Lock case with an automatically deadlocking latchbolt. The latchbolt is deadlocked when both triggering bolt and latchbolt are retained 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. LC194X 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, Cylinder: ABLOY® C, N, T, U Fire resistance: Wooden doors EI115 - EI130 and EI215 – EI230, Metal doors EI115 - EI11120 and EI215 – EI2120 Mortise standard: OneFit mortise