ATS 211


  • Security+® anti-burglary coding radio receiver, standard
  • Automatic safety reverse/automatic door stop
  • Maximum run timer
  • Heavy-duty “1-beam” configured trolley track
  • Auto-reconnect trolley
  • Meets current requirements for both commercial and residential door operators

LiftMaster® Commercial Door Operators are engineered, manufactured and tested to provide reliable service to meet the toughest commercial applications.

Residential/Commercial Operator Advanced Trolley System for use on standard lift sectional doors up to 14′ high, rated for 8 cycles per hour. The ATS meets all current federal and state laws and UL325 safety standards for residential and commercial applications.


Automatic Safety Reverse / Automatic Door Stop

Reverses door automatically if obstucted when going down, stops if obstructed going up.

Manual Release With Auto Reconnect Trolley

Manual release in case of power failure. When power is restored, a push of the button automatically reconnects the door and operator.

“I-Beam” Trolley Track

Industrial-strength-heavy-duty steel “I-beam” configuration for increased rigidity for 8′, 10′, 12′ and 14′ door heights. Full #48 chain drive.

The Protector System®

Projects an invisible light beam across garage door opening. If anything interrupts the beam while the door is closing, door automatically reverses before making contact. If beam is obstructed, door will not close.

Push Button Station

Momentary contact to open and close.

14′ Center Support Bracket

Standard with 14′ rail. Optional on all other door sizes. Provides additional rail support on 14′ doors.


High-torque, industrial, 1/2 HP, 115V, single-phase motor with instant reverse and automatic reset thermal overload.

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