For the installation of an alternative to the standard lock from S3X enclosures with double doors by a lock with another number of key. it is necessary to replace the escutcheon by the handle reference NSYMCSX. Example of DIN barrel usable on handle reference NSYMCSX - DIN barrel made by JMP Diffusion type 1327/999 - DIN barrel made by EMKA type 1109-U1-N See instruction sheet in attachment