LCN 4642-REG 691 LowEnergy Auto Equalizer LTBRZ

LCN 4642-REG 691 LowEnergy Auto Equalizer LTBRZ is a Grade 1 surface-mounted electromechanical door operator designed for reliability and accessibility. This operator accommodates doors ranging from 36" to 54" and supports a powered swing of 90 degrees, with a manual swing capability of up to 100 degrees. Its light bronze painted finish enhances durability while blending seamlessly into various environments. Engineered primarily for manual openings that require occasional automatic access, the 4640 Auto Equalizer is ideal for facilities needing ADA compliance. It features easily accessible switches for on/off and continuous hold-open functions, while the control module manages all timing and sequential door operations. This unit is non-handed, allowing installation on either right or left swinging doors. The operator includes a standard arm and comes with a complete screw pack for installation on both machine and wood doors. With adjustable back check and the option for custom powder coating, it meets the aesthetic and functional needs of commercial settings. Designed for ease of use for the elderly and individuals with disabilities, this operator is a smart choice for enhancing building accessibility. Plus, it includes a two-year limited warranty for peace of mind.

LowEnergy Auto Equalizer LTBRZ

Grade 1 Surface Mounted Electromechanical Benchmark Door Operator, Regular, Push Side Mounted, Top Jamb, 36" - 54" Door, 90 Deg. Powered, 100 Deg. Manual Swing, Machine and Wood Screws, Light Bronze 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