ylinder lock case with a cylinder function for fire doors. The lock is opened by a key or a thumbturn. The non-deadlocking latchbolt protrudes 14 mm. The lock can also be used with electromechanical striker plates. Striker plate: 4690, 4691, LP711, LP714, LP721, LP731 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