Дверный замок для лифта QKS9D Дверный замок для лифта Box Hall Door Lock LSF9 300P Дверный замок для лифта

Video Description:
Discover the Elevator QKS9D Door Lock Box, a crucial safety component for Schindler elevators. This hall door lock ensures secure operation by preventing accidental door openings during elevator movement. Learn about its robust mechanical structure, electrical interlock function, and wide application in commercial, residential, and industrial buildings.