LCN 4640-3077L 689 Long Arm AL Hardware

LCN 4640-3077L 689 Long Arm AL is a smart and reliable low-energy automatic operator designed to enhance accessibility for individuals with disabilities and the elderly. This unit is particularly suited for manual opening applications that may occasionally require automatic operation, making it an ideal choice for a variety of commercial environments. The 4640 series closer is shipped with a standard top jamb mounted configuration and includes a regular arm, metal cover, and a complete wood and machine screw pack, ensuring a straightforward installation process. Designed to meet ADA requirements in power mode, it accommodates interior doors up to 4'6" and exterior doors up to 3'6", and is non-handed, allowing for flexibility with right or left swinging doors. Key features include easily accessible switches for on/off and continuous hold-open functions, with an optional concealed switch available. The control module manages all timing and sequential door functions, along with electric strike controls and adjustments for opening speed and force. Additionally, the 4640 offers a standard or custom powder-coated finish, with black end caps and optional plated finishes on the cover and arm, providing aesthetic versatility. Experience seamless access and enhanced safety with the LCN 4640-3077L, where functionality meets modern design.

Long Arm AL

Long 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