The Castell Trapped Key Interlock KSD is
designed to operate as part of an integrated safety system,
controlling access to hazardous areas.
using the KSD range are motor driven, high risk applications
where complete isolation of the power supply is required before access is
The removal of
the key in the KSD changes the condition of the electrical supply to the
machine to a safe condition. This key can be removed and used to unlock the
door via AIE Access Interlock.
The guard can
only be opened when the electrical supply has been switched into a safe
condition. The machine cannot be restarted until the door is closed and the key
is removed and taken to the KSD Switch Disconnector.