Self-locking multi-point locking system with integrated latch blocking, control of the latch retraction, and panic function. Designed for use in entrance doors of houses and apartments as well as in commercial buildings. Operated from the outside via the cylinder or in conjunction with an electronic fitting using identification systems such as badges, biometrics, or a building management system. The DIN L+R reversible comfort latch ensures quiet retraction of the latch and a smooth engagement into the strike plate. With its robust construction, hardened main bolt, and two hardened additional bolt locks, door systems can be built up to resistance class RC3. The lock is approved for fire resistance and smoke protection tests according to EN 1634. Compatible with a wide range of Glutz fittings.