Lock case 2500-50 Application ASSA Connect 2500-50 is a mechanical lock case for entrance doors in houses, flats and sheltered accommodation. Features Available with backset 50 mm. With hardened lever latch and hook bolt. To be ordered in left- or right high-version. Lock-back device for thumbturn in the forend. Equivalent to SS3522, publish 4 Class 5. CE-certified. Function Outside: The hook bolt is pushed out by the handle and interlocked with a 360 degree key-turn. The handle is locked. The hook bolt and lever latch are retracted with the handle after a 360 degree key-turn. Thumbturn function can be blocked by pressing the lock-back button, then the lock can not be opened without a key = away secure. By unlocking using a key, the thumbturn function is automatically activated = home convenient. Inside: The hook bolt is pushed out by the handle and interlocked by a thumbturn. (The thumbturn refers to long cover accessories adapted for 2002/2500). The hook bolt and lever latch are retracted with handle. The 2500 Series is designed to meet highest security requirements, for which a double cylinder is part of the specification. For this reason ASSA does not recommend using the thumbturn at the cylinder follower on the inside of the door.The hook bolt is pushed out of the handle and interlocked of knobs (adapted for 2002/2500). Do you want to create a safe lock environment? ASSA OEM has created "The lock guide by ASSA OEM", and it's made to give you knowledge and tips about approved lock sets. We really encouring poeple to read our tips and guidelines here: The lock guide Want to download our product catalogues? If you prefer to download our product catalogue - you can download it here! We also provide instructions, declarations and other documents in our download documents section.Check it out!