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4040SE.US28 Door Closer

4040SE.US28 Door Closer | Image 1
MPN: 4040SE.US28
Finishes: US28 Silver w. Matching Arm & Track
from stock - next working day wherever possible
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4040SE.US28 Door Closer

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  • Product Description
  • Installation and Technical Information

4040SEUS28 (STD - Standard Arm)

Electromagnetic Hold Open Heavy Duty Closer 24Vac/dc w. Backcheck, Plastic Cover and Sentronic 24V Track. Spring Power Adjustable EN Spring Sizes 1—3 (ANSI 2—4). Universal Track for Two Possible Applications*. Silver w. Matching Arm & Track

This variant includes:

Cylinder - 4040SE-3071
Standard, non-handed cast iron cylinder assembly

Standard Arm - 4040SE-3077T
Non-handed arm.  Arm adjustable to select hold-open point

SE Track - 4040SE-3038
Non-handed. Mounts on either head frame or stop 24Vac/dc input for holding solenoid
Includes test switch assembly with fuse

Track Roller - 4040SE-3034SE
Quiet, low friction roller assembly.  Shoulder dimension "X" = 3mm with Track Slider - 4040SE-168 Alloy metal slider for use in SE series tracks only

Suits doors <102 kilos 

*UKCA & CE Certification applies to Hinge (Pull Side) Mounting Only

Trade Customers - Ask us about trade terms/prices

Your compatible Power Supply is available here: PS02 - 24Vdc 1.0 Amp Power Supply

The 4040SE Sentronic® 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. This single lever (track) arm closer is specifically designed for interior doors. A choice of finishes, track functions and installation accessories meet virtually all life safety requirements.

  • Standard 4040SE series closer shipped with a standard arm, 24V SE track, standard cover and wood & machine screw pack
  • Non-sized cylinders for interior doors to 1220mm
  • Hold-open force is adjustable
  • Momentary on/off switch board assembly for testing door release also provides over-voltage protection. Field replaceable
  • Functions as a full rack and pinion closer when hold-open is not engaged or current is interrupted
  • Closer mounts on either push or pull side of the door
  • Non-handed for mounting on either right or left hand door
  • Universal Sentronic track offers concealed or surface wiring
  • Interfaces with alarm systems. Consult Relcross for full details
  • Standard or optional custom powder coated finishes on cover, arm and fasteners
  • Optional plated finishes
  • Non-handed
  • Requires additional system components
  • Surface Mounting
  • For interior fire and smoke barrier doors. Single acting cylinder on door top rail
  • Exposed arm and track to head frame
  • Maximum Opening - Butt hinge template allows 110° with hold open points between 85° and 110°
  • Optional SEL special long track allows hold open points between 90° and 120° in approximately 3° increments
  • Consult Relcross for all pivot mounted installations
  • Butt Hinges should not exceed 127mm in width.
  • Auxiliary Stop is recommended at the hold open point
  • All Weather Fluid - Performs without variation:
        Manual Closers - between -35° to +49°C
        Electronic HO Closers & Automatic Operators - between +2° to +49°C
        At approx. +75°C the fluid will begin to leak from the mechanism. The flash point is approx. 110°C

UK Fire Certification in accordance with BS EN 1634-1:2014 (timber) - 120 mins
UK Fire Certification in accordance with BS EN 1634-1:2014 (steel) - 60 mins
WFRC No. 142058 

EN 1154: 1996 + A1: 2002/AC:2006
EN 1155: 1997 + A1: 2002

                                                                                                                                                         Mechanical     Electrical  

LCN 4000 Series Door Closers

Best suited to heavy duty situations on perimeter and internal doors where a high level of traffic is anticipated.

The 4040 Series is LCN’s most durable and flexible heavy duty closer, fully certified to both EN 1154 and to ANSI A156.4. The LCN 4040 will cope with the most gruelling applications and has earned an unrivalled reputation for extreme durability and reliability in use.

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Relcross Ltd (Relcross Door Controls)
Hambleton Avenue
SN10 2RT

t: 01380 729 600