Heavy-Duty Slide Gate Operator for Industrial and High-Security Use The LiftMaster INSL24UL is a heavy-duty, industrial-grade slide gate operator built for high-security facilities, commercial sites, and continuous-duty environments. Designed to move gates up to 2,200 lbs. and 70 feet, this operator features a brushless 24VDC motor, soft start/stop performance, and smart connectivity via myQ® technology. Its rugged NEMA 3R-rated steel enclosure and UL 325 compliance ensure it performs reliably in harsh outdoor settings while delivering secure, intelligent access control. Ideal for new installations or retrofits, the INSL24UL is backward-compatible with LiftMaster SL585 and SL595 systems, minimizing upgrade costs without compromising on performance. Key Features Supports gates up to 2,200 lbs. and 70 ft. in length Continuous-duty 24VDC brushless motor for high-efficiency, low-maintenance performance Soft start/stop technology reduces wear and enhances gate longevity UL 325 listed with monitored safety inputs and retro-reflective photo eye included Quick-close and anti-tailgate functions prevent unauthorized vehicle entry NEMA 3R enclosure with 14-gauge powder-coated steel cabinet for all-weather durability Smart myQ® connectivity enables real-time remote monitoring and control via the myQ app Retrofit-ready—compatible with SL585 and SL595 models, reducing installation time and cost Battery backup capable (7Ah or 33Ah) for uninterrupted operation during power outages Genuine LiftMaster® industrial gate automation system Technical Specifications Model: INSL24UL Motor Type: 24VDC brushless Speed: Adjustable 0.5 to 1 ft/sec Power Supply: 120V/240V single-phase standard; 3-phase kit available Enclosure: NEMA 3R-rated, lockable 14-gauge steel cabinet Safety Inputs: 3 on main board + 3 on expansion board (monitored) UL Usage Class: UL 325 Class II, III, IV Battery Backup: Supports 7Ah or 33Ah battery options Dimensions: 30.1" H × 27.5" W × 17.1" D Environment: Outdoor-rated, corrosion-resistant Conclusion The LiftMaster INSL24UL offers industrial-strength gate automation with smart connectivity, unmatched durability, and continuous-duty performance. Backed by myQ® technology, integrated safety compliance, and flexible retrofit compatibility, it's the ideal solution for securing commercial facilities, warehouses, data centers, and other high-cycle perimeter environments. Cut Sheet Installation / User Manual