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Liftmaster Garage Door Openers
Model 1245/1246
1/3 H. P. Chain Drive Opener
Model 1245/1246 - Liftmaster Chain Drive Door Opener Protector System

The Liftmaster Model 1245/1246 Chain Drive Garage Door Opener features a 2 year motor warranty, 1/3 H. P. motor, automatic light and the "Protector System" to prevent against accidental injuries while operating the door. The "Protector System" uses an invisible beam of light which projects across the opening near floor level. If this beam is broken while the door is being lowered, the door automatically reverses to the open position. The door will not close if anything blocks the beam.
Professional Installer's Favorite
The chain and trolley are attached at the factory for fast installation. The rail is simply attached to the operator head with two bolts.

Liftmaster products are certified and approved by all the leading industry organizations.


QUALITY FEATURES

OPTIONAL ACCESSORIES

SPECIFICATIONS
Lighted door control button
 Standard remote control

QUALITY FEATURES

Steel Chain Drive 1/3 H. P. Motor Automatic Light Delay Smart Garage Door Opener
Steel Chain Drive - Solid Steel Trolley and T-Rail 1/3 H. P. Motor Automatic Light Delay Smart Garage Door Opener
Provides extra strength. All steel, no plastic parts to wear out. Ample power to lift a variety of doors. Light turns on automatically and turns off after a 4 1/2 minute delay. Program security codes easier than ever
Computer Programmed Remote Control Automatic Safety Reverse and Automatic Door Stop Manual Release Handle
Computer Programmed Remote Control Automatic Safety Reverse and Automatic Door Stop Manual Release Handle
Security codes to prevent against break-ins Door automatically reverses if it encounters an obstruction when going down and stops if this occurs while going up For power failures, maintenance or emergency use, allows you to operate the door manually.

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OPTIONAL ACCESSORIES

Remote Control Ligthing Accessories
Extra Remote Control
Standard Multi-Function
Extra Remote Control
Mini Multi-Function
Extra Remote Control
Standard
Keyless Entry System

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SPECIFICATIONS

MOTOR
Horsepower: 1/3
R. P. M. 1,625
Thermal Protection: Automatic
Lubrication: Permanent 		DRIVE MECHANISM
Drive Means: Full Chain
Reduction Means: Gear: 16: 1
Door Linkage: Adustable Door Arm 		DIMENSIONS
Installed Length: 124"
Maximum Door Opening: 7' 6"
Travel Rate: Approximately 7" per second
Headroom Clearance Required: 2"
CONVENIENCE AND SAFETY
The Protector System
Emergency Quick Release
Automatic Trolley Reconnect
Manual Mode Setting
Ventilation Pet Opening
Safety Reverse when operating in Down Mode
Safety Stop when operating in Up Mode 		DIGITAL RADIO CONTROLS
Frequency: 390 MHz
Coding System: Smart receiver code button and indicator light
Operating Range: 150 ft. approximately
Operating Temperature: -40 degrees F to 150 degrees F
Battery (Remote Control): 12 Volt 		ELECTRICAL
Voltage: 120 VAC, 60 Hz
Wattage: 540
Current Rating: 4.5
U. L. Listings: Yes
Length of Line Cord: 4 Foot (3 prong with ground)
ADJUSTMENTS
Force: External Up and Down
Limit: External 		MATERIALS
Chassis: Steel
Rail: Solid Steel T
Trolley: Steel 		LIFTING CAPACITY
Adjustable: 40-180 lbs.
Factory preset at 70 lbs.

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