Interlocking is often used at the entrance to the production sites of food companies or the anterooms to the clean rooms of electronic companies for the purpose of disconnecting the inside from the outside.

Conveyor interlocking, an interface between speed doors and conveyors, is often used in logistics and shipment automation systems.

Air curtain interlocking is used to block the ingress of insects when opening and closing the doors. The setting of trigger time can generate a complete barrier to infestation by insects.