The Liftmaster® Advanced Trolley System Light-Duty Trolley Operator is designed for use on standard lift sectional doors up to 12' high, rated for 8 cycles per hour. Its high-torque industrial 1/2 HP motor provides dependable lift along an industrial-strength, heavy-duty steel "I-Beam" trolley track. Standard safety features provide security against power failures, theft or injury.  

FEATURES
Liftmaster® Advanced Trolley System Light-Duty Trolley Operator

Standard Features:

• Our high-torque industrial 1/2 HP 115V single-phase motor features instant reverse and automatic reset thermal overload.
• An industrial-strength, heavy-duty steel "I-Beam" trolley track configuration, complete with full #48 chain drive, means increased rigidity for 8´, 10´ and 12´ door heights.
• A convenient wall-mounted station provides instant push-button operation.

Safety Features:

• An Automatic Safety Reverse/Automatic Door Stop system reverses door direction automatically if obstructed when going down, and stops door motion if obstructed when going up.
• The PosiLock™ system stops intruders by securely locking the garage door when it is down. If an intruder tries to force the door open, the opener automatically reactivates to the closed position.
• The Protector System® safety feature projects an invisible light beam across the garage door opening. If anything interrupts the beam while the door is closing, the system instantly reverses the door direction.
• A Manual Release with Auto-Reconnect Trolley is installed in case of power failure. When power is restored, a push of the button automatically reconnects the door and operator.

Optional Accessories:

• Remote Control and Keyless Entry System with Security+ Anti-Burglary Coding is available.

 Warranty:

• A 1-year warranty is standard for the unit motor and operating system.