ASSA ABLOY SL521 Telescopic Operator

You want a modular approach for maximum flexibility. And you want a telescopic design that manages wide openings with ease. That’s where the SL521 comes in. Inspired by the super dependable SL500, this telescopic update is particularly useful when you’re facing major traffic flows in big spaces. If size matters – alongside flexibility and reliability – then this door operator is up to the task.