Mechanical security lock 309 with B function, without panic function

60 mm, 20 mm face plate, without panic function, profile cylinder, DIN L

  • ArtNo: 309MB4-72B60--4

Product description

  • 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.

Overview of Advantages

  • Mechanical automatic locking system
  • Mechanical automatic locking process control between latch and control latch
  • Burglary-resistant thanks to solid, hardened lock bolt with 20 mm throw
  • Burglary resistance up to resistance class 2 can be achieved 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.

Scope of delivery

  • 1 x mechanical security lock
  • 1 x Operating instructions
Technical data
DIN directionLeft
Dead bolt featuresHardened steel surface, 60 HRC
Distance74 mm
Bolt throw20 mm
Follower9 mm
Panic functionNo
Pressure resistance requirementsClass 3 according to DIN 18251-1
Minimum load capacity of latch bolt3 kN
Minimum load capacity of bolt6 kN
Backset60 mm
Bolt counterpressure2 kN
Width face plate20 mm
Faceplate dimensions235 x 20 x 3 mm