Application Areas. Single-action, single leaf, right and left closing doors. Single-action doors up to 1100 mm leaf width or 125 kg weight. Entrance and interior doors with moderate access frequency. For door leaf thicknesses from 55 mm. Integrated installation in door or frame. Barrier-free access. Powerturn user manual (PDF | 571 KB) Powerturn videos Our strongest drive: GEZE Powerturn. Creative Installation video: GEZE Powerturn sensor roller guide rail. close. Contact GEZE Zentrale +49-7152-203- Mo - Do: 7.30 - 17.00 Uhr / Fr: 7.30 - 16.00 Uhr Connecting expertise - building solutions. Toggle navigation