LCN 4840-3077CNS 689 Cush-N-Stop Arm AL

LCN 4840-3077CNS 689 Cush-N-Stop Arm AL is a premium pneumatic multi-door solution operator that enhances accessibility for individuals with disabilities. Specifically designed for manual opening applications, this door closer is recognized for its quiet operation and reliable performance, making it an ideal choice for both commercial and residential settings. This model excels in multi-door applications, offering significant cost savings per door leaf as the number of doors increases. The standard package includes an extra-duty arm, a durable metal cover, and a comprehensive screw pack for hassle-free installation. Meeting ADA requirements in power mode, the LCN 4840 ensures compliance without compromising functionality. Installation requires either a Door Loop-459 or Transfer Hinge-460, and it accommodates non-sized cylinders for interior doors up to 4’6" and exterior doors up to 3’6". With a non-handed design, this unit is versatile and straightforward to work with. It features a matte silver finish (689/US28) and optional custom powder coating for added aesthetic appeal. Whether you’re upgrading an existing system or outfitting a new space, the LCN 4840-3077CNS offers a reliable and stylish solution for effective door operation.

Cush-N-Stop Arm AL

Cush Arm, Aluminum

The 4840 Series is a pneumatic multi-door solution operator that provides easy access for people with disabilities.

Designed primarily for manual opening applications, the LCN 4840 Series is quiet, efficient and reliable. It requires control boxes with intregral compressor or control box using auxillary air supply. 

• Ideal for multi-door applications since cost per door leaf decrease significantly as the number of door leaves increases.
• Standard, plate mounted 4840 series closer shipped with extra duty arm, metal cover and a wood and machine screw pack.
• Meets ADA requirements (power mode).
• Installation requires use of either Door Loop-459 or Transfer Hinge- 460
• Non-sized cylinders for interior doors to 4’6” and exterior doors to 3’6”.
• Non-Handed
• Requires additional system components
• Standard or optional custom powder coated finish, end caps are black
• Optional plated finish on cover, arm, and fasteners

Resources

• 4840 Series Pneumatic Operators Cut Sheet
• Choosing the Right LCN Auto Operator
• LCN 4840 Series Installation Guide
• LCN 4840 Series Product Guide - Automatic Operators
• LCN Auto Operators Catalog
• LCN Closers & Auto Operators Installation Guide
• LCN Closers & Automatic Operators Parts Manual
• Von Duprin Finishes Chart