LCN 4642 Auto Equalizer Power Operator – Push Side Mount

Usually Ships: 3-5 Days
  • On-board power supply, Plug-and-play connections
  • Integrates a modified heavy-duty 4040XP Series cast iron cylinder
  • Non-handed, push-side mount

Available Options:

  • Aluminum
  • Black
  • Dark Bronze
  • Satin Brass
  • Satin Bronze

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. They are backed by a 2-year limited warranty, are UL and cUL listed, meet ANSI/BHMA 156.19, meet the American Disabilities Act (ADA), and ANSI A117.1 requirements for accessibility.

  • Non-sized cylinders for interior doors to 4’6” and exterior doors to 3’6”
  • Non-handed design
  • Meets ADA requirements (power mode)

Arm Options

  • REG – 4640-3077 Regular Arm (REGARM)
  • LONG – Long Arm (LONG), Includes long rod and shoe, 4640-79LR for deep reveals

CS Option

  • CS – Provides concealed on/off power switch (optional 8310-806K key switch available when CS option is selected)



689 Aluminum, 691 Light Bronze, 693 Black, 695 Dark Bronze, 696 Brass


Heavy Duty


Grade 1 – ANSI A117.1, A156.19, UL 10C, ADA, 100 Hour Salt Spray, Meets BAA – Buy American Act

Body Construction

Cast Iron Body, Full Complement Bearing, 1-1/2" Diameter Piston, 3/4" Diameter Double Heat Treated Pinion Journal


All Weather Fluid



Spring Size

Adjustable Spring Size 2-5


Top jamb (Push Side)




Wood and Machine Screws


2 Years

Buy American Act Compliance

Meets Buy Amercian Act – Made in USA


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