The self-locking mechanism is triggered when the door is closed by an additional control latch which when pressed in, automatically pre-locks the lock bolt. The function of the control latch is coupled with the position of the latch bolt. This means that
Wooden/steel door version with panic function
The security lock with handle control 709X is used especially in situations where the advantages of handle-controlled unlocking have to be combined with the mechanical security requirements of the above-mentioned lock models 309X and 409X. The integrated monitoring contacts are able to query essential locking statuses.
The bolt is forced back by the engaged external handle and the double action latch is no longer blocked. When the door is closed, the control latch together with the pre-tensioned cross control ensures that the bolt is fully extended and the double action latch blocked which improves the level of security obtained.
The panic side settings and selecting between fail-locked and fail-unlocked can be performed on the lock as required.
Overview of Advantages
• Mechanical automatic locking system
• Mechanical follow up control between double action latch and control latch
• With double action latch
• Panic side can be switched
• Can be changed between fail-unlocked & fail-locked
• Burglary-resistant due to solid bolt with 20 mm throw
• Panic function – approval in accordance with EN 179 – approval in accordance with EN 1125
• Suitable for fire doors
• Controllable external handle
• Changeover function for unlocking with a key from the outside
• Monitoring functions