not longer sold separately, it is sold with the roller.  You have to take the Assembly apart to get just the slider.

LCN Sentronic Door Closer 4310ME/4410ME/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 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

LCN Sentronic Door Closer Rod 82

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

LCN Sentronic Roller

This LCN Sentronic Roller 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. LCN part # 4040SE-3034.  

LCN Started using this Roller Assembly in December 2018.