Cover plate, lockable, IP 44, single key locking, for all Rutenbeck flush-mounted inserts, only in conjunction with central pieces, pure white (similar to RAL 9010), - for all Rutenbeck flush-mounted inserts, - only in conjunction with central pieces 50 x 50 mm, pure white / RAL 9010, - lockable, - single key locking, - IP 44 with closed cover, - with labelling field