Automatic Telescopic Sliding Door Mechanism

About the product

The modular telescopic sliding door ASSA ABLOY SL520 enables upgrades and add-ons when you want to move your business forward. It is ideal for entrances that require a very large opening (about 4m entrance width) or for application where a decent opening width is still required but space is limited.

Strong and Reliable – For Heavy Traffic Flows

The ASSA ABLOY SL520 mechanism can be used in the most demanding environments that constantly open and close. The powerful yet smooth operator manage door weights up to 4x80kg. The ASSA ABLOY SL520 can be easily managed with an intelligent touch display located either next to the door or at a remote location as far as 500 meters away. Each mode selector can operate up to five door systems at the same time. The mode selector contains five different modes: open, exit only, automatic, half open and locked.

ASSA ABLOY SL520 Configurations


ASSA ABLOY SL520-1 – 2leaf, single-slide, right or left opening
ASSA ABLOY SL520-2 – 4 leaves, bi-parting

ASSA ABLOY SL520-1: 80kg / door leaf
ASSA ABLOY SL520-2: 80kg/door leaf


Opening and Closing Speed: Variable upto 1.7m/s (4 leaves)