Hi,
A safety door, also known as an interlocked door, is a safety device commonly used in industrial systems to prevent access to hazardous machinery or equipment while it is in operation. It typically consists of a door with a locking mechanism that prevents it from being opened while the machine is running, as well as a safety switch or sensor that detects the door's position and signals the control system to stop the machine if the door is opened.

Safety doors are an important part of machine safety, helping to prevent accidents and injuries by ensuring that workers cannot accidentally or intentionally access dangerous machinery while it is in operation. They can also help to ensure compliance with safety regulations and standards in industrial settings.

There are different types of safety doors available for industrial systems, including:

   Interlock safety doors: These are the most common type of safety doors and are designed to prevent machine operation when the door is open. They have a locking mechanism that ensures the door remains closed and locked during machine operation.

   Safety light curtains: These are an alternative to interlock safety doors and use infrared beams to detect the presence of objects. They create an invisible barrier that, when broken, immediately stops the machine.

   Pressure-sensitive safety mats: These are mats that are placed on the floor in front of the machine, and when stepped on, will trigger an immediate machine stop. They are ideal for situations where a door cannot be installed, such as with conveyor systems.

   Two-hand control safety doors: These doors require the operator to use both hands to operate, ensuring that both hands are clear of the machine before it starts.

The type of safety door used will depend on the specific needs of the industrial system and the level of safety required.