The latchbolt is deadlocked when both triggering bolt and latchbolt are inside the lock case. The latchbolt protrudes to 21 mm when the door is closed. The lock has no lever handle operation. The bolt is opened with either a key or a thumbturn.
The lock case works with the 4690, 4691, LP711, and LP714 striker plates (Recommended: 4692 and 4693 for the LC194X).
Fire resistance: solid doors EI1 15 - EI1 30 and EI2 15 - EI2 30, Metal doors EI1 15 - EI1 120 and EI2 15 - EI2 120
Mortice standard: OneFit.
