LCN 4640-3077 689 Regular Arm AL Hardware

LCN 4640-3077 689 Regular Arm AL is an innovative solution designed for both convenience and accessibility. This low-energy automatic operator from the 4640 Series ensures easy access for individuals with disabilities and the elderly, making it an ideal choice for commercial installations where manual door operation may be cumbersome. Configured primarily for manual opening applications that may occasionally require automatic functionality, the 4640 features a standard, top jamb mounted design. It comes equipped with a regular arm, metal cover, and a comprehensive screw pack for both wood and machine installations. Meeting ADA requirements in power mode, this operator is non-handed, accommodating either right or left swinging doors. User-friendly switches allow for on/off and continuous hold open options, while the integrated control module manages timing and sequential door functions, as well as electric strike controls. The 4640 is available in a standard or optional custom powder-coated finish, with matte silver as the default, and offers optional plated finishes for the cover, arm, and fasteners. With its reliable performance and thoughtful design, the LCN 4640-3077 is an essential addition to any commercial setting, enhancing accessibility without compromising style or functionality.

Regular Arm AL

Standard Arm, Aluminum

The 4640 Series is LCN's smart and reliable low-energy operator.

The 4640 auto equalizer is LCN’s smart and reliable electrically powered low-energy automatic operator. It provides easy access for people with disabilities, or the elderly. Designed primarily for manual opening applications that occasionally required automatic opening.

• Standard, top jamb (push side) mounted 4640 series closer shipped with regular arm, metal cover, and wood and machine screw pack.
• Meets ADA requirements (power mode).
• Non-sized cylinders for interior doors to 4’6” and exterior doors to 3’6”.
• Non-handed for either right or left swinging door.
• 4640 has easily accessible switches to provide on/off and continuous hold open functions. 4640CS provides concealed on/off power switch. Control module provides all timing and sequential door functions, electric strike controls and adjustments for opening speed and force.
• Standard or optional custom powder coated finish, end caps are black.
• Optional plated finish on cover, arm, and fasteners.

Resources

• 4640 Series Electrohydraulic Operators Cut Sheet
• Choosing the Right LCN Auto Operator
• LCN 4600 Series Installation Guide
• LCN 4600 with 8310-856 Wiring Diagram
• LCN 4600CS Series Installation Guide
• LCN 4840 Series Product Guide - Automatic Operators
• LCN Auto Operators Catalog
• LCN Closers & Auto Operators Installation Guide
• LCN RXLXEL with 4600 Wiring Diagram
• Von Duprin Finishes Chart