Automatically deadlocking lock for narrow profile doors. Function is determined by sliding snib on forend: UP position = automatic deadlocking. Opened by a key from either side, or by a thumbturn from inside. MIDDLE position = lock is latched and operates also with handles. DOWN position = latchbolt is retained inside the lock case. Sliding snib is released only when turning the key (or thumbturn). LC302X is the microswitch version of the lock. The switch changes it’s status when the latchbolt protrudes 9 mm or more. Striker plate 4613, 4614, LP702, LP703 Cylinder ABLOY. C, N, T, U, SCAND