Abloy EL561 electric lockAbloy EL561 Euro Profile, handle controlled Electric Lock Both internal and external handles are activated by an input from the access control device that it is linked to. Designed for "Read in Read out" access control applications. The lock can be set to Fail Safe or Fail Secure. This lock has key override facility. For escape compliance this lock can be installed with an emergency break glass thumb turn. Size options available from stock are: 55mm,