ABS (Anti-Blocking System):  prevents damage to the shutter if, while being let down, it sticks or comes up against an obstacle. The ABS drive wheel disengages, the rollshutter is no longer driven, the shutter is prevented from rolling up the other way.

For all tubes over 40mm, supplied with continuous overheating protection. From the 50 series all are also available, naturally, with integrated emergency crank handle (NHK).

Series:

ABS 40/09, ABS 40/12

ABS 50/08, ABS 50/12, ABS 50/20, ABS 50/30, ABS 50/40

ABS 60/55, ABS 60/75