Lock case 621 Application Lock case for interior doors, class rooms, offices and technical areas etc. where quick and convenient exiting are important. Features Available with backset 35 and 50 mm. With cylinder, deadlocking and lever latch. Automatic deadlocking of cylinder latch at 14 mm extraction and depressed deadlocking latch. Available with a built-in microswitch. Cylinder latch can be locked in. Handing of the latches is reversible. Lever latch of hardened steel for fire-rated doors. Can be combined with electric strikes. Function Outside: Cylinder, deadlocking and lever latch are retracted with the key. Lever latch is retracted with the lever handle. Inside: Cylinder deadlocking and lever latch are retracted with the lever handle. Cylinder latch is locked back with a token key. Ordering Options 357677433057 LOCK CASE 621-35 MC RH/OUT 357677435057 LOCK CASE 621-35 MC LH/IN 357873435057 LOCK CASE 621-35 MC LH/OUT 357873433057 LOCK CASE 621-35 MC RH/IN 357678163057 LOCK CASE 621-50 RH/OUT 357678433057 LOCK CASE 621-50 MC RH/OUT 357678165057 LOCK CASE 621-50 LH/IN 357678435057 LOCK CASE 621-50 MC LH/IN 357874165057 LOCK CASE 621-50 LH/OUT 357874435057 LOCK CASE 621-50 MC LH/OUT 357874163057 LOCK CASE 621-50 RH/IN 357874433057 LOCK CASE 621-50 MC RH/IN Close Lock case 624Lock case for interior doors, class rooms, offices and te… Lock case 620Lock case for interior doors, class rooms, offices and te… Lock case 622Lock case for interior doors, class rooms, offices and te… 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!