ASSA ABLOY SL521

Telescopic Operator Delivering Wider Openings in Limited Spaces, ASSA ABLOY SL521

ASSA ABLOY SL521 is a telescopic automatic sliding door operator engineered to maximize opening width where installation space is limited. Designed as a premium entrance solution, it delivers exceptional performance in narrow entrances, large glass façades, and heavy-duty door applications while balancing architectural aesthetics with efficient pedestrian flow.

Built on a modular platform, ASSA ABLOY SL521 can be configured to meet a wide range of entrance requirements. The system offers flexible control over operating parameters, including opening speed and hold-open time, allowing it to be tailored to specific project needs. Its telescopic door design provides a significantly wider clear opening than conventional sliding doors, making it ideal for facilities with high pedestrian traffic.

In addition, ASSA ABLOY SL521 features quiet operation, outstanding durability, and advanced safety sensors to enhance both user comfort and safety. Designed for long-term reliability, it delivers efficient and seamless access in hospitals, commercial facilities, airports, educational institutions, and public buildings.