Mechanical security lock 309X with B function, without panic function

Face plate width 24 mm, continuous follower

Security lock 309M with B function is a self-locking lock without panic function, with a continuous follower and handle mechanically controllable on both sides. The inside and outside handle can be permanently engaged or disengaged via the cylinder.

Mechanical automatic locking
Mechanical automatic locking process control between latch and control latch
Burglary-resistant thanks to solid, hardened lock bolt with 20 mm throw
Intrusion resistance up to class WK2 achievable in suitable door systems
Suitable for fire doors, evidence of conformity in form of general appraisal certificate
Outside handle that can be controlled mechanically via cylinder actuation, for use with handle fitting with spindle full pin.

Dead bolt features	Hardened steel surface, 60 HRC
Distance	74 mm
Bolt throw	20 mm
Follower	9 mm
Panic function	No
Pressure resistance requirements	Class 3 according to DIN 18251-1
Minimum load capacity of latch bolt	3 kN
Minimum load capacity of bolt	6 kN
Bolt counterpressure	2 kN
Width face plate	24 mm
Backset	65 mm
Faceplate dimensions	235 x 24 x 3 mm

Order number	Backset	Width face plate
309MB4A72B65--4	65 mm	24 mm
309MB4A72B65--5	65 mm	24 mm