Lock case with an automatically deadlocking latchbolt. The latchbolt is deadlocked when both triggering bolt and latchbolt are retained inside the lock case. Deadlocking is controlled by a snib in the front plate. The lock cases fitted with at feature to prevent unauthorized use of te snib. The snib can be moved by turning first the key or thumbturn. The lock has no lever handle operation. Snib position: UP = Deadlocking, latchbolt protrudes 21 mm. The lock can be opened only with a key or a thumbturn. DOWN = Latchbolt is retained inside the lock case. LC195X is the microswitch version of the lock. The switch changes it’s status when the bolt protrudes 21 mm. Following striker plates are recommended to be used with a microswitch locking box: 4692, 4693. Striker plate: 4690, 4691, LP711, LP714, LP721, LP731 Cylinder: ABLOY® C, N, T, U Mortise standard: OneFit mortise