LiftMaster 3850

LiftMaster 3850

Features


The model Liftmaster 3850 door operator is manufactured by the Chamberlain Group. The LiftMaster 3850 is the only 3/4 HPS®* professionally installed opener with a fully-integrated standby power system. It will operate the garage door opener for 40 cycles within a 24-hour period, and recharges automatically when the power comes back on; an audible signal tells you when the power is out and the EverCharge® Standby Power System is in use. Meets all UL325 requirements.



Features:


  • Drive system : Belt Drive

  • Horse power : DC

  • Voltage / phase : 115V 60Hz

  • Lighting System : 2 lights (100 watts max per light) with adjustable light time delay

  • Warranty* : Lifetime on motor and belt

  • Additional headroom required : 2''

* Other parts are guaranteed for five years`
* EverCharge Standby Power System is guarranted for one year

Your security, our priority!


The Protector System®

 


Project an invisible light beam across the garage door opening and automatically reverse the door if anything interrupts the beam while the door is going down. Sensing technology will stop the door from closing if contact is made with a person or object. Opener light turns on automatically when The Protector System's infrared beam is broken.


LiftMaster Protector System for door openers 


Manual release handle 

 


Manual release in case of power failure.

LiftMaster manual release handle for door openers 


Security+®

 


  • Security+® rolling code technology assures a new code is sent every time the remote control is used.

  • Patented PosiLock® system ensures the door remains securely locked when the garage door is closed.
 
SECURITY+ Logo 

EverCharge Standby Power System (485LM) 


Door opens when the power is out
After the power goes out, the standby power system will operate the garage door opener for 40 cycles within a 24-hour period.


LiftMaster EverCharge StandBy Power System (485LM) on door opener 



Warning 

Garage doors and garage door openers can be dangerous if not installed and verified by a professionnal and not used properly. Children must be supervised by an adult when they are inside or in proximity of the garage.

Included with the LiftMaster 3850 door opener



  • LiftMaster 3850 door opener


    LiftMaster 3850 door opener 


  • EverCharge Standby Power System (485LM)


    LiftMaster EverCharge Power System (485LM) for door openers 


  • Smart Control Panel (398LM)


    LiftMaster smart control panel for door openers 


  • Premium Remote Control (373P)


    LiftMaster premium remote control for door openers 


  • Protector System (41A5034)


    LiftMaster Protector System for door operators 


  • Hardware bag for installation (includes all necessary hardware for installation)


  • Appropriate 1 piece belt rail


     LiftMaster door openers 1 piece belt rail 

Optional accessories for the LiftMaster 3850 door opener


Single-Button Remote Control 315MHz (371LM)

 


Our basic single-button remote control isn't so basic. It can operate a single garage door or gate, or turn your garage door opener lights on/off. You can also use it as an extra remote control to turn on lights or small appliances inside your home – all from the comfort of your car.Get additional access and security with our single-button remote control. Use it to open and close a single garage door or gate, or as an extra remote to turn interior lights and small appliances on inside your home.



 

LiftMaster single-button remote control for door openers 

3-Button Remote Control 315MHz (373LM)

 


Our basic 3-button remote control isn't so basic. It can operate up to 3 garage doors or gates, and/or turn your garage door opener lights on/off. You can also use it as an extra remote control to turn on lights or small appliances inside your home – all from the comfort of your car.Get additional access and security with our 3-button remote control. Use it to open and close 3 garage doors or gates, or as an extra remote to turn interior lights and small appliances on inside your home. 

(The 3-Button Remote Control is included in the package but you can order more)



 

LiftMaster 3-button remote control for door openers 

Premium Remote Control (373P)

 


The Premium Remote Control from LiftMaster® is the only remote control that automatically lights up as you bring your hand nearby, so you'll always know exactly which button to press, even in the dark. Plus, it can control up to three garage doors or gates from greater distances with the reassurance of Security+® rolling code technology. 

 

   LiftMaster Premium Remote Controle for door openers 


Wireless Control Panel (378LM)

 


For people who want a second control in their garages. A light control button turns garage door opener lights on and off. Auxiliary button can be programmed to open and close a second garage door.  



 

LiftMaster wireless control panel for door openers 

Wireless Keyless Entry System 315MHz (377LM)

 


Access your garage and home without the use of a key or a remote control. The LiftMaster® Security+® Wireless Keyless Entry can open your garage door using a code that you program directly into the unit. There is also a temporary password option that enables family, friends, or service people to enter the garage/your home without giving them your personal code.


  • Backlit keypad which makes numbers easy to see, even in the dark.

  • One-button-to-close feature makes it easier than ever to close your garage door.


 

LiftMaster wireless keyless entry system for door openers 

Mini 3-Button Remote Control 315MHz (370LM)

 


Are you always on the go? Our mini 3-button remote control is a miniature version of our 3-button remote control, and just as powerful. It can open and close 3 garage doors or gates, turn opener lights on/off, and/or turn on lights and small appliances in your home. And the best part is that it can fit almost anywhere – in your purse, your pocket, or even on your keychain.Get control on the go. Our mini 3-button remote control is small enough to fit in your purse, in your pocket, or on your keychain, and can operate 3 garage door openers or gates, or lights and small appliances.



 

LiftMaster mini 3-button remote control for door openers  

Garage Door Monitor (915LM) 

 


Lets you know whether the garage door is open or closed from any room in the house. A flashing red light shows the door is open; a glowing green light indicates the door is closed.



 

LiftMaster garage door operator monitor 

Laser Garage Parking Assist (975LM)

 


The high-tech solution that helps you park perfectly in your garage! As you pull into your garage the laser is activated and projected onto the dashboard, making it easy to park in the same spot every time.



 

LiftMaster laser garage parking assist 

Documents to download


Owner's Manual PDF Document (3 Mb)


Brochure PDF Document (1 Mb)