LiftMaster Commercial Door Operator - Light Duty Trolley - ATSW

Introducing the Advanced Trolley System (ATSW), a premier operator designed for light-duty commercial sectional doors where quiet, safe operation is essential. This innovative system features a powerful DC motor with a quiet belt drive, making it perfect for applications near offices or residential spaces. A key feature is the built-in Timer-to-Close (TTC) functionality, which automatically closes the door after a preset time, providing an extra layer of security and convenience for your facility. With its soft start and stop, the ATSW ensures smooth motion that reduces wear on your door and hardware. Choose the ATSW when you need an intelligent, feature-rich, and whisper-quiet solution for your light-duty commercial needs.

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LiftMaster - Trolley Light Duty Operator - ATSW
LiftMaster - Trolley Light Duty Operator - ATSW
LiftMaster - Trolley Light Duty Operator - ATSW
LiftMaster - Trolley Light Duty Operator - ATSW

Liftmaster Commercial Operator – Light Duty Trolley – ATSW

ATSW

  • Built-in Wi-Fi enables access to myQ®
  • Built-in Bluetooth for easier connection to building’s Wi-Fi network
  • Dual-rated for residential and commercial doors; tested and approved for commercial duty cycle requirements.
  • Ceiling mount for standard lift sectional doors
  • Ideal for pole barns and similar structures for storage and manufacturing.

See all the specs and more at the Manufacturer’s Website:

Liftmaster Light Duty Trolley Operator – ATSW

LiftMaster Light Duty Trolley – ATSW Installation Manual

LiftMaster Light Duty Trolley – ATSW – Data Sheet

LiftMaster Light Duty Trolley – ATSW Product Guide

2025 LiftMaster Commercial Door Operator Comparison

Business Safety and Security

Security+®

Built-in 3-Channel Security+ Receiver allows you to learn/program up to 20 LiftMaster 315 MHz remote controls.

Safety Standards

Meets UL 325 Safety Standards.

Commercial Safety Sensors

Protect people and vehicles with safety sensors and accessories that stop the door from closing on obstructions.

Timer to Close

Integrated timer-to-close programmable from 5 to 60 seconds in 5-second increments. Allows for timed automatic door closure after the door reaches the full open position.

LiftMaster Business Safety
LiftMaster Commercial Powerhooks

Commercial Power

115 Volts

1/2 HP, 115V single-phase motor

NEC Class

24V NEC Class 2 control circuit

Commercial Accessories

Single Button Control

Single button control provides an additional input for single-button control fuctionality. Required for installation of any external radio receiver.

Auxilliary Limit Switches

Auxiliary limit switches provide additional limit switches with dry form C contacts at the open and closed door positions to control lights, heaters and dock levelers.

Interlock Switch

Interlock switch disables the operator control circuit when door is locked, preventing damage to the door and operator.

LiftMaster Commercial Accessories

Specifications