Keylock switch
Standard lock (Index D). Standard lock number is 311. If the lock
number is not specified, we will supply standard number 311.
An additional 134 special locks (Index X) are available on request.
Master keys for lock numbers 311 ... 445 may be ordered by quoting
Typ-Nr. 31-989.300. Two keys are supplied with each keylock switch.
Spare keys (Index D) for standard locks may be ordered by quoting Typ-
Nr. 31-989.xxx (please state the lock number).