LCN 4642-REG 689 Low Energy Auto Equalizer AL

LCN 4642-REG 689 Low Energy Auto Equalizer AL is a Grade 1 surface-mounted electrohydraulic door operator designed to enhance accessibility and convenience. This reliable operator is perfect for manual openings that occasionally require automatic functionality, making it an ideal solution for facilities accommodating individuals with disabilities or the elderly. Capable of accommodating door sizes from 36" to 54" and supporting door weights up to 225 lbs, the 4642 operates smoothly with a 90-degree powered swing and a 100-degree manual swing. Its top jamb mounting on the push side ensures easy installation and operation. This model meets ADA compliance in power mode and features adjustable back check for added safety. Equipped with easily accessible switches for on/off and continuous hold open functions, the 4642 also includes a control module that manages timing and sequential door functions. The unit comes with a standard metal cover and is available in a matte silver finish, with options for custom powder coating. Designed for commercial use, this door operator ships with both machine and wood screws, ensuring a hassle-free installation. Proudly made in the USA, the LCN 4642 is your go-to choice for dependable, low-energy door operation.

Low Energy Auto Equalizer AL

Grade 1 Surface Mounted Electrohydraulic Auto Equalizer Door Operator, Regular, Push Side Mounted, Top Jamb, 36" - 54" Door, 90 Deg. Powered, 100 Deg. Manual Swing, Machine and Wood Screws, Aluminum Painted Finish

The 4640 Auto Equalizer is LCN's smart and reliable electrically powered low energy power operator. It provides easy access for people with disabilities or the elderly. Designed for manual openings that require occasional automatic opening.

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