Heavy-Duty Gate Automation Built for High-Traffic Commercial & Industrial Applications
The LiftMaster CSW24UL is a premium-grade 24VDC swing gate operator engineered for high-volume commercial, industrial, or residential estate use. Designed with next-generation MyQ® connectivity and built to endure harsh operating environments, the CSW24UL combines power, performance, and modern smart control capabilities.
This is the latest UL325-compliant model (formerly CSW24U), and now includes a monitored LMRRUL photo eye sensor at no additional cost. With a heavy-duty gear-driven transmission, surge protection, and seamless battery backup, the CSW24UL delivers dependable performance—even in power outages.

What’s Included
- LiftMaster CSW24UL Swing Gate Operator (24VDC)
-
LMRRUL Monitored Retroreflective Photo Eye with Heater & Protective Hood (Range: 50 ft)
-
Two FREE Remote Transmitters with Visor Clips
(Actual remote model may vary depending on availability)
Key Features
Reliable Performance for Demanding Environments
-
24VDC Continuous-Duty Motor: Handles high-frequency operation with minimal maintenance.
-
300+ Cycles Per Day: Built for heavy-duty, commercial-grade applications.
-
Battery Backup: Provides uninterrupted gate access during outages.
-
Smooth Start/Stop & Mid-Travel Reversal: Extends hardware life and ensures safe operation.
-
Gear-Driven Transmission: Heavy-duty commercial design for long-term durability.
-
Industrial Surge Suppression: Protects against lightning strikes up to 50 feet away.
Smart Control & Connectivity
-
MyQ® Compatible: Control and monitor your gate remotely via smartphone (requires optional Internet Gateway).
-
Wireless Dual-Gate Communication: No trenching required—syncs dual gates seamlessly.
-
Real-Time Alerts: Receive status updates on your gate's activity.
-
Synchronized Close: Ensures both gate leaves close simultaneously.
Advanced Safety & Security
-
Security+ 2.0®: Encrypted tri-band radio eliminates interference, extending remote range and ensuring safe access.
-
Quick Close & Anti-Tailgate Features: Automatically closes gate behind vehicles to prevent unauthorized access (requires expansion board).
-
UL325 Compliant: Includes monitored photo eye for safe, legal operation.
-
Emergency Manual Release: Easy-to-use release handle allows for manual operation and maintains limit settings.
-
Fire Department Auto-Open Mode: Opens gate in case of power or battery failure.

Technical Specifications
Specification |
Details |
Motor Type |
24VDC Continuous Duty |
Power Supply |
120V/230V Single Phase |
Battery Backup |
Included (up to 147 cycles on full charge) |
Cycle Capacity |
High-traffic rated (300+ cycles/day) |
Control Board Inputs |
3 monitored safety devices (expandable) |
Surge Protection |
Up to 50 ft range |
Operating Temperature |
-4°F to 140°F (-20°C to 60°C) |
Chassis Material |
Heavy-duty powder-coated steel |
Gear Reduction |
All-metal, precision-machined wormgear |
UL Usage Classification |
Class I, II, III, IV |
Warranty |
7 Years Residential / 5 Years Commercial |

Frequently Asked Questions (FAQs)
Q: What kind of gates is this best suited for?
A: The CSW24UL is ideal for high-traffic commercial or industrial swing gates, as well as large residential estate gates.
Q: Does it come with a battery backup?
A: Yes, it includes a built-in backup battery system that provides reliable operation during power loss.
Q: Is this version UL325 compliant?
A: Yes, it meets all UL325 safety requirements and includes a monitored photo eye sensor.
Q: Can I operate the gate with a smartphone?
A: Yes, using MyQ technology (requires LiftMaster Internet Gateway), you can control and monitor the gate remotely.
Q: How many remote controls are supported?
A: The onboard Security+ 2.0® receiver supports up to 50 remotes (unlimited with models 811LM/813LM).
Q: Who should I contact for installation or product support?
A: Contact our team at +15056052205 or email support@gatemasterpros.com.
Important Notes
-
Wind Exposure Warning: Gate performance may vary under heavy wind conditions. Always consult with a professional for wind-prone installations.
-
UL325 Requirement: System includes one monitored entrapment device. Additional devices may be required based on installation.
-
Remote Model Disclaimer: Product images are for illustration only; actual remote model may vary depending on availability.
Product Manuals