Liftmaster model 3840 garage door motor

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Home > Gate Operators & Accessories > Residential Garage Door Openers >

Liftmaster 3840 Elite Series DC Motor Screw Drive with EverCharge Standby Power System (HEAD UNIT ONLY NO RAILS)

liftmaster 3840

Our Price: $266.99

Product Code: G38401

Description

Liftmaster 3840 Elite Series DC Motor Screw Drive with EverCharge Standby Power System (HEAD UNIT ONLY NO RAILS)

Features

EverCharge Standby Power System Features:
12VDC battery is always charged and ready - no additional outlets are needed
Simple installation - simply open the access door behind the light lens and slip the battery in
Alerts you when in use - an audible signal tells you when the standby power system is operating
Safety and security features still operate - ensures your family is still protected in a power failure
Backup power will operate the garage door opener for 40 full cycles within a 24-hour period* (fully charged batteries at 72� F)
Standard Features:
Ultra-quiet 3/4 HPS* DC motor with screw drive system
Enclosed gear case provides continous lubrication for longer life and smoother operation
Galvanized steel rail, steel screw, and plastic support insert
Push button limit settings/automatic force sensing
Includes The Smart Garage Door Opener - lets you electronically program security codes from the Smart Control Panel or the powerhead
Quick-Connect terminals for faster wire installation
200 watts of light with adjustable light time delay; dual non-yellowing hinged light lens for easy bulb replacement
6-foot power cord makes connecting to a power source easier than ever; ideal for vaulted ceilings
* 3/4 HPS is defined as horsepower strength. 3/4 HPS has the same lifting force specifications as 3/4 HP LiftMaster garage door openers
Included Accessories:
Premium Remote Control
Smart Control Panel
EverCharge Standby Power System
Safety Features:
Includes The Protector System - projects an invisible light beam across the garage door opening and automatically reverses the door if anything interrupts the beam while door is going down
Equipped with PosiLock - stops intruders by securely locking the garage door when it is down
Manual release handle in case of power failure
Warranty:
Lifetime motor
5-year parts warranty
1-year battery warranty