Auto-Locking Nightlatch - Secondary Barricade

Latch can be "held-back" by a reverse turn of the key allowing the lock to be used as "free passage" function

• Secondary  mechanism to unlock door in event of blocked keyway, snapped key or failed cylinder
• In normal operation latch is withdrawn by turn handle from inside and by cylinder outside
• Available for doors up to 62mm thick
• Suitable for single or double doors
• Single cylinder must be ordered seperately to suit door thickness
• For double action or corridor doors please contact us for further information
• Key always dominates the internal handle
• With anti-thrust feature