Self-locking multi-point locking system with integrated latch blocking, control of the locking sequence, and panic function. Designed for use in house and apartment entrance doors as well as in commercial buildings. Operated externally 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 latching 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.